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| 型號(hào)： | PCM1808PWR |
| 英文描述： | SINGLE-ENDED, ANALOG-INPUT 24-BIT, 96-kHz STEREO A/D CONVERTER |
| 中文描述： | 單端模擬輸入24位，96千赫立體聲A / D轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 3/23頁(yè) |
| 文件大小： | 214K |
| 代理商： | PCM1808PWR |
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ELECTRICAL CHARACTERISTICS
All specifications at T
A
= 25
°
C, V
CC
= 5 V, V
DD
= 3.3 V, master mode, f
S
= 48 kHz, system clock = 512 f
S
, 24-bit data, unless
otherwise noted
PCM1808
SLES177A–APRIL 2006–REVISED AUGUST 2006
PARAMETER
Resolution
TEST CONDITIONS
MIN
TYP
24
MAX
UNIT
Bits
DATA FORMAT
Audio data interface format
Audio data bit length
Audio data format
Sampling frequency
I
2
S, left-justified
24
Bits
MSB-first, 2s complement
8
2.048
3.072
4.096
f
S
48
96
kHz
256 f
S
384 f
S
512 f
S
12.288
18.432
24.576
24.576
36.864
49.152
System clock frequency
MHz
INPUT LOGIC
V
IH(1)
V
IL(1)
V
IH(2)(3)
IL(2)(3)
I
IH(2)
I
IL(2)
I
IH(1)(3)
I
IL(1)(3)
OUTPUT LOGIC
V
OH(4)
V
OL(4)
DC ACCURACY
2
0
2
0
V
DD
0.8
5.5
0.8
±
10
±
10
100
±
10
Input logic level
VDC
V
IN
= V
DD
V
IN
= 0 V
V
IN
= V
DD
V
IN
= 0 V
Input logic current
μ
A
65
I
OUT
= –4 mA
I
OUT
= 4 mA
2.8
Output logic level
VDC
0.5
Gain mismatch, channel-to-channel
Gain error
DYNAMIC PERFORMANCE
(5)
±
1
±
3
±
3
±
6
% of FSR
% of FSR
V
IN
= –0.5 dB, f
S
= 48 kHz
V
IN
= –0.5 dB, f
S
= 96 kHz
(6)
V
IN
= –60 dB, f
S
= 48 kHz
V
IN
= –60 dB, f
S
= 96 kHz
(6)
f
S
= 48 kHz, A-weighted
f
S
= 96 kHz, A-weighted
(6)
f
S
= 48 kHz, A-weighted
f
S
= 96 kHz, A-weighted
(6)
f
S
= 48 kHz
f
S
= 96 kHz
(6)
–93
–87
–37
–39
99
101
99
101
97
91
–87
THD + N
Total harmonic distortion + noise
dB
95
Dynamic range
dB
95
S/N
Signal-to-noise ratio
dB
93
Channel separation
dB
(1)
(2)
(3)
(4)
(5)
Pins 7, 8: LRCK, BCK (Schmitt-trigger input, with 50-k
typical pulldown resistor, in slave mode)
Pin 6: SCKI (Schmitt-trigger input, 5-V tolerant)
Pins 10–12: MD0, MD1, FMT (Schmitt-trigger input, with 50-k
typical pulldown resistor, 5-V tolerant)
Pins 7–9: LRCK, BCK (in master mode), DOUT
Analog performance specifications are tested using a System Two audio measurement system by Audio Precision with 400-Hz HPF
and 20-kHz LPF in RMS mode.
f
S
= 96 kHz, system clock = 256 f
S
.
(6)
3
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