PCM2900

PCM2902

SLES035B − MARCH 2002 − REVISED JUNE 2004

www.ti.com

5

ELECTRICAL CHARACTERISTICS

all specifications at TA = 25°C, VBUS = 5 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted

PARAMETER

TEST CONDITIONS

PCM2900E, PCM2902E

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DC Accuracy

Gain mismatch channel-to-channel

±1

±5 %of FSR

Gain error

±2

±10 % of FSR

Bipolar zero error

±2

% of FSR

Dynamic Performance(1)

THD+N

Total harmonic distortion plus noise

VOUT = 0 dB

0.005%

0.016%

THD+N

Total harmonic distortion plus noise

VOUT = –60 dB

3%

Dynamic range

EIAJ, A-weighted

87

93

dB

SNR

Signal-to-noise ratio

EIAJ, A-weighted

90

96

dB

Channel separation

86

92

dB

Analog Output

VO

Output voltage

0.6

VCCCI

Vp−p

Center voltage

0.5

VCCCI

V

Load impedance

AC coupling

10

k

Ω

LPF frequency response

–3 dB

250

kHz

LPF frequency response

f = 20 kHz

–0.03

dB

Digital filter performance

Pass band

0.445 fS

Hz

Stop band

0.555

fS

Hz

Pass-band ripple

±0.1

dB

Stop-band attenuation

–43

dB

td

Delay time

14.3 fS

s

Power Supply Requirements

VBUS

Voltage range

4.35

5

5.25

VDC

Supply current

ADC, DAC operation

56

67

mA

Supply current

Suspend mode(2)

210

µA

PD

Power dissipation

ADC, DAC operation

280

352

mW

PD

Power dissipation

Suspend mode(2)

1.05

mW

Internal power supply voltage

VCCCI, VCCP1I,

VCCP2I, VCCXI, and VDDI

3.25

3.35

3.5

VDC

Temperature Range

Operation temperature

–25

85

_C

θJA

Thermal resistance

28-pin SSOP

100

°C/W

(1) fOUT = 1 kHz, using Audio Precision System II, RMS mode with 20-kHz LPF, 400-Hz HPF.

(2) Under USB suspend state