®
2
PCM1725
SPECIFICATIONS
All specifications at +25°C, +V
CC
= +5V, f
S
= 44.1kHz, and 16-bit input data, SYSCLK = 384f
S
, unless otherwise noted.
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.
PCM1725
PARAMETER CONDITIONS MIN TYP MAX UNITS
RESOLUTION 16 Bits
DATA FORMAT
Audio Data Interface Format Standard/I
2
S
Audio Data Format Binary Two’s Complement
Sampling Frequency (f
S
) 16 96 kHz
Internal System Clock Frequency 256f
S
/384f
S
DIGITAL INPUT/OUTPUT
Logic Level TTL
Input Logic Level
V
IH
(1)
2.0 VDC
V
IL
(1)
0.8 VDC
Input Logic Current: I
IN
(1)
±0.8 µA
DYNAMIC PERFORMANCE
(2)
f = 991kHz
THD+N at FS (0dB) –83 –78 dB
THD+N at –60dB –32 dB
Dynamic Range A-weighted 90 95 dB
Signal-to-Noise Ratio A-weighted 90 97 dB
Channel Separation 88 95 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 V
OUT
= V
CC
/2 at BPZ ±20 ±50 mV
ANALOG OUTPUT
Output Voltage Full Scale (0dB) 0.62 x V
CC
Vp-p
Center Voltage V
CC
/2 VDC
Load Impedance AC Load 10 kΩ
DIGITAL FILTER PERFORMANCE
Passband 0.445 f
S
Stopband 0.555 f
S
Passband Ripple ±0.17 dB
Stopband Attenuation –35 dB
Delay Time 11.125/f
S
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: LRCIN, DIN, BCKIN, DM, FORMAT (Schmitt Trigger Input); Pin 14: 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.
Not Recommended For New Designs
