PCM1681_15 datasheet(8/44 Pages) TI

Part #	PCM1681

Description	PCM1681 24-Bit, 192-kHz Sampling, Enhanced Multilevel Delta-Sigma,Eight-Channel Audio Digital-to-Analog Converter

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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PCM1681, PCM1681-Q1

SLES211C – FEBRUARY 2008 – REVISED JULY 2015

www.ti.com

Electrical Characteristics (continued)

All specifications at VCC = 5.0 V, VDD = 3.3 V, fS = 48 kHz, system clock = 512 fS, and 24-bit data, narrow o/s mode, unless

otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ANALOG OUTPUT

0.75

Output voltage

Full-scale (–0 dB)

VPP

VCC

0.486

Bipolar zero voltage

VDC

VCC

Load impedance

AC-coupled load

5

k

Ω

DIGITAL FILTER PERFORMANCE

Filter Characteristics (Sharp Roll-Off)

Passband

±0.015 dB

0.454 fS

Stop band

0.546 fS

Passband ripple

±0.015

dB

Stop band attenuation

Stop band = 0.546 fS

–57

dB

Filter Characteristics (Slow Roll-Off)

Passband

±0.004 dB

0.261 fS

Stop band

0.727 fS

Passband ripple

±0.004

dB

Stop band attenuation

Stop band = 0.727 fS

–56

dB

Filter Characteristics

Delay time

24/fS

De-emphasis error

±0.1

dB

ANALOG FILTER PERFORMANCE

at 20 kHz

–0.02

Frequency response

dB

at 44 kHz

–0.07

POWER-SUPPLY REQUIREMENTS

VDD

3

3.3

3.6

Voltage range

VDC

VCC

4.5

5.0

5.5

fS = 48 kHz

13

20

IDD

Supply current

fS = 96 kHz, system clock = 256 fS

18

mA

fS = 192 kHz, system clock = 128 fS

23

fS = 48 kHz

62

80

ICC

Supply current

fS = 96 kHz, system clock = 256 fS

62

mA

fS = 192 kHz, system clock = 128 fS

62

fS = 48 kHz

353

466

Power dissipation

fS = 96 kHz, system clock = 256 fS

369

mW

fS = 192 kHz, system clock = 128 fS

386

TEMPERATURE RANGE

PCM1681

–40

85

°C

Operating temperature

PCM1681-Q1

–40

105

°C

θJA

Thermal resistance

28-pin TSSOP PowerPAD™

28

°C/W

8

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