MCP3903-I/SS Microchip Technology, MCP3903-I/SS Datasheet - Page 2

• Manufacturer Part Number: MCP3903-I/SS
• Description: IC AFE 24BIT 64KSPS 28SSOP
• Manufacturer: Microchip Technology
• Series: -r

Specifications of MCP3903-I/SS

• Featured Product: MCP3903 Six Channel ΔΣ A/D Converter
• Number Of Bits: 24
• Number Of Channels: 6
• Power (watts): -
• Voltage - Supply, Analog: 4.5 V ~ 5.5 V
• Voltage - Supply, Digital: 2.7 V ~ 3.6 V
• Package / Case: 28-SSOP (0.209", 5.30mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

MCP3903
Functional Block Diagram
DS25048B-page 2
REFIN/OUT+
REFIN -
CH0+
CH1+
CH2+
CH3+
CH4+
CH5+
CH0-
CH1-
CH2-
CH3-
CH4-
CH5-
Monitoring
Reference
+
POR
AV
Voltage
-
DD
V
REF
VREFEXT
DUAL DS ADC
DUAL DS ADC
DUAL DS ADC
V
REF
+
+
-
+
+
+
-
-
-
-
+
PGA
PGA
-
PGA
PGA
PGA
PGA
-
V
REF
AGND
+
Modulator
Modulator
Modulator
Modulator
Modulator
Modulator
AV
Δ -Σ
Δ -Σ
ANALOG DIGITAL
Δ -Σ
Δ -Σ
Δ -Σ
Δ -Σ
DD
DV
DGND
SINC
SINC
SINC
SINC
POR
SINC
SINC
DD
Φ
Φ
Φ
3
3
3
3
3
3
Shifter
Shifter
Phase
Phase
Shifter
Phase
DATA_CH0<23:0>
DATA_CH1<23:0>
DATA_CH2<23:0>
DATA_CH3<23:0>
DATA_CH4<23:0>
DATA_CH5<23:0>
DMCLK/DRCLK
PHASEA <7:0>
PHASEB <7:0>
PHASEC <7:0>
AMCLK
DMCLK
Generation
Digital SPI
Interface
Clock
© 2011 Microchip Technology Inc.
OSR<1:0>
PRE<1:0>
MCLK
Xtal Oscillator
OSC1
OSC2
DRA
SDO
RESET
SDI
SCK
CS
DRB
DRC