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STLC1511

NorthenLite™ G.lite BiCMOS Analog Front-End Circuit

STMicroelectronics 

STLC1511

Table 1. Pin Assignement

Pin #

28

29

30

31

32

33

34

Pin Name

RXOPINN

RXOPINP

VCCRXPGA

VEERXPGA

QVEERX

QVEEPLL

VSSPLL

35

VDDPLL

36

VCAP

37

OSCPE

38

OSCPB

39

OSCNB

40

OSCNE

41

FREF

Pin Type

AI

AI

VCC

VEE

VEE

VEE

VSS

VDD

AO

AIO

AIO

AIO

AIO

AI

42

VEEPLL

43

VCCPLL

44

V3P75V

45

IREF50m

VEE

VCC

AIO

AIO

46

VCCBIAS

47

VEEBIAS

48

QVEEBIAS

49

QVEETX

50

TXOP

51

TXON

52

VCCTXPGA

53

VEETXPGA

54

VDDESD2

55

VSSESD2

56

VCCDAC

57

VEEDAC

58

TXDADC1

VCC

VEE

VEE

VEE

AO

AO

VCC

VEE

VDD

VSS

VCC

VEE

AIO

Pad Type

ANA

ANA

VDDCO

VSSCO

VSSCO

VSSCO

VSSCO

VDDCO

ANA

ANA

ANA

ANA

ANA

ANA

VSSCO

VDDCO

ANA

ANA

VDDCO

VSSCO

VSSCO

VSSCO

ANA

ANA

VDDCO

VSSCO

VDDA

VSSA

VDDCO

VSSCO

ANA

Description

Rx opamp negative input (must be DC coupled)

Rx opamp positive input (must be DC coupled)

5V supply for RxPGA

Ground for RxPGA

Quiet ground for Rx circuitry

Quiet ground for PLL circuitry

Ground for Oscillator2

5 V supply for Oscillator2

Charge pump output to varactor

Oscillator I/O (emitter)

Oscillator I/O (base)

Oscillator I/O (base)

Oscillator I/O (emitter)

2.56 MHz PLL input reference/ 35.328 MHz clock

input

Ground for oscillator2

5 V supply for oscillator2

3.75V output from Bandgap to 0.22mF capacitor

External resistor for bias current R=2.5V/

50mA=50kohm

5V supply for biasing

Ground for biasing

Quiet ground for bias circuitry

Quiet ground for Tx circuitry

Tx positive output

Tx negative output

5V supply for TxPGA

Ground for TxPGA

5V supply for ESD ring

Ground for ESD ring

5V supply for DAC

Ground for DAC

DAC reference (2.5V) 0.1uF

3/31

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