圣邦微电子4通道电源电压监测芯片SGM860，具有可编程延迟和看门狗计时器

时间： 2024-06-22 来源：SGMICRO（圣邦微电子公众号）

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圣邦微电子推出4通道电源电压监测芯片 SGM860，其可在0.35%（典型值）的阈值精度下监控4个高于0.4V的电压轨和1个低于0.4V的电压轨，也可以通过外部电阻器对各个电压监测器的阈值进行编程。此外，每路电压监测器都具有可编程延时功能，可以独立设置nRESETx释放的延迟时间，允许设置的范围为1.45ms至10s。该器件内置看门狗并具有手动复位功能，当用户需要对微处理器进行复位时，可通过nMR引脚完全控制系统复位，而非仅通过低电源电压触发。SGM860适用于除了需要使用看门狗监控功能外，还需要监控多条电源轨的应用。芯片采用符合环保理念的TQFN-4×4-20BL绿色封装，工作温度范围在-40℃至+125℃。

图 1 SGM860A典型应用电路

SGM860典型特性

●支持1.8V至6.5V电源供电；

●4个相互独立的电压监控器：

通道1：低至0.4V的可调节阈值；手动复位输入nMR；集成看门狗计时器；

通道2/3：低至0.4V的可调节阈值；

通道4：窗口比较器；可调节的正电压或负电压阈值；

●可编程nRESETx释放的延迟时间：1.45ms至10s；

●阈值精度：0.35%（典型值）；

●超低静态电流：6µA（典型值）；

●输出结构选择：

SGM860A：漏极开路nRESETx和nWDO；

SGM860B：推挽输出nRESETx和nWDO；

●采用符合环保理念的 TQFN-4×4-20BL绿色封装。

SGM860 核心特点

1. 电压监测功能

SGM860可通过SENSEy（y=1，2，3，4L，4H）引脚监控4个高于0.4V的电压轨，也可通过外部电阻器对各个电压监测器的阈值进行编程。其中，SENSE4H引脚也可搭配VREF引脚来对负电压轨进行监测。如图2所示，V_{MON_4,NEG}表示负监测电压，V_{MON_4,POS}表示正监测电压。电阻分压器以V_REF（1.2V输出）为基准，取代了在正通道中使用的接地端基准，因此可以进行负电压监测。此外，每路SVS（Supply Voltage Supervisor）都可通过相应的CTx（x = 1，2，3，4）来设置nRESETx释放的延迟时间，允许设置的时间范围为1.45ms至10s。

图 2 SVS-4负压监测电路

2. 看门狗功能

SVS-1集成了看门狗的功能，看门狗通常用于安全因素至关重要的应用或处理器监控。如果微处理器在一段时间内未处于活动状态，则需要复位，这项功能可防止系统继续运行。当nRESET1释放后，看门狗计时器开始计时，WDI输入信号的逻辑翻转可复位看门狗计时器并重新计时。如果在特定时间范围内（630ms典型值）芯片未检测到WDI的逻辑翻转，则看门狗的输出nWDO复位。且nWDO一直处于复位状态直到nRESET1被触发复位。看门狗计时器的时序图如图3所示。

图 3 看门狗计时器时序图

SGM860应用案例

在工厂自动化应用以及大多数工业应用中，需要使用多个电源轨来为内部的各种子系统供电。DSP、CPU或FPGA都要求电源具有非常小的容差，否则器件无法正常工作；另外，软件或代码故障也会导致DSP、CPU或FPGA发生闩锁而无法按照预期工作。因此需要一个电压监控解决方案，至少需要监控主电源轨、DSP、CPU和FPGA的内核电压轨及DSP、CPU和FPGA的活动状态，以便在电源超出范围时或者软件故障时关闭系统。SGM860均可满足以上监测要求，其典型应用电路如图4所示。

图 4 SGM860A应用于工厂自动化系统的典型电路

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本文由ll转载自SGMICRO（圣邦微电子公众号），原文标题为:具有可编程延迟和看门狗计时器的 4 通道电源电压监测芯片 SGM860，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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描述- SGMICRO specializes in high-performance and high-quality analog and mixed-signal integrated circuits, and is committed to building a comprehensive portfolio of the highest quality analog and mixed-signal integrated circuits to address all customer needs.

