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Компоненты Описание
MCP3903T-E/SS Просмотр технического описания (PDF) - Microchip Technology
Номер в каталоге
Компоненты Описание
производитель
MCP3903T-E/SS
Six Channel Delta Sigma A/D Converter
Microchip Technology
MCP3903T-E/SS Datasheet PDF : 54 Pages
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MCP3903
Functional Block Diagram
REFIN/OUT+
REFIN -
CH0+
CH0-
CH1+
CH1-
Voltage VREFEXT
Reference
+
-
V
REF
AV
DD
DV
DD
AMCLK
Clock
DMCLK/DRCLK
Generation
Xtal Oscillator
MCLK
OSC1
OSC2
V
REF
- V
REF
+ ANALOG DIGITAL
DMCLK
+
-
PGA
Δ
-
Σ
Modulator
SINC
3
DATA_CH0<23:0>
Φ
Phase PHASEA <7:0>
Shifter
OSR<1:0>
PRE<1:0>
DRA
+
-
PGA
Δ
-
Σ
Modulator
DUAL DS ADC
SINC
3
DATA_CH1<23:0>
CH2+
CH2-
CH3+
CH3-
+
-
PGA
Δ
-
Σ
Modulator
+
-
PGA
Δ
-
Σ
Modulator
DUAL DS ADC
SINC
3
DATA_CH2<23:0>
Φ
Phase
Shifter
PHASEB <7:0>
Digital SPI
Interface
DATA_CH3<23:0>
SINC
3
DRB
CH4+
CH4-
CH5+
CH5-
+
-
PGA
Δ
-
Σ
Modulator
+
-
PGA
Δ
-
Σ
Modulator
DUAL DS ADC
SINC
3
DATA_CH4<23:0>
Φ
Phase
Shifter
PHASEC <7:0>
DATA_CH5<23:0>
SINC
3
DRC
SDO
RESET
SDI
SCK
CS
POR
AV
DD
Monitoring
POR
AGND
DGND
DS25048B-page 2
©
2011 Microchip Technology Inc.
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