PCM1691 datasheet(5/47 Pages) TI

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ELECTRICAL CHARACTERISTICS: Power-Supply Requirements

PCM1691

www.ti.com.............................................................................................................................................................................................. SBAS450 – OCTOBER 2008

ELECTRICAL CHARACTERISTICS: DAC (continued)

All specifications at TA = +25°C, VCC1 = VCC2 = 5 V, VDD = 3.3 V, fS = 48 kHz, SCKI = 512 fS, 24-bit data, and Sampling

mode = Auto, unless otherwise noted.

PCM1691

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DIGITAL FILTER PERFORMANCE WITH SLOW ROLL-OFF

Passband

0.328 × fS

Stop band

0.673 × fS

Passband ripple

< 0.328 × fS

±0.0013

Stop band attenuation

> 0.673 × fS

–75

DIGITAL FILTER PERFORMANCE

Except SCKI = 128 fS and 192 fS

28/fS

sec

Group delay time (single, dual)

SCKI = 128 fS and 192 fS

19/fS

sec

Group delay time (quad)

19/fS

sec

De-emphasis error

±0.1

All specifications at TA = +25°C, VCC1 = VCC2 = 5 V, VDD = 3.3 V, fS = 48 kHz, SCKI = 512 fS, 24-bit data, and Sampling

mode = Auto, unless otherwise noted.

PCM1691

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

POWER-SUPPLY REQUIREMENTS

VCC1/2

4.5

5.0

5.5

VDC

Voltage range

VDD

3.0

3.3

3.6

VDC

fS = 48 kHz

110

ICC

fS = 192 kHz

Full power-down(1)

170

µA

Supply current

fS = 48 kHz

IDD

fS = 192 kHz

Full power-down(1)

µA

fS = 48 kHz

558

847

Power dissipation

fS = 192 kHz

621

Full power-down(1)

1.05

TEMPERATURE RANGE

Operating temperature

PCM1691 consumer grade

–40

+85

°C

Thermal resistance

HTSSOP-48, High-K

°C/W

(1)

SCKI, BCK, and LRCK stopped.

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