PCM2912A

SLES230A – SEPTEMBER 2008 – REVISED AUGUST 2015

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Electrical Characteristics (continued)

All specifications at TA = 25°C, VBUS = 5 V, fS = 44.1 kHz, fIN = 1 kHz, and 16-bit data, unless otherwise noted. for Host

interface, apply USB revision 2.0, full-speed. For audio data format, use UsB isochronous data format.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SIDETONE PROGRAMMABLE ATTENUATOR

Gain range

–76

0

dB

Gain step size

1

dB

OUTPUT PROGRAMMABLE ATTENUATOR

Gain range

–76

0

dB

Gain step size

1

dB

ANALOG LOOPBACK PERFORMANCE(8)

RL > 10 kΩ, VIN = 0 dB of 0.43 VCCA

0.01%

0.02%

THD+N

Total harmonic distortion plus noise

RL = 32 Ω, VIN = 0 dB of 0.43 VCCA

0.02%

0.05%

Dynamic range

EIAJ, A-weighted

82

90

dB

SNR

Signal-to-noise ratio

EIAJ, A-weighted

84

92

dB

DAC DIGITAL FILTER PERFORMANCE

Passband

0.445 fS

Hz

Stop band

0.555 fS

Hz

Passband ripple

±0.1

dB

Stop-band attenuation

–43

dB

Delay time

14.3/fS

s

POWER-SUPPLY REQUIREMENTS

VBUS

Voltage range

Bus-powered

4.35

5

5.25

VDC

ADC, DAC operation (RL = 32 Ω)

85

100

mA

Supply current

Suspend mode(9)

220

300

μA

ADC, DAC Operation

425

500

mW

Power dissipation

Suspend mode(9)

0.8

1

mW

VCCP,VCCL

Internally-generated power supply

VCCR,VCCA

3

3.3

3.6

VDC

voltage(10)

VDD

TEMPERATURE RANGE

Operation temperature

–25

85

°C

(8)

MIC Amp = 0 dB, Sidetone attenuator = 0 dB, Output attenuator = 0 dB.

(9)

Under USB suspend state

(10) Pins 5, 15, 19, 21, 26: VDD, VCCA, VCCL, VCCR, VCCP.

8

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