®

2

PCM1721

SPECIFICATIONS

All specifications at +25

°C, +V

PCM1721

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

RESOLUTION

16

24

Bits

DATA FORMAT

Audio Data Format

Data Bit Length

16/20/24

Selectable

32

44.1

48

kHz

16

22.05

24

kHz

64

88.2

96

kHz

PLL PERFORMANCE

Master Clock Input Frequency

27

MHz

Generated Sysclk Frequency

Generated Sysclk Jitter

±250

ps

20

ms

Generated Sysclk Duty Cycle

40

50

60

%

DIGITAL INPUT/OUTPUT LOGIC LEVEL

TTL

fs = 44.1kHz

–89

–80

dB

fs = 96kHz

–87

dB

THD+N at –60dB

fs = 44.1kHz

–31

dB

fs = 96kHz

–29

dB

Dynamic Range (EIAJ Method)

fs = 44.1kHz

90

94

dB

fs = 96kHz

91

dB

fs = 44.1kHz

90

94

dB

fs = 96kHz

92

dB

Channel Separation

fs = 44.1kHz

88

92

dB

DC ACCURACY

Gain Error

±1.0

±5.0

% of FSR

Gain Mismatch, Channel-to-Channel

±1.0

±5.0

% of FSR

Bipolar Zero Error

±30

mV

ANALOG OUTPUT

Output Voltage

Full Scale (–0dB)

Vp-p

Center Voltage

Load Impedance

AC Load

5

k

Ω

DIGITAL FILTER PERFORMANCE

Passband

0.445

Stopband

0.555

Passband Ripple

±0.17

dB

Stopband Attenuation

–35

dB

Delay Time

sec

De-emphasis Error

–0.2

+0.55

dB

INTERNAL ANALOG FILTER

–3dB Bandwidth

100

kHz

Passband Response

f = 20kHz

–0.16

dB

POWER SUPPLY REQUIREMENTS

Voltage Range

4.5

5

5.5

VDC

36

43

mA

49

58

mA

TEMPERATURE RANGE

Operation

0

+70

°C

Storage

–55

+100

°C

NOTES: (1) Sysclk transient is the maximum frequency lock time when the PLL frequency is changed. (2) Dynamic performance specs are tested with 20kHz low

pass filter and THD+N specs are tested with 30kHz LPF, 400Hz HPF, Average-Mode. (3) SNR is tested at Infinite Zero Detection off.

The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes no

responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change without notice.

No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant any BURR-BROWN

product for use in life support devices and/or systems.