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2024/6/11 - SGMICRO - 选型指南代理服务技术支持采购服务

SGMicro（圣邦微）-TI/ADI/ON产品对照表

型号- OPA335,OPA698,SGM8273-1AXN5,OPA2364,OPA330,SGM8955XN5G/TR,AD8605ARTZ,SGM724,LMV821M7 NOPB,SGM8199A3XC6G/TR,OPA2357,SGM80582XS8G,OPA2355,OPA2354,SN74LVC1G08DCKR,TPS61240,SGM8261-2,74LVC1G32GW,LMP2021MF/NOPB,AD8531ART,LM7301IM5 NOPB,OPA2350,SGM8094,MC33272ADR2G,SGM8091,SGM8092,SGM8093,SGM722,ADTL084,TLV3542,OPA376AIDCKR,TLV3541,LMC7660,SGM810-SXN3/TR,NCV33274ADR2G,OPA2170AIDGKR,AD8629ARMZ-REEL,SGM809-SXN3/TR,OPA364IDBVR,SN74LV4051,SGM8557-1XN5,TS321IDBVR,SGM8270-2XS8G/TR,TLV3544,SN74LVC1G00DCKR,IMP809T,IMP809S,IMP809M,SGM8770XS8G/TR,SGM8416-1,SGM8957-1XN5G/TR,SGM8416-2,TLV271IDBVR,ADM708SARZ,SGM8271BYN5G/TR,TPS73433DDCR,SGM809-RXN3L/TR,AF809N293MR-3,AD8091,SGM7SZ125YC5G/TR,SGM58031,AD8094,AD8093,AD8092,SGM8273-2,LT1797CS5#TRMPBF,SN74AHCT1G125D,SGM8273-4,OPA2365,SGM8273-1,SGM809-XXN3/TR,AME8500AEETAF31Z,74AVCH8T245PW,OPA376,SGM8557-3,LMV321IDBVR,SGM8557-1,SGM8557-2,LMH6611MKX/NOPB,SGM7SZ00YN5G/TR,SGM809-SXN3L/TR,AD8062,AD8061,SGM721XS/TR,OPA330AIDBVR,AD8063,SGM42609,AME8500AEETAF44Z,PT7M7810STEX,SGM7SZ08YN5G/TR,SGM8541XN5/TR,INA214B,SGM7SZ04YC5G/TR,LM358,SGM8957-2XMS8G/TR,TXB0104RUTR,NCS20074DTBR2G,SN74LVC1G3157DCKR,LMV324,TL343,OPA3355,SGM8270-2,SGM8270-4,OPA357,OPA2188,OPA354,OPA355,SGM61230,SGM8558-1,SGM8301YN5,NCS199A2SQT2G,OPA350,OPA4357,SGM8T245XTS24G/TR,OPA2171,OPA4354,SGM2205-3.3XKC3G/TR,SGM8210-1AXN5G/TR,OPA365,OPA4350,TSV321RILT,TLV4333,TL082IDR,AD8051,AD8055,AD8054,AD8053,LMV934MTX/NOPB,AD8052,LMV824DR2G,SGM721XN5/TR,SGM8255A-1XN5G/TR,SGM8274YTS14G/TR,SGM2040-3.3YUDH4G/TR,MC33202,UA78M33CKCS,LMV358,SN74LVC1G32DCKRE4,SGM2036-3.3YN5G/TR,OPA4170AIDR,SGM8557-1AXN5G,SGM8622XMS/TR,LP2980,MC33179DR2G,SGM809-1.63V,SGM8255A-2XS8G/TR,SGM8551XN5,TLV2171,SGM8740YN5,SGM8273-2XS,LM393,SGM8632C,SGM8273-1AXN5G/TR,ADM706SARZ,LMV822MMX/NOPB,ISL28290FBZ-T7,AD8615_6,TLV274IPWR,AD8666ARMZ-REEL,OPA172IDBVR,SGM8965,MC33178DR2G,SGM8604,MCP6004T-E/ST,TLC2272,LM258,SGM7SZ245XTS20G/TR,LMV393,TL082,SGM8965-2,SGM8965-1,INA199A1DCKR,MCP6561T-E/OT,SGM8957,SGM8959,SGM8955,OPA2320,TPS54218ARTE,LM2904,AD8614ARTZ-R2,SGM3749YTDI6G/TR,SGM811-SXKA4/TR,TPS61165,OPA2171AIDGKR,SGM4564YUQN12G/TR,LMC6482AIMX NOPB,TPS61160,SGMOP07EXS8G/TR,SGM8557-2XS8G/TR,MAX4239,SGM7SZ08YC5G/TR,SGM3157YC6/TR,TS321ILT,OPA2301,SGM8210-2XMS8G/TR,SN74LVC1G14DBVRG4,VIC5111-293BDI,TPS54202,SGM8552XMS8G/TR,TSZ122IST,ISL28177,STR8293-263BSI,OPA2335,TLV272IDGKR,MC74HC1G04DFT2G,OPA365AIDBVR,SGM8425AYN5G/TR,SGM8557-1AXN5G/TR,SGM8631,SGM8632,SGM8554XTS14G/TR,LSP2200CALS,AP7335-33WG-7,SGM7SZ14YC5G/TR,LM358AN NOPB,LSP2200CALR,SGM8634,NC7SZ08P5X,INA199B1DCKR,AD8538,TLV3201AIDBVR,SN74AVC2T244DQ,SGM8542,SGM8301,SGM8544,SGM8302,SGM8199A1XC6G/TR,INA199A3DCKR,SGM809-TXN3/TR,SGM8304,SGM8428,AD8668,NCS333SN2T1G,SGM8555-1XN5,SGM8631XN5/TR,SGM8959-1,SGM4556YXDO8G/TR,MC33272,SGM8652,SGM8199A2XC6G,SGM8653,TLV62565DBV,SGM8654,SGM8959-1XN5G/TR,SGM8655,125,SGM8770,NCS20072DR2G,SGM8651,AD8552,SGM8538,LMV824IPT,SN74AHCT245DWR,TLC272,TL064IDT,TLE2021,TLE2142,SGM8199A2,NCS2333DR2G,PT7M7809S,TP5552,SGM41298,SGM6011,LM7321MF/NOPB,SGM8210-2XS8G,SGM8556,SGM8957-2XS8G/TR,SGM2558BYS8G/TR,SGM8552,ISL28133FHZ-T7,OPA340UA,MAX9617AXT+T,SGM8557,SGM8558,IMP811SEUS-T,MCP664,MCP662,SGM6605-5.0YN6G/TR,ADN8834,INA199A2DCKR,NCV33274ADTBR2G,MCP661,SGM3209YS8G/TR,INA199B2DCKR,MC33074ADTBR2G,SGM8199A3XC6G,SN74LVC2244APWR,LM7322MME/NOPB,NL17SZ08DFT2G,MC33078,MCP651,MCP652,AD8628,OPA376AIDBVR,SGM8255-4XS14G/TR,SN74LVC1G125DC,ADA4891-1,LMV342MM NOPB,ADA4891-2,LMV710M5 NOPB,SN74AHC1G14DBVR,AD8510,NCS199A1SQT2G,SN74AVC8T245PWR,AD823,OPA4330AIPWR,74LVC1G08GW,TPH2502,TPH2501,TPH2504,ADA4891-4,LM2903MX,AD8605ARTZ-REEL7,AD8602,SGM8295-4XS14G/TR,AD8605,OPA4277UA,MC33172,SGM7SZ32YC5G/TR,LMC7101QM5/NOPB,SN74LVC1G14DCKR,SGM8210-1,SGM8210-2,TSZ121ILT,AIC809-29,TLV2333IDR,LMV611MF/NOPB,SGM8199A2XC6G/TR,SGM8740YN5G/TR,SGM8632CXMS8G/TR,NC7S04P5X,SGM8271AYN5G/TR,LM3526,OPA2197,SGM8958-1XC5G/TR,AD8665ARJZ-REEL,SGM7SZ244,SGM321,TLV2314IDGKR,SGM8251XS8G/TR,LM258DR2G,TPS61410,SGM8294YTS14G/TR,STR8210-293BSI,SGM80584,SGM8273-2XS8G/TR,AME8500AEETAF26Z,OPA177GS/2K5,LM4871,SGM8252A,SGM809-RXN3/TR,LMV824MX NOPB,SGM7SZ14YN5G/TR,TS507IYLT,SGM8270,LMH6643,SGM8271,LMH6644,SGM8273,LMH6642,MP2459,SGM3749YTN6G/TR,SGM80581,SGM80582,SGM8581XN5G/TR,TS321AILT,LMV822,SGM706B,TLV2372IDGKR,LMV722MMX-NOPB,NJM3403AV,ISL28130CHZ-T7,SN74LVC1G08DBVR,SGM8061,SGM8062,SGM8063,TP2412,SGM4871YS8/TR,OPA2171AIDR,LF353DR,LMV710,TLV333,SGM809-MXN3/TR,LM293ADR,PT7M7809STEX,SGM8965-1XN5G/TR,SGM8051,SGM8052,SGM8295,SGM8053,TPS72733,SGM8054,LMV842,AME8500AEETAF29Z,SGM8055,DRV8837DSGR,SGM708B,SGM8199A1XC6G,SN74AHC1G00DBVR,CY74FCT2245CTQ,SGM8965-1XN5,TS5A3157,MCP6004T-I/SL,SGM2300-ADJYN5G/TR,SGM48751YTS16G/TR,LMC7101AIM5 NOPB,ADA4807-1,LMP2022MAX/NOPB,TLV9062,CY74FCT2244ATQ,LMP7715MFX/NOPB,ADS1115,NCS20081SN2T1G

