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MCP3912 Datenblatt(PDF) 2 Page - Microchip Technology

Teilenummer MCP3912
Bauteilbeschribung  3V Four-Channel Analog Front End
PDF  82 Pages
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Hersteller  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP3912 Datenblatt(HTML) 2 Page - Microchip Technology

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MCP3912
DS20005348A-page 2
 2014 Microchip Technology Inc.
Package Type
Functional Block Diagram
2
26
3
4
5
6
10 11 12 13 14
18
17
16
15
28 27
25
CH1-
SDI
SDO
EP
29
7
CH1+
CH2+
19
20
24
SCK
23
CS
OSC2
CH2-
22
OSC1/CLKI
1
8
9
NC
DGND
21
CH3-
CH3+
MCP3912
5x5 QFN*
* Includes Exposed Thermal Pad (EP); see Table 1-3.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
AVDD
CH0+
CH0-
CH3+
NC
NC
NC
NC
REFIN+/OUT
CH1-
CH1+
CH2+
CH2-
CH3-
DVDD
RESET
SDI
DGND
NC
DR
DGND
AGND
REFIN-
SDO
SCK
CS
OSC2
OSC1/CLKI
MCP3912
SSOP
AMCLK
DMCLK/DRCLK
REFIN+/OUT
REFIN-
POR
AVDD
Monitoring
Vref+
Vref-
VREFEXT
Voltage
Reference
Vref
+
-
Xtal Oscillator
MCLK
OSC1
OSC2
Digital SPI
Interface
Clock
Generation
DMCLK
OSR<2:0>
PRE<1:0>
ANALOG
DIGITAL
SDO
SDI
SCK
DR
RESET
CS
AGND
DGND
AVDD
DVDD
CH0+
CH0-
-
+
PGA
OSR/2-
PHASE1 <11:0>
MOD<3:0>
Modulator
+
OFFCAL_CH0
<23:0>
GAINCAL_CH0
<23:0>
X
DATA_CH0<23:0>
SINC
3+
SINC
1
Phase
Shifter
Offset
Cal.
Gain
Cal.
CH1+
CH1-
-
+
PGA
OSR/2
MOD<7:4>
Modulator
+
OFFCAL_CH1
<23:0>
GAINCAL_CH1
<23:0>
X
DATA_CH1<23:0>
SINC
3+
SINC
1
Phase
Shifter
Offset
Cal.
Gain
Cal.
CH2+
CH2-
-
+
PGA
OSR/2-
PHASE1 <23:12>
MOD<11:8>
Modulator
OFFCAL_CH2
<23:0>
GAINCAL_CH2
<23:0>
X
DATA_CH2<23:0>
SINC
3+
SINC
1
Phase
Shifter
Offset
Cal.
Gain
Cal.
CH3+
CH3-
-
+
PGA
OSR/2
MOD<15:12>
Modulator
OFFCAL_CH3
<23:0>
GAINCAL_CH3
<23:0>
X
DATA_CH3<23:0>
SINC
3+
SINC
1
Phase
Shifter
Offset
Cal.
Gain
Cal.
POR
DVDD
Monitoring



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