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L9780 Datasheet(PDF) 7 Page - STMicroelectronics

Part # L9780
Description  Wide range air fuel sensor control interface
PDF  56 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9780 Datasheet(HTML) 7 Page - STMicroelectronics

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L9780
Pin description
55
1
Pin description
Figure 1. Pin connection diagram (top view)
Table 2. Pin function
Pin number
Pin name
Pin description
1
TG1
Switching TAG resistor pin channel 1
2
SNS
VCCS sense pin
3
TST1
Test mode pin 1
4
INRC
Reference cell input
5
RCT1
Impedance test pin 1
6
RCT2
Impedance test amplifier input
7
SR
Sensor return
8
PG1
Protection fet gate channel 1
9
PG2
Protection fet gate channel 2
10
HD
Heater fet drain
11
TST2
Test mode pin 2
12
HG
Heater fet gate
13
SY
Synchronous mode pin
14
PW
Heater PWM input pin
15
SO
Serial data output
16
CLK
SPI clock
17
SI
Serial data input



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