SGMICRO - 对照表代理服务技术支持采购服务

SGMICRO-TI/ADI/MAXIM/MPS/SILERGY/ST等信号链电源芯片对照表

描述- 圣邦微SGMICRO与TI/ADI/MAXIM/LT/Onsemi/ST/Microchip/Nexperia/MPS/TOSHIBA/ROHM/RICHTEK/SILERGY/ABLIC/Renesas/Diodes/NXP/NJM/Infineon/Allegro 等品牌的信号链、电源芯对照表。

型号- SY8388,SN74HC541,A3981,IR44273,74AVC8T245Q,TS3A24159,TS3A24157,FAN3100,SLG88103,ADA4622-2,SLG88104,ADA4622-1,SGM2560,NA199,SGM2564,TSL6002,LMR23620,SGM48017C,LM431,FAN49103,MAX4282,SGM61220,BD9A201,74HC595,TLV3542,TLV3541,TS3A4751,TLV522,LMR23630,FAN53611,TC7SZ14FU,74LCX04,NCS21803,HCF4051,NCS21801,HCF4052,74LCX08,HCF4053,TSC214I,TLV3544,LMP2022,TSB611,NL27WZ04,SGM2588,FAN53601,SN74HC573,SN74HC574,INA333,TSU101,TSC213I,TSU102,NTMFS4C10N,UCC27531-Q1,TSU104,RT8293,74HC573,74HC574,SGM621,RT8290,SGM41600,TSB621,SGM620,SGM2572,SGM41603,SGM2571,SGM2576,SGM2575,SGM2578,SGM8T245S,RT8296,NL17SG07,SGM8557-1,TSU111,SGM8557-2,TSU112,ESD103-B1-02,INA321,TLV2242,TLV2241,SGM2205-12XK3G,ISL28118,OPA2277,BU30TD2,LM5109,BQ25619,SGM48013C,BQ25618,INA317,BQ25611,SGM62110,SGM62112,FSA4157,TPS76933,SGM2593,XB6091IS,BQ25601,TPS76950,BQ25600,SGM61230,TXS0104,TXS0102,SGM61232,SGM61234,TLV8801,TXS0101,SGM61233,74HC123,SGM5349-16,TLV62084,SGM431V,LTC2054,TPS51200,LTC2050,TLV8812,TLV8811,SGM61235,TLV8802,RT8253,BD9D323,BD9D322,AD5541,PMPB27EP,TPS54302,SGM4553YXET,LM7322,SGM8706,LM7321,SGM8707,SGM8701,MAX4664,LPV7215,SGM12UB1D2,AP2191,SGM3001,SGM42513,74LVC245A,SGM3005,TPS61099,SGM3002,SGM8276-2,TPS7A8300,SGMOP17C,TPS2553,ISL28130,TPS2556,TPS2557,SGM42403Q,SGM42553,BD6222,SGM8255B-2,ISL28134,74AHC1G08GV,TPS2551,74HC165,SGM62116,SGM62118,SGM62117,TPS3852-Q1,MAX4684,74HC164,AP2172,A3916,AP2171,TPS560430,A3918,BQ25638,SGM8709,U74LVC126,MP8676,SGM61280,MCP6V16,SGM42544,NCP718,LMX331,LMR36520,LM27761,TC7SZ32FU,SN74LVTH162373,ADM708,ADM707,SGM38042,SGM38046,TPS54340,MAX4230,TPS3823,LM2904,TC74VHC138,LM2902,LM2903,SGM8740,SGM2077A,SGM8742,SGM2077B,SGM8743,PESD5V0F1BSF,SGM41515A,MIC5209,LPV802,LPV801,SGM8748,SGM8749,NLAS44599,TPS54336,SGM40666A,SGM8746,TC74VCX16245,TPS54331,74LCX32,TPS54335,SGM41513D,SGM41513A,MCP6406,FTL75939,OPA548,SGM8957-1,MCP6402,SGM8957-2,TLV6208,SGM5223,MAX4232,TC74LCX16244,MAX4231,TPS3808,SN74LVC2T45,OPA2333P,MAX4236,SGM8551XN,TPS3840,TPS54320,SGM48018C,OPA990,RT4730,SGM41512A,SGM8745X,SN74AHC1,MAX9938,74LVTN16244,74LVTN16245,LPV821,SGM48019C,MCP6V52,MCP6V51,RT4723,OPA2210,TLV755P,SN74AC244,MCP6V54,AW2027,SGM8604-2XTDU8G,SGM8750,LPV812,LPV811,AD8534,SGM41283,SGM5353-16,AP2120,AD8539,AD8538,74LVC125,MCP6V69,74LVC126,SGM41285,DRV8313,MCP6V67,SN74LVC2G66,SGM7SZ244S,CAT4104,TS321,SGM8429C-4,AD5593R,SGM61430A,MP28373,MP5121,TMP108,74LVT16373,SGM8304,MAX40078