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AMC7820是一個(gè)完整的模擬監(jiān)控電路,包括一個(gè)8通道,12位模數(shù)轉(zhuǎn)換器(ADC),三個(gè)12位數(shù)模轉(zhuǎn)換器(DAC),9個(gè)運(yùn)算放大器,一個(gè)熱敏電阻電流源,一個(gè)內(nèi)部+ 2.5V基準(zhǔn)電壓源和一個(gè)SPI?串行接口。可以應(yīng)用外部參考。典型功耗為40mW。對(duì)于ADC,無(wú)緩沖模擬輸入范圍為0V至+ 5.0V,緩沖模擬共模輸入范圍為0V至+ 3.8V。對(duì)于DAC,模擬輸出范圍為0V至+ 2.5V或0V至+ 5.0V。
AMC7820非常適用于低功耗和小尺寸至關(guān)重要的多通道應(yīng)用。 AMC7820采用TQFP-48封裝,在-40°C至+ 85°C的溫度范圍內(nèi)完全指定和測(cè)試。
SPI是摩托羅拉的商標(biāo)。
ADC Input Channels (#) |
ADC Resolution (Bits) |
DAC Channels |
DAC: Resolution (Bits) |
Temperature Sensing |
GPIOs |
Interface |
Special Function |
Operating Temperature Range (C) |
Package Group |
Package Size: mm2:W x L (PKG) |
ADC: Sampling Rate (KSPS) |
ADC: Analog Input Range (Min) (V) |
ADC: Analog Input Range (Max) (V) |
DAC: Settling Time (uS) |
DAC: Output Full Scale (Min) (V) |
DAC: Output Full Scale (Max) (V) |
Pin/Package |
AMC7820 | AMC7812 | AMC7812B | AMC7823 | AMC7891 | LMP92001 | LMP92018 |
---|---|---|---|---|---|---|
8 | 16 | 16 | 8 | 8 | 16 | 8 |
12 | 12 | 12 | 12 | 10 | 12 | 10 |
3 | 12 | 12 | 8 | 4 | 12 | 4 |
12 | 12 | 12 | 12 | 10 | 12 | 10 |
Remote |
Local Remote |
Local Remote |
Local Remote |
Local | Local | Local |
0 | 8 | 8 | 6 | 12 | 8 | 12 |
SPI |
SPI I2C |
I2C SPI |
SPI | SPI | I2C | SPI |
SDO | Temp Sensor | Temp Sensor | Current Source up to 10 mA | Temp Sensor | N/A | N/A |
-40 to 85 | -40 to 105 | -40 to 125 | -40 to 85 | -40 to 105 | -45 to 125 | -40 to 125 |
TQFP |
HTQFP VQFN |
HTQFP VQFN |
WQFN | VQFN | WQFN | |
48TQFP: 81 mm2: 9 x 9(TQFP) |
64HTQFP: 144 mm2: 12 x 12(HTQFP) 64VQFN: 81 mm2: 9 x 9(VQFN) |
64HTQFP: 144 mm2: 12 x 12(HTQFP) 64VQFN: 81 mm2: 9 x 9(VQFN) |
40WQFN: 36 mm2: 6 x 6(WQFN) | 36VQFN: 36 mm2: 6 x 6(VQFN) | 54WQFN: 55 mm2: 5.5 x 10(WQFN) | |
100 | 500 | 500 | 200 | 500 | 100 | 500 |
0 | -5 | -5 | 0 | 0 | 0 | 0 |
5 | 5 | 5 | 5 | 5 | 5 | 5 |
3 | 2 | 2 | 2 | 3 | 8.5 | 20 |
0 | 0 | 0 | 0 | 0 | 0 | 0 |
2.5 5.0 |
12.5 | 12.5 | 5 | 5 | 5 | 5 |
48TQFP |
64HTQFP 64VQFN |
64HTQFP 64VQFN |
40WQFN | 36VQFN | 54WQFN | |