Datasheet

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PCM1803A
SLES142A – JUNE 2005 – REVISED AUGUST 2006
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A
= 25°C, V
CC
= 5 V, V
DD
= 3.3 V, master mode, f
S
= 44.1 kHz, system clock = 384 f
S
,
oversampling ratio = ×128, 24-bit data (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DYNAMIC PERFORMANCE
(5)
V
IN
= –0.5 dB, f
S
= 44.1 kHz –95 –89
V
IN
= –0.5 dB, f
S
= 96 kHz
(6)
–93
THD+N Total harmonic distortion + noise dB
V
IN
= –60 dB, f
S
= 44.1 kHz –41
V
IN
= –60 dB, f
S
= 96 kHz
(6)
–41
f
S
= 44.1 kHz, A-weighted 100 103
Dynamic range dB
f
S
= 96 kHz, A-weighted
(6)
103
f
S
= 44.1 kHz, A-weighted 100 103
SNR Signal-to-noise ratio dB
f
S
= 96 kHz, A-weighted
(6)
103
f
S
= 44.1 kHz 95 98
Channel separation dB
f
S
= 96 kHz
(6)
99
ANALOG INPUT
V
I
Input voltage 0.6 V
CC
Vp-p
Center voltage (V
REF
1) 0.5 V
CC
V
Input impedance 40 k Ω
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
t
GD
Group delay time 17.4/f
S
s
HPF frequency response –3 dB 0.019 f
S
mHz
POWER SUPPLY REQUIREMENTS
V
CC
4.5 5 5.5 Vdc
Supply voltage range
V
DD
2.7 3.3 3.6 Vdc
7.7 10 mA
I
CC
Power down
(8)
5 µ A
Supply current
(7)
f
S
= 44.1 kHz 6.5 9 mA
I
DD
f
S
= 96 kHz
(6)
11.7 mA
Power down
(8)
1 µ A
f
S
= 44.1 kHz 60 80 mW
Power dissipation f
S
= 96 kHz
(6)
77 mW
Power down
(8)
28 µ W
TEMPERATURE RANGE
T
A
Operating free-air temperature –40 85 °C
θ
JA
Thermal resistance 20-pin SSOP 115 °C/W
(5) Analog performance specifications are tested using the System Two™ audio measurement system by Audio Precision™, using 400-Hz
HPF, 20-kHz LPF in rms mode.
(6) f
S
= 96 kHz, system clock = 256 f
S
, oversampling ratio = ×64.
(7) Minimum load on DOUT (pin 12), BCK (pin 11), LRCK (pin 10)
(8) Halt SCKI, BCK, LRCK
5
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