參數(shù)資料
型號(hào): MCP3911A0T-E/SS
廠商: Microchip Technology
文件頁(yè)數(shù): 10/17頁(yè)
文件大?。?/td> 0K
描述: IC AFE 24BIT 125KSPS 2CH 20-SSOP
標(biāo)準(zhǔn)包裝: 1,600
位數(shù): 24
通道數(shù): 2
電壓 - 電源,模擬: 2.7 V ~ 3.6 V
電壓 - 電源,數(shù)字: 2.7 V ~ 3.6 V
封裝/外殼: 20-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 20-SSOP
包裝: 帶卷 (TR)
MCP3911
DS22286A-page 2
2012 Microchip Technology Inc.
Functional block diagram
CH0+
CH0-
CH1+
CH1-
DUAL
Δ–Σ ADC
ANALOG
DIGITAL
SINC
3+
SINC
1
-
+
PGA
-
+
PGA
Δ–Σ
Modulator
AMCLK
DMCLK/DRCLK
Phase
Shifter
Φ
PHASE <11:0>
DATA_CH0
<23:0>
MOD<7:0>
REFIN+/OUT
REFIN-
AVDD
AGND
DGND
DVDD
MOD<3:0>
MOD<7:4>
POR
AVDD
Monitoring
Δ–Σ
Modulator
Vref+
Vref-
VREFEXT
Voltage
Reference
Vref
+
-
POR
DVDD
Monitoring
SDO
SDI
SCK
Xtal Oscillator
MCLK
OSC1
OSC2
DR
RESET
Digital SPI
Interface
Clock
Generation
Modulator
Output Block
MDAT1
MDAT0
DMCLK
OSR<2:0>
PRE<1:0>
MODOUT<1:0>
CS
+
OFFCAL_CH0
<23:0>
GAINCAL_CH0
<23:0>
X
+
OFFCAL_CH1
<23:0>
GAINCAL_CH1
<23:0>
X
DATA_CH1
<23:0>
SINC
3+
SINC
1
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