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| 型號(hào)： | PCM1851PJT |
| 英文描述： | 24-BIT, 96-kHz STEREO A/D CONVERTER WITH 6 X 2-CHANNEL MUX AND PGA |
| 中文描述： | 24位，96千赫立體聲A / D轉(zhuǎn)換器6 × 2通道的MUX和PGA |
| 文件頁(yè)數(shù)： | 7/30頁(yè) |
| 文件大?。?/td> | 370K |
| 代理商： | PCM1851PJT |
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PCM1850
PCM1851
SLES108
MARCH 2004
www.ti.com
7
ELECTRICAL CHARACTERISTICS (Continued)
All specifications at T
A
= 25
°
C, V
CC
= 5 V, V
DD
= 3.3 V, master mode, f
S
= 48 kHz, system clock = 256 f
S
, 24-bit data, unless otherwise noted
PARAMETER
TEST CONDITIONS
PCM1850PJT PCM1851PJT
UNIT
MIN
TYP
MAX
DYANAMIC PEFORMANCE
(1) (2)
f
S
= 48 kHz, V
IN
= –0.5 dB (1.89 Vrms)
f
S
= 96 kHz
(4),
V
IN
= –0.5 dB (1.89
Vrms)
f
S
= 48 kHz, V
IN
= –60 dB (2 mVrms)
f
S
= 96 kHz
(4),
V
IN
= –60 dB (2 mVrms)
f
S
= 48 kHz, A-weighted
f
S
= 96 kHz
(4)
, A-weighted
f
S
= 48 kHz, A-weighted
f
S
= 96 kHz
(4)
, A-weighted
f
S
= 48 kHz
f
S
= 96 kHz
(4)
f
S
= 48 kHz
f
S
= 96 kHz
(4)
0.0023%
0.004%
THD+N
(3)
0.0027%
THD+N
(3)
1%
1%
102
102
101
102
98
100
96
96
Dynamic range
(3)
96
dB
S/N ratio
(3)
96
dB
Channel separation (between L-ch and
Channel separation (between L ch and
R-ch)
(3)
92
dB
Channel separation (among channels)
(5)
90
dB
DIGITAL FILTER PERFORMANCE
Pass band
Stop band
Pass-band ripple
Stop-band attenuation
Delay time
HPF frequency response
POWER SUPPLY REQUIREMENTS
V
CC
V
DD
0.454 f
S
Hz
Hz
dB
dB
s
mHz
0.583 f
S
±
0.05
–65
17.4/f
S
0.019 f
S
–3 dB
4.5
2.7
5
5.5
3.6
35
VDC
VDC
mA
μ
A
Voltage range
3.3
28
190
6
12
80
280
160
180
1.2
1.9
I
CC
Operation
Power down
(7)
f
S
= 48 kHz
f
S
= 96 kHz
(4)
Power down
(7)
, PCM1850
Power down
(7)
, PCM1851
f
S
= 48 kHz
f
S
= 96 kHz
(4)
PCM1850
PCM1851
Supply current
(6)
10
mA
I
DD
μ
A
Power dissipation operation
Power dissipation, operation
208
mW
Power dissipation power down
Power dissipation, power down
(7)
TEMPERATURE RANGE
Operation temperature
Thermal resistance (
θ
JA
)
(1)
Analog performance specifications are tested with the System Two
audio measurement system by Audio Precision
, using a 400-Hz HPF and
20-kHz LPF in the RMS mode at f
IN
= 1 kHz.
(2)
Reference level (0 dB) is specified as 2-V rms input on V
IN
L[1:6] and V
IN
R[1:6] pins with PGA gain of –5.5 dB.
(3)
Unselected channel inputs are terminated to AGND with 0.33
μ
F.
(4)
f
S
= 96 kHz, system clock = 256 f
S
.
(5)
2-V rms input is applied to all unselected channels, and input of selected channel is terminated to AGND with 0.33
μ
F.
(6)
Minimum load on DOUT (pin 3), BCK (pin 2), LRCK (pin 1)
(7)
Halt SCKI, BCK, LRCK.
–40
85
°
C
80
°
C/W
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