Datasheet

www.ti.com
PCM3000
PCM3001
SBAS055A – OCTOBER 2000 – REVISED OCTOBER 2004
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A
= 25 ° C, V
DD
= V
CC
= 5 V, f
S
= 44.1 kHz, SYSCLK = 384 f
S,
CLKIO input, and 18-bit data, unless
otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Dynamic Performance
(9)
f = 1 kHz, V
IN
= –0.5 dB –88 –80
THD+N dB
f = 1 kHz, V
IN
= –60 dB –31
Dynamic range f = 1 kHz, A-weighted 90 94 dB
Signal-to-noise ratio f = 1 kHz, A-weighted 90 94 dB
Channel separation 88 92 dB
Digital Filter Performance
Pass band 0.454 f
S
Hz
Stop band 0.583 f
S
Hz
Pass-band ripple ± 0.05 dB
Stop-band attenuation –65 dB
Delay time (latency) 17.4/f
S
s
Digital High-Pass Filter Response
Cutoff frequency –3 dB 0.019 f
S
mHz
ANALOG INPUT
Voltage range 0 dB (full scale) 2.9 Vp-p
Center voltage 2.1 VDC
Input impedance 15 k Ω
Antialiasing Filter
Cutoff frequency –3 dB, C
EXT
= 470 pF 170 kHz
DAC CHARACTERISTICS
Resolution 18 Bits
DC Accuracy
Gain mismatch, channel-to-channel ± 1 ± 5 % of FSR
Gain error ± 1 ± 5 % of FSR
Gain drift ± 20 ppm of FSR/ ° C
Bipolar zero error ± 1 % of FSR
Bipolar zero drift ± 20 ppm of FSR/ ° C
Dynamic Performance
(9)
V
OUT
= 0 dB (full scale) –90 –80
THD+N dB
V
OUT
= –60 dB –34
Dynamic range EIAJ A-weighted 90 97 dB
Signal-to-noise ratio (idle channel) EIAJ A-weighted 92 98 dB
Channel separation 90 95 dB
Digital Filter Performance
Pass band 0.445 f
S
Hz
Stop band 0.555 f
S
Hz
Pass-band ripple ± 0.17 dB
Stop-band attenuation –35 dB
Delay time 11.1/f
S
s
(9) f
IN
= 1 kHz, using the System Two™ audio measurement system by Audio Precision™, rms mode with 20-kHz LPF, 400-Hz HPF
used for performance calculation or measurement.
3