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MCP3919 Datasheet(PDF) 2 Page - Microchip Technology

Part # MCP3919
Description  3V Three-Channel Analog Front End
PDF  88 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP3919 Datasheet(HTML) 2 Page - Microchip Technology

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MCP3919
DS20005347A-page 2
 2014 Microchip Technology Inc.
Package Type
Functional Block Diagram
* Includes Exposed Thermal Pad (EP); see Table 3-1.
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-
NC
NC
NC
NC
NC
REFIN+/OUT
CH1-
CH1+
CH2+
CH2-
NC
DVDD
RESET/OSR0
SDI/OSR1
DGND
NC
DR/GAIN1
DGND
AGND
REFIN-
SDO
SCK/MCLK
CS/BOOST
OSC2/MODE
OSC1/CLKI/GAIN0
MCP3919
SSOP
2
26
3
4
5
6
10 11 12 13 14
18
17
16
15
28 27
25
CH1-
SDI/OSR1
SDO
EP
29
7
CH1+
CH2+
19
20
24
SCK/MCLK
23
CS/BOOST
OSC2/MODE
CH2-
22
OSC1/CLKI/GAIN0
1
8
9
NC
DGND
21
NC
NC
MCP3919
5x5 mm QFN*
AMCLK
DMCLK/DRCLK
REFIN+/OUT
REFIN-
POR
AVDD
Monitoring
Vref+
Vref-
VREFEXT
Voltage
Reference
Vref
+
-
Xtal Oscillator
MCLK
OSC1/CLK1/GAIN0
OSC2/MODE
Digital SPI
Interface
Clock
Generation
DMCLK
OSR<2:0>
PRE<1:0>
ANALOG
DIGITAL
SDO
SDI/OSR1
SCK/MCLR
DR/GAIN1
RESET/OSR0
CS/BOOST
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.
POR
DVDD
Monitoring



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