MCP3901T-I/SS Microchip Technology, MCP3901T-I/SS Datasheet - Page 2
![IC SPI INTERFACE DUAL-CH 20-SSOP](/photos/6/58/65895/150-20-ssop_sml.jpg)
MCP3901T-I/SS
Manufacturer Part Number
MCP3901T-I/SS
Description
IC SPI INTERFACE DUAL-CH 20-SSOP
Manufacturer
Microchip Technology
Specifications of MCP3901T-I/SS
Number Of Bits
24
Number Of Channels
2
Power (watts)
10mW
Voltage - Supply, Analog
4.5 V ~ 5.5 V
Voltage - Supply, Digital
2.7 V ~ 5.5 V
Package / Case
20-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
MCP3901
Functional Block Diagram
DS22192C-page 2
REFIN/OUT+
REFIN -
CH0+
CH1+
CH0-
CH1-
Monitoring
Reference
+
AV
-
Voltage
POR
DD
V
REF
VREFEXT
DUAL DS ADC
V
REF
+
-
+
-
PGA
PGA
-
V
REF
+
SDN<1:0>, RESET<1:0>, GAIN<7:0>
Modulator
Modulator
AGND
AV
Δ -Σ
Δ -Σ
ANALOG DIGITAL
DD
DGND
DV
SINC
SINC
DD
Φ
MOD<7:0>
3
3
POR
Shifter
Phase
DATA_CH0<23:0>
DATA_CH1<23:0>
DMCLK/DRCLK
PHASE <7:0>
AMCLK
DMCLK
Output Block
Generation
Digital SPI
Modulator
Interface
Clock
© 2010 Microchip Technology Inc.
MODOUT<1:0>
OSR<1:0>
PRE<1:0>
MCLK
Xtal Oscillator
OSC1
OSC2
DR
SDO
RESET
SDI
SCK
CS
MDAT0
MDAT1