PCM2704C, PCM2705C

PCM2706C, PCM2707C

www.ti.com

SBFS036A – AUGUST 2011 – REVISED JULY 2012

ELECTRICAL CHARACTERISTICS

PCM2704CDB, PCM2705CDB

PCM2706CPJT, PCM2707CPJT

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

DIGITAL INPUT/OUTPUT

Host interface

Apply USB revision 1.1, full-speed

Audio data format

USB isochronous data format

INPUT LOGIC

2

3.3

–0.3

0.8

Input logic level

(1)

2

5.5

(1)

–0.3

0.8

(2)

±10

(2)

±10

Input logic current

μA

65

100

±10

OUTPUT LOGIC

(3)

2.8

(3)

0.3

Output logic level

2.4

0.4

CLOCK FREQUENCY

Input clock frequency, XTI

11.994

12

12.006

MHz

Sampling frequency

32, 44.1, 48

kHz

DAC CHARACTERISTICS

Resolution

16

Bits

Audio data channel

1, 2

Channel

DC ACCURACY

Gain mismatch, channel-to-channel

±2

±8

% of FSR

Gain error

±2

±8

% of FSR

Bipolar zero error

±3

±6

% of FSR

0.006

0.01

%

Total harmonic

THD+N

0.012

0.02

%

distortion + noise

Headphone

0.025

%

THD+N

Total harmonic distortion + noise

2

%

Dynamic range

EIAJ, A-weighted

90

98

dB

SNR

Signal-to-noise ratio

EIAJ, A-weighted

90

98

dB

Channel separation

60

70

dB

(1)

HOST pin.

(2)

D+, D–, HOST, TEST, TEST0, TEST1, DT, PSEL, FSEL, XTI pins.

(3)

FUNC0, FUNC1, FUNC2 pins.

(4)

filter (LPF) and 400-Hz high-pass filter (HPF).

(5)

THD+N performance varies slightly, depending on the effective output load, including dummy load R7, R8 in Figure 34.

Copyright © 2011–2012, Texas Instruments Incorporated

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Product Folder Link(s): PCM2704C PCM2705C PCM2706C PCM2707C