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MAX17823BGCV Datasheet(PDF) 11 Page - Maxim Integrated Products

Part # MAX17823BGCV
Description   12-Channel High-Voltage Data Acquisition System
PDF  121 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX17823BGCV Datasheet(HTML) 11 Page - Maxim Integrated Products

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________________________________________________________________________________________________________________________________________________________________
MAX17823B
12-Channel High-Voltage Data Acquisition System
www.maximintegrated.com
Maxim Integrated | 11
PIN
NAME
FUNCTION
DESCRIPTION
1
NC
NC
Not connected. Connect to ground or leave floating.
2
AGND
Ground
Analog ground. Connect to negative terminal of cell 1 and ground plane.
3
SHDNL
Input
Shutdown active low input. Drive >1.8V to enable operation and drive <0.6V to reset device
and place in shutdown mode. +72V tolerant. If not driven externally, this input may be
controlled solely via UART communication and software control. Bypass with a 1nF
capacitor to AGND. For single–ended UART, SHDNL must be driven externally.
4
AGND
Ground
Analog ground. Connect to negative terminal of cell 1 and ground plane.
5
VAA
Power
3.3V regulator output used to supply VDDL1, VDDL2, and VDDL3. Bypass with a 1µF
capacitor to ground.
6
TXUN
Output
Negative output for upper port transmitter. Driven between VDDL3 and GNDL3.
7
TXUP
Output
Positive output for upper port transmitter. Driven between VDDL3 and GNDL3.
8
GNDL1
Ground
Digital ground. Connect to ground plane.
9
VDDL1
Power
3.3V digital supply. Connect externally to VAA and bypass with 0.47µF capacitor to GNDL1.
10
GNDL3
Ground
Ground for upper port transmitter. Connect to ground plane.
11
VDDL3
Power
3.3V supply for upper port transmitter. Connect externally to VAA and bypass with 0.47µF
capacitor to GNDL3.
12
RXUN
Input
Negative input for upper port receiver. Tolerates ±30V.
13
RXUP
Input
Positive input for upper port receiver. Tolerates ±30V. Connect to ground for single-ended
operation.
14
GPIO3
I/O
General-Purpose I/O 3. Driven between VDDL1 and GNDL1. 2MΩ internal pull-down.
15
GPIO2
I/O
General-Purpose I/O 2. Driven between VDDL1 and GNDL1. 2MΩ internal pull-down.
16
GPIO1
I/O
General-Purpose I/O 1. Driven between VDDL1 and GNDL1. 2MΩ internal pull-down.
17
GPIO0
I/O
General-Purpose I/O 0. Driven between VDDL1 and GNDL1. 2MΩ internal pull-down.
18
NC
NC
Not connected. Connect to ground or leave floating.
19
NC
NC
Not connected. Connect to ground or leave floating.
20
TXLP
Output
Positive output for lower port transmitter. Driven between VDDL2 and GNDL2.
21
TXLN
Output
Negative output for lower port transmitter. Driven between VDDL2 and GNDL2.
22
VDDL2
Power
3.3V supply for lower port transmitter. Connect externally to VAA and bypass with 0.47µF
capacitor to GNDL2.
23
GNDL2
Ground
Ground for lower port transmitter. Connect to ground plane.
24
RXLP
Input
Positive input for lower port receiver. Tolerates ±30V. Connect to ground for single-ended
operation.
25
RXLN
Input
Negative input for lower port receiver. Tolerates ±30V.
26
NC
NC
Not connected. Connect to ground or leave floating.
27
NC
NC
Not connected. Connect to ground or leave floating.
28
CTG
Input
Reserved for factory use. Connect to ground.
29
AUXIN2
Input
Auxiliary voltage input 2 to measure external temperature. Connect to a voltage divider
consisting of a 10KΩ pull-up to THRM and 10KΩ NTC thermistor to ground. If not used,
connect to the pull-up only.
30
AUXIN1
Input
Auxiliary voltage input 1 to measure external temperature. Connect to a voltage divider
consisting of a 10KΩ pull-up to THRM and a 10KΩ NTC thermistor to ground. If not used,
connect to the pull-up only.
31
AGND
Ground
Analog ground. Connect to negative terminal of cell 1 and ground plane.



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