Datasheet
PCM1680
www.ti.com
.................................................................................................................................................. SLES133B – MARCH 2005 – REVISED OCTOBER 2008
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A
= +25 ° C, V
CC
= V
DD
= 5 V, f
S
= 48 kHz, system clock = 512 f
S
, and 24-bit data, unless otherwise noted.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DIGITAL INPUT/OUTPUT
Logic family TTL-compatible
V
IH
2
Input logic level V
DC
V
IL
0.8
I
IH
(1)
V
IN
= V
CC
10
I
IL
(1)
V
IN
= 0 V – 10
Input logic current µ A
I
IH
(2)
V
IN
= V
CC
65 100
I
IL
(2)
V
IN
= 0 V – 10
V
OH
(3)
I
OH
= – 1 mA 2.4
Output logic level V
DC
V
OL
(4)
I
OL
= 1 mA 0.4
DYNAMIC PERFORMANCE
(5)
V
OUT
= 0 dB, f
S
= 48 kHz 0.002 0.008
V
OUT
= 0 dB, f
S
= 96 kHz, system
0.003
THD+N Total harmonic distortion + noise clock = 256 f
S
%
V
OUT
= 0 dB, f
S
= 192 kHz, system
0.004
clock = 128 f
S
EIAJ, A-weighted, f
S
= 48 kHz 100 105
A-weighted, f
S
= 96 kHz, system
103
Dynamic range clock = 256 f
S
dB
A-weighted, f
S
= 192 kHz, system
102
clock = 128 f
S
EIAJ, A-weighted, f
S
= 48 kHz 100 105
A-weighted, f
S
= 96 kHz, system
103
SNR Signal-to-noise ratio clock = 256 f
S
dB
A-weighted, f
S
= 192 kHz, system
102
clock = 128 f
S
f
S
= 48 kHz 94 103
Channel separation f
S
= 96 kHz, system clock = 256 f
S
101 dB
f
S
= 192 kHz, system clock = 128 f
S
100
DC ACCURACY
Gain error ± 1 ± 6 % of FSR
Gain mismatch, channel-to-channel ± 1 ± 6 % of FSR
Bipolar zero error V
OUT
= 0.486 V
CC
at BPZ input ± 30 ± 80 mV
ANALOG OUTPUT
Output voltage Full-scale ( – 0 dB) 0.78 V
CC
V
PP
Bipolar zero voltage 0.486 V
CC
V
DC
Load impedance AC-coupled load 5 k Ω
DIGITAL FILTER PERFORMANCE
Filter Characteristics (Sharp Roll-Off)
Passband ± 0.04 dB 0.454 f
S
Stop band 0.546 f
S
Passband ripple ± 0.04 dB
Stop-band attenuation Stop band = 0.546 f
S
– 50 dB
(1) Pins 5, 6, 7, 8, 11, 12, 13: SCK, DATA1, BCK, LRCK, DATA2, DATA3, DATA4.
(2) Pins 2, 3, 4, 14: MS/ADR, MC/SCL, MD/SDA, MSEL.
(3) Pins 1, 28: ZERO1, ZERO2.
(4) Pins 1, 4, 28: ZERO1, MD/SDA, ZERO2.
(5) Analog performance characteristics are measured using the System Two™ Cascade audio measurement system by Audio Precision™.
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