,AD8541,74LVT16374,MCP6442,TMP103,TMP102,MP9943,MP9942,AP2112,MCP6V79,NCV890100,SGM13003A,MCP6V76,STSPIN250,MCP6V77,74LVTH125,SGM8770,AP2114,SGM38042B-1,LM2841,AD8513,AD621,AD620,NCS20034,SGM65230,NCS20032,AD623,AD8515,SGM65231,AD627,TC7SPN334,SGM13002A,SGM8477-1,SGM2035C,SGM41291,SGM2036S,MCP6V96,TUSB320,74LVC138,SGM7SZ245S,SGM8958-2,SGM41296,SN74CBT3245,MP9928,SGM41298,SGM8958-1,SGM6132,MAX4736,SGM6130,AD8532,AD8531,MAX4730,TPS3422,SGM833A,MCP6472,SGM833B,TLV1702,SGM7SZ32,SQ27403,MC74LVC74,TPS3420,TPS3421,TP2011,SGM2037H,MUX36S08,BISS0002,MC74AHC08,74LVC373A,TPS2595XXDSG,MCP6001,TPS3895,AD8502,TPS3896,TPS3897,AD8500,MCP6002,TPS3898,AP2151,SGM41282C,TPS3899,AD8506,AD8505,TLV7021,SGM832A,TP2025,MC33074,TP2021,MCP6004,MCP6006,LT7183,74LVC374A,AP2141,SN74LVC2G04,MCP6492,74LVC1G126,74LVC1G125,SGM48535B,SGM7SZ14,SGM48535A,SGM48752X,TPS2596,BU28TD2WNVX,AS179,XC6201,SGM15CB1A4,XC6206,TC7WZ04,SN74LVC2G14,MCP6022,SGM2210P,SGM7SZ08,MCP6024,SGM834A,SN74LVC2G17,MCP6021,SGM834B,SGM7SZ04,MP2497,SGM7SZ00,IRL44273LPBF,SGM48753X,SGM48754X,AD5592R,TLV61046A,TPS7A8400,SGM48753,SY8301,SGM48754,SQ24335,SGM2211S,SGM48757,ISL21080,SGM48759,SY8303,MCP6032,MCP6031,SGM48751,SGM48752,SGMNQ07430,SGM61720,TSV911,TSV912,TSV914,SN74AVC16T245,MP2490,SGM05UB1B3,LPV324,OPA4379,OPA4374,HD3SS3412,MCP6044,OPA4376,OPA2192,MCP6041,74VHC244,LMR16030,74AHCT595,APD7118,OPA2197,TPS62730,MCP6042,OPA2196,SN74AVC8T245,SN74LVC157,OPA2191,ADG509,ADG508,SGM8478-1C,FSA2457,TMUX415,TC7SZ00,LM1117,AD8599,TPS62743,TSV6192,SN74LVC125,SGM706S,SN74LVC126,RT6160,TPS76901,TC7SZ07,SGM2564A,TLV707P,NTMFS4C06N,MP2451,TS393,LMH6643,TC74VCX164245,SN74LVC138,SGM48760,SGM25662,MIC708,MCP6061,MP2460,LME49726,RT6150,MIC706,SN74AHCT86,MCP6074,TC7SH125F,STSPIN220,APD196,SGMOP07,74HC541,TC7SET08,LMC7211,BQ25890H,MAX706,MAX9119,MAX708,MCP6071,SGM2566C,74AHC573D,TC7SZ32,BU33TD2,74LVC157,YDA145,BD9G341,SGM2567S,NJMOP2277,INA828,LPV358,NCP382,NE5532,SGM2217Q,LMG1025-Q1,NCV6324,SGMNQ40430,NCV6334,SGM48536BQ,SGM21102G,74AHCT86,BGA524N6,SGM21102C,FSA2466,SGM21102B,INA818,SGM21102A,SGM05FB1E2,SN74AHC244,TLV74118,TC7SZ32F,NC7WZ04,74AVC8T245BQ,TSV991,TSV992,TSV994,SGM3851A,SGM48536CQ,TC913,74AHC244,AD8571,74AVC2T45,SGM2521A,TLV74128,SN74LVC541,AZ1117,LMV881,BU28TD2,MAX14589,TLV2316,SGM61330,SGM724,TS5V330,SGM5209-14,74LV541A,SGM3758,NJU7076,MAX4163,MAX4162,PESD15VW1BCSF,TLV74133,TPS25921A,OP213,TLV74130,SGM722,TLV2333,SGM723,SGM721,SGM8610-2,NLAS3899,OPA2140,EL5420,MAX4174,MAX4173,SGM15UB1E2,TC7SH126FU,SGM41100A,SGM61310,SKY13351,A4980,SGM41100V,SGM61306,SGM61305,SGM61308,SGM61307,SGM8262-2,TC7PZ14,SGM3795,74LCX126,74LCX125,74LVC541A,SGM3799,SA4159

