TLC320AD545 datasheet(8/38 Pages) TI2

8 / 38 page

1–3

1.4

Terminal Assignments

DREFP_DAC

DT_MCLK

DREFM_DAC

RESET

DVSS

DTRXM

DT_DIN

DT_SCLK

DAVDD

DAVSS

DTRX_FB

DT_DOUT

DT_FS

DTRXP

13 14 15 16 17 18 19 20 21 22 23 24

48 47 46 45 44 43 42 41 40 39 38 37

TLC320AD545

NC–Make no external connection

1.5

Ordering Information

PACKAGE

PLASTIC QUAD

FLATPACK (PT)

°C to 70°C

TLC320AD545PT

–40

°C to 85°C

TLC320AD545IPT

1.6

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

3, 4, 7, 8,

11, 21, 25,

26, 35, 36,

No connection

DAVDD

Analog power supply (5 V/3.3 V)

DAVSS

Analog ground

DREFM_ADC

ADC voltage reference filter output. DREFM_ADC provides lowpass filtering for the internal bandgap

reference. The optimal ceramic capacitor value is 0.1

µF connected between DREFM_ADC and

DREFP_ADC. The nominal dc voltage at this terminal is 0 V.

DREFM_DAC

DAC voltage reference filter output. DREFM_DAC provides for lowpass filtering the internal bandgap

reference. The optimal ceramic capacitor value is 0.1

µF connected between DREFM_ADC and

DREFP_ADC. The nominal dc voltage at this terminal is 0 V.

TLC320AD545 Datasheet(PDF) 8 Page - Texas Instruments

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