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ZSSC3240CC1B Datasheet(PDF) 7 Page - Renesas Technology Corp

Part # ZSSC3240CC1B
Description  Sensor Signal Conditioner IC for Resistive Sensors
PDF  64 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ZSSC3240CC1B Datasheet(HTML) 7 Page - Renesas Technology Corp

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ZSSC3240
Datasheet
Nov.27.20
Page 7
2.
Pin Descriptions
Table 1.
Pin Descriptions
Pin Number
Name
Type
Description
1
VDDB
Analog
Input/Output
Positive sensor (bridge) supply or sensor-signal input.
2
INP
Analog Input
Positive sensor (bridge) signal.
3
VSSB
Analog Input
Sensor (bridge) ground or sensor-signal input.
4
INN
Analog Input
Negative sensor (bridge) signal.
5
IDT-test
–
Renesas-internal use only. Connect to VSS or no connection; leave pin floating.
6
IDT-test
–
Renesas-internal use only. Connect to VSS or no connection; leave pin floating.
7
RESQ
Digital Input
Digital IC reset (low active); internal pull-up.
8
IDT-test
–
Renesas-internal use only. Connect to VSS or no connection; leave pin floating.
9
MOSI/ SDA
Digital
Input/Output
Digital data input for SPI or bidirectional data I/O for I2C. Pull-up to VDD.
10
n.c.
–
No connection. Leave pin floating.
11
SCLK/ SCL
Digital Input
Clock input for SPI or I2C interface. Referenced to applied VDD level.
12
MISO
Digital Output
Data output from ZSSC3240 to master for SPI interface. Referenced to applied
VDD level.
13
SS
Digital Input
Slave select (interface enable) for SPI. Referenced to applied VDD level.
14
EOC
Digital Output
End-of-conversion and output interrupt signal.
15
OWI2in
Digital Input
Optional OWI interface input line for current-loop applications.
16
AOUT/ OWI1
Analog Output;
Digital
Input/Output
Analog smart-sensor output signal and/or OWI-interface input/output line.
17
FB
Analog Output
Current-loop application feedback output (level below VSS!). No connection if not
used.
18
VSS
Ground
Power supply ground.
19
VDD
Supply
Power supply.
20
n.c.
–
No connection. Leave pin floating.
21
TEXT
Analog Output
Current drive output for external temperature sensor and/or bridge in Current
Mode. A 150
0Ω serial resistor is built in the IC internally for pad-protection
purposes.
22
n.c.
–
No connection. Leave pin floating.
23
LDOctrl
Analog Output
Control output (reference signal) for (optional) external regulator / supply control
loop.
24
n.c.
–
No connection. Leave pin floating.
25
Exposed PAD
-
QFN-bottom plate, i.e. Die-bottom/substrate. Leave pin floating (no electrical
connection), PAD to be used for heat dissipation only.



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