对照表 - SGMICRO

圣邦微在光模块中应用的相关产品，涵盖TEC/APD/EML驱动、高性能运放、DCDC等｜视频

比较全面的展示了圣邦微在光模块中应用的相关产品，总的来说目前是有20--30个光模块相关产品。主要涵盖了TEC＼APD＼EML驱动这样的专用器件，高性能运放、电源相关LDO＼DCDC、负压，负载开关以及温度传感器等产品。

2023-11-17 - 新产品代理服务技术支持采购服务

SGMICRO放大器选型表

专用运算放大器，高输出电流400mA，低功耗1.1μA；高速运算放大器，500MHz增益带宽，高压摆率265V/μs；高精度运算放大器，失调电压低至5μV，低温漂0.011μV/℃；电流检测放大器，高共模电压105V，高共模抑制比140dB；低噪声运算放大器，低噪音1.6nV/√Hz，低失调电压8.5mV；微功耗运算放大器，最低功耗低至350nA，1\2\4路，轨至轨输入输出；低功耗运算放大器，功耗低至2.5μA，最大工作电压36V

选型表 - SGMICRO 立即选型

SGM860AXTUJ20G/TR PCBLib&Schlib&Intlib

型号- SGM860AXTUJ20G/TR

2024/7/31 - SGMICRO - CAD模型库代理服务技术支持采购服务

SGMICRO（圣邦微）ADC/DAC选型指南

型号- SGM51242R8,SGM5353-16,SGM8634C,SGM71612R82Z,SGM71612R81ZXG/TR,SGM51652H8,SGM58200,SGM61720,SGM5209-14,SGM58201,SGM71612R82,SGM51652H4,SGM42403,SGM452,SGM5347-12,SGM51652H4XTS38G/TR,SGM51652HXTS16G-S/TR,SGM58602,SGM71612R82M,SGM2048,SGM58600,SGM71612R81,SGM58601,SGM5347-10,SGM58031Q,SGM42402,SGM42401,SGM8T245XS,SGM71612R81Z,SGM48751X,SGM12UB1D2,SGM51652HX,SGM4029A,SGM6143X,SGM4573,SGM7SZ244,SGM8253,SGM2033,SGM51242R4,74LVC245A,SGM51652H4XTS38G-S/TR,SGMXXXXX,SGM51242R2,SGM58600XTRL20G/TR,SGM5351-16,SGM61030,SGM51622S8XLFH64G/TR,SGM4875XX,SGM58600XSS20G/TR,SGM25701,SGM8270,SGM51610S,SGM58601XSS28G/TR,SGM2050,SGM58031,SGM5200,SGM862,SGM71612R8XX,SGM6130X,SGM2054,SGM860,SGM8277,SGM,SGM51622H,SGM204X,SGM2059,SGM51622D,SGM51610C,SGM89XB,SGM5202-14,74AHC14,SGM61410,SGM5353,SGM51613HXTS16G/TR,SGM71612R8,SGM51652HBXTS38G-S/TR,74AHC08,SGM61411,SGM5208-14,SGM8610,SGM51652H,SGM58601XTQK28GITR,SGM71612R81ZXTSG16G/TR,SGM51652D,SGM5348-10,SGM51652S8XLFH64G/TR,SGM5348-8,SGM5348-12,SGM5349,SGM5355-16,GRM2030,SGM51613HXTQE16G/TR,SGM823,SGM61630,SGM71612R81ZXTS16G/TR,SGM51613H,SGM51622S8,SGM5349-16,SGM8249,SGM51613D,SGM8255B,SGM5860X,SGM5352-16,SGM05FB4D2,SGM4027A,SGM51652H8XTS38G/TR,SGM4551,SGM05FB8D2,SGM5200Q,SGM51652S8,SGM5347-8,SGM80XB

May 2024 - SGMICRO - 选型指南代理服务技术支持采购服务

【选型】高性能国产运算放大器SGM8602在高速光模块中的应用

随着5G、数据中心的快速发展，与之配套的高速光模块也获得了迅速发展，这些光模块一般包括用于骨干网、传输网、移动回传网、交换中心的高速线路侧和客户侧光模块，需要用到激光器发端、收端、主控器、DSP等器件，为了监测这些器件的工作状态，光模块的常用状态均需要上报到上位机。其中上位机检测光模块的状态重要的一项指标是更光信号强度指示信号，用来确定光模块输出光信号是否存在问题，比如常见光信号的LOS判断指示。

