®

2

PCM1744

SPECIFICATIONS

All specifications at +25

°C, +V

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.

PCM1744

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

RESOLUTION

24

Bits

DATA FORMAT

Audio Data Interface Format

Audio Data Format

Two’s Binary Complement

16

96

kHz

Internal System Clock Frequency

DIGITAL INPUT/OUTPUT

Logic Level

TTL

Input Logic Level

2.0

VDC

0.8

VDC

±0.8

µA

f = 991kHz

THD+N at FS (0dB)

–83

–79

dB

THD+N at –60dB

–32

dB

Dynamic Range

EIAJ, A-weighted

90

95

dB

Signal-to-Noise Ratio

EIAJ, A-weighted

90

97

dB

Channel Separation

88

95

dB

DC ACCURACY

Gain Error

±1.0

±10.0

% of FSR

Gain Mismatch, Channel-to-Channel

±1.0

±5.0

% of FSR

Bipolar Zero Error

±20

±50

mV

ANALOG OUTPUT

Output Voltage

Full Scale (0dB)

Vp-p

Center Voltage

VDC

Load Impedance

AC Load

10

k

Ω

DIGITAL FILTER PERFORMANCE

Passband

0.445

Stopband

0.555

Passband Ripple

±0.17

dB

Stopband Attenuation

–35

dB

Delay Time

sec

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

Supply Current

13

18

mA

Power Dissipation

65

90

mW

TEMPERATURE RANGE

Operation

–25

+85

°C

Storage

–55

+125

°C

NOTES: (1) Pins 1, 2, 3, 12, 13, 14: LRCIN, DIN, BCKIN, DM, FORMAT, SCKI. (2) Dynamic performance specs are tested with 20kHz low pass filter and THD+N

specs are tested with 30kHz LPF, 400Hz HPF, Average-Mode.