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AMC7820是一个完整的模拟监控电路,包括一个8通道,12位模数转换器(ADC),三个12位数模转换器(DAC),9个运算放大器,一个热敏电阻电流源,一个内部+ 2.5V基准电压源和一个SPI?串行接口。可以应用外部参考。典型功耗为40mW。对于ADC,无缓冲模拟输入范围为0V至+ 5.0V,缓冲模拟共模输入范围为0V至+ 3.8V。对于DAC,模拟输出范围为0V至+ 2.5V或0V至+ 5.0V。
AMC7820非常适用于低功耗和小尺寸至关重要的多通道应用。 AMC7820采用TQFP-48封装,在-40°C至+ 85°C的温度范围内完全指定和测试。
SPI是摩托罗拉的商标。
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 | |