2019-03-13 - 器件选型代理服务技术支持采购服务

SGM860四通道电源电压监控器，集成可调延迟和看门狗定时器

描述- SGM860是一款四通道电源电压监控器，具有可调延迟和看门狗定时器功能。每个通道可以监控一个电源轨，并具有高阈值精度和低静态电流。产品适用于DSP、微控制器、FPGA和ASIC等应用，以及电信和无线基础设施、工业设备、模拟序列等领域。

型号- SGM860BXTUJ20G/TR,SGM860,SGM860AXTUJ20G/TR,SGM860A,SGM860B

JUNE 2024 - SGMICRO - 数据手册 - REV.A.1 代理服务技术支持采购服务查看更多版本

【应用】调顶25G MWDM光模块方案详解

调顶25G光模块目前有三个标准，分别为华为标准：270Khz调制波形，调频方式，误差最多2Khz；移动标准：1Khz调制波形，调幅，幅度1-5%；电信标准：10Khz调制波形，调幅，幅度1-5%。本文提供调顶25G MWDM 光模块方案框架，并对调顶中的重要部分作出说明。

2020-08-02 - 应用方案

【选型】小体积运放SGM8604助力光模块设计，具有高输出驱动能力等优势

目前光模块中的激光二极管多用EML或DML这两种，EML（电吸收调制激光器）更广泛应用于高速长距离传输的光模块。EML的驱动需要一个恒定的100mA左右的直流源，且光模块对器件体积有较高要求，因此本文推荐圣邦微推出的SGM8604系列运放，具有232mA的高输出驱动能力，采用小体积封装，且有仅10μV的输入失调电压以及低至17nV/℃的输入失调电压漂移，使器件的稳定性得到进一步提升。

2019-11-22 - 器件选型代理服务技术支持采购服务

SGM8605-1xUDL6G/TR PCBLIB&SCHLIB&INTLIB

型号- SGM8605-1XUDL6G/TR

2024/3/21 - SGMICRO - CAD模型库代理服务技术支持采购服务

【经验】镜像恒流源电路/集成运放恒流源电路的优劣势分析及器件推荐

目前光模块中的激光二极管多用EML或DML这两种，而EML输的光模块，EML的驱动需要一个恒定的直流源，实际测试中，若要EML正常工作，此恒流源需要100mA左右，因此本文讨论几种恒流源实现方案供客户参考，并且推荐使用圣邦微电子的运放SGM8604去构建集成运放恒流源电路。

2020-08-14 - 设计经验代理服务技术支持采购服务

SGM光模块/小基站应用解决方案 | ICT及5G通信专场世强硬创新产品研讨会

描述- 本资料主要介绍了SGM公司在光模块和小基站应用解决方案中的高性能模拟器件。内容包括DC偏置控制器、CDR、TEC驱动器、PD+TIA、ADP驱动器等，并详细描述了各器件的功能、特性和应用场景。此外，还推荐了Miniaturized OPA、LDO、Load switch、DCDC等小型化器件，以及APD偏置、TEC驱动、EML DC偏置等解决方案。

型号- SGM41285B,SGM41285A,SGM41282,SGM41283,SGM8604-X,MP3430,ADN8834,SGM8558-2,MAX15059,ADN8835,SGM41285,SGM2564,SGM2567,SGM2566,SGM8604-1,SGM8604,SGM41291,SGM8605-1,SGM66099,SGM41282C,MP8833,SGM41299,SGM41295,SGM41296,SGM41298,SGM6032,SGM6031,SGM6030,SGM2031,SGM874X,SGM660,SGM2036,SGM8558,SGM2567A

2021.3.31 - SGMICRO - 商品及供应商介绍代理服务技术支持采购服务