PCM1803A datasheet(5/22 Pages) TI

부품명	PCM1803A

상세설명	SINGLE-ENDED, ANALOG-INPUT 24-BIT, 96-kHz STEREO A/D CONVERTER

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제조업체	TI [Texas Instruments]

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PCM1803A

SLES142A – JUNE 2005 – REVISED AUGUST 2006

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)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DYNAMIC PERFORMANCE(5)

VIN = –0.5 dB, fS = 44.1 kHz

–95

–89

VIN = –0.5 dB, fS = 96 kHz(6)

–93

THD+N

Total harmonic distortion + noise

dB

VIN = –60 dB, fS = 44.1 kHz

–41

VIN = –60 dB, fS = 96 kHz(6)

–41

fS = 44.1 kHz, A-weighted

100

103

Dynamic range

dB

fS = 96 kHz, A-weighted(6)

103

fS = 44.1 kHz, A-weighted

100

103

SNR

Signal-to-noise ratio

dB

fS = 96 kHz, A-weighted(6)

103

fS = 44.1 kHz

95

98

Channel separation

dB

fS = 96 kHz(6)

99

ANALOG INPUT

VI

Input voltage

0.6 VCC

Vp-p

Center voltage (VREF1)

0.5 VCC

V

Input impedance

40

k

Ω

DIGITAL FILTER PERFORMANCE

Pass band

0.454 fS

Hz

Stop band

0.583 fS

Hz

Pass-band ripple

±0.05

dB

Stop-band attenuation

–65

dB

tGD

Group delay time

17.4/fS

s

HPF frequency response

–3 dB

0.019 fS

mHz

POWER SUPPLY REQUIREMENTS

VCC

4.5

5

5.5

Vdc

Supply voltage range

VDD

2.7

3.3

3.6

Vdc

7.7

10

mA

ICC

Power down(8)

5

µA

Supply current(7)

fS = 44.1 kHz

6.5

9

mA

IDD

fS = 96 kHz (6)

11.7

mA

Power down(8)

1

µA

fS = 44.1 kHz

60

80

mW

Power dissipation

fS = 96 kHz (6)

77

mW

Power down(8)

28

µW

TEMPERATURE RANGE

TA

Operating free-air temperature

–40

85

°C

θ

JA

Thermal resistance

20-pin SSOP

115

°C/W

(5)

Analog performance specifications are tested using the System Two™ audio measurement system by Audio Precision™, using 400-Hz

HPF, 20-kHz LPF in rms mode.

(6)

fS = 96 kHz, system clock = 256 fS, oversampling ratio = ×64.

(7)

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

(8)

Halt SCKI, BCK, LRCK

5

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유사한 부품 번호 - PCM1803A

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