®

PCM1720

2

SPECIFICATIONS

All specifications at +25

°C, +V

PCM1720

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

Internal System Clock Frequency

DIGITAL INPUT/OUTPUT LOGIC LEVEL

TTL

–90

–80

dB

–88

dB

THD+N at –60dB

–34

dB

–31

dB

Dynamic Range

90

96

dB

93

dB

92

100

dB

97

dB

Channel Separation

90

97

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

VDC

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

18

25

mA

25

35

mA

TEMPERATURE RANGE

Operation

–25

+85

°C

Storage

–55

+100

°C

NOTES: (1) Dynamic performance specs are tested with 20kHz low pass filter and THD+N specs are tested with 30kHz LPF, 400Hz HPF, Average-Mode. (2) SNR

is tested with 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.

Not Recommended For New Designs