Datasheet

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PCM3052A
SLES160 – NOVEMBER 2005
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A
= 25 ° C, V
CC
1 = V
CC
2 = V
CC
3 = 5 V, V
DD
= 3.3 V, f
S
= 48 kHz, SCKI = 256 f
S
, 24-bit data, unless
otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
AFE MULTIPLEXER
Input channel 2 CH
Input range for full scale V
IN
L, V
IN
R 0.1 1 1.5 Vrms
Input Impedance V
IN
L, V
IN
R 22 143 k Ω
Antialiasing filter frequency response –3 dB, PGA gain = 0 dB 300 kHz
Input center voltage (VREF1) 0.5 V
CC
1 V
AFE PGA
Gain range –4 0 20 dB
Gain step 1 dB
Monotonicity Ensured
ADC CHARACTERISTICS
Resolution 24 Bits
Full-scale input voltage V
IN
L, V
IN
R at PGA gain = 0 dB 0.6 V
CC
1 Vp-p
DC Accuracy
Gain mismatch, channe-to-channel Full scale input, V
IN
L, V
IN
R ± 1 ± 2 % of FSR
Gain error Full scale input, V
IN
L, V
IN
R ± 2 ± 4 % of FSR
Bipolar-zero error HPF bypass, V
IN
L, V
IN
R ± 2 % of FSR
Dynamic Performance
(7)
f
S
= 48 kHz, V
IN
= –0.5 dB –94 –88
f
S
= 96 kHz, V
IN
= –0.5 dB –89
THD+N Total harmonic distortion + noise dB
f
S
= 48 kHz, V
IN
= –60 dB –38
f
S
= 96 kHz, V
IN
= –60 dB –38
f
S
= 48 kHz, A-weighted 95 101
Dynamic range dB
f
S
= 96 kHz, A-weighted 101
f
S
= 48 kHz, A-weighted 95 101
S/N Signal-to-noise ratio dB
f
S
= 96 kHz, A-weighted 101
f
S
= 48 kHz 92 98
Channel separation
dB
(between L-ch and R-ch of line-in)
f
S
= 96 kHz 99
f
S
= 48 kHz 92 98
Channel separation
dB
(between microphone and line-in)
f
S
= 96 kHz 99
Digital Filter Performance
Pass band ± 0.05 dB 0.454 f
S
Hz
Stop band 0.583 f
S
Hz
Pass-band ripple ± 0.05 dB
Stop-band attenuation 0.583 f
S
–65 dB
Delay time 17.4/f
S
s
HPF frequency response –3 dB 0.019 f
S
MHz
DAC CHARACTERISTICS
Resolution 24 Bits
DC Accuracy
Gain mismatch, channel-to-channel ± 1 ± 2 % of FSR
Gain error ± 2 ± 6 % of FSR
Bipolar zero error ± 1 % of FSR
(7) f
IN
= 1 kHz, using System Two™ audio measurement system by Audio Precision™ in the RMS mode with 20-kHz LPF and 400-Hz HPF
in the calculation, at PGA gain = 0 dB, for V
IN
L and V
IN
R.
4