TST0 TST1 TST2

LOGIC

(DSP)

ADC

14bit

Temperature

sensor

OSC

EEPROM

Amp.

inputerror

detector

I/O

i/f

SIP

SIN

DO

IC

HV

generator

ADC

12bit

REFI

PROGV

VCC

Amp.

Amp.

TST0 TST1 TST2

DI

Over -Pressure

detector

TST0 TST1 TST2

LOGIC

(DSP)

ADC

14bit

Temperature

sensor

OSC

EEPROM

Amp.

inputerror

detector

I/O

i/f

SIP

SIN

DO

IC

HV

generator

ADC

12bit

REFI

PROGV

GND

Amp.

Amp.

TST0 TST1 TST2

DI

Over -Pressure

detector

TPIC83000-Q1

SLDS171 – NOVEMBER 2009

www.ti.com

Functional Block Diagram

TERMINAL FUNCTIONS

NAME

NO.

DESCRIPTION

Vcc

1

I

5-V input analog supply

VccA

2

I

ADC positive reference

Gnd

3

I

Ground (analog)

REFI

4

I

Current reference ( Vbg / R )

GndA

5

I

ADC negative reference

SIP

6

I / PD

Positive sensor input

Gnd

7

I

Ground (analog)

SIN

8

I / PD

Negative sensor input

ProgV

9

O / PD

EEPROM programming voltage monitor

10

I/O

Test (analog / digital)

11

I/O

Test (analog / digital)

12

I/O

Test (digital)

DO

13

O

UART interface output

DI

14

I

UART interface input

DGnd

15

I

Digital ground

Vdd

16

I

5-V digital supply

(1)

I = input, O = output, PD = pulldown, PU = pullup

(2)

These pins are to be used for TI internal test purposes only and must be "no connection" in the system application. No signal traces

should be connected to the NC pins.

2

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Product Folder Link(s): TPIC83000-Q1