PCM1802DB datasheet(5/28 Pages) TI1

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PCM1802

SLES023C – DECEMBER 2001 – REVISED JANUARY 2005

ELECTRICAL CHARACTERISTICS (continued)

all specifications at T

A = 25°C, VCC = 5 V, VDD = 3.3 V, master mode, fS = 44.1 kHz, system clock = 384 fS, oversampling ratio

×128, 24-bit data (unless otherwise noted)

PCM1802DB

TEST CONDITIONS

UNIT

MIN

TYP

MAX

fS = 44.1 kHz

103

Channel separation

fS = 96 kHz (9)

ANALOG INPUT

Input voltage

0.6 VCC

Vp-p

Center voltage (VREF1)

0.5 VCC

Input impedance

Ω

Antialiasing filter frequency response

–3 dB

300

kHz

DIGITAL FILTER PERFORMANCE

Pass band

0.454 fS

Stop band

0.583 fS

Pass-band ripple

±0.05

Stop-band attenuation

–65

Delay time

17.4/fS

HPF frequency response

–3 dB

0.019 fS

mHz

POWER SUPPLY REQUIREMENTS

VCC

4.5

5.5

Voltage range

VDC

VDD

2.7

3.3

3.6

ICC

VCC = 5 V, VDD = 3.3 V

Supply current (10)

fS = 44.1 kHz VCC = 5 V, VDD = 3.3 V

8.3

IDD

fS = 96 kHz, VCC = 5 V, VDD = 3.3 V(8)

fS = 44.1 kHz, VCC = 5 V, VDD = 3.3 V

147

183

Power dissipation; operation

fS = 96 kHz, VCC = 5 V, VDD = 3.3 V(8)

176

Power dissipation; power down

VCC = 5 V, VDD = 3.3 V

0.5

TEMPERATURE RANGE

Operation temperature

–40

°C

Thermal resistance (

JA)

20-pin SSOP

115

°C/W

(10) Minimum load on DOUT (pin 12), BCK (pin 11), LRCK (pin 10), FSYNC (pin 9)

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