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參數資料
| 型號： | PCM1804DB |
| 英文描述： | FULL DIFFERENTIAL ANALOG INPUT 24-BIT, 192-kHz STEREO A/D CONVERTER |
| 中文描述： | 全差分模擬輸入24位，192千赫立體聲A / D轉換器 |
| 文件頁數： | 5/31頁 |
| 文件大小： | 470K |
| 代理商： | PCM1804DB |
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PCM1804
SLES022A
–
DECEMBER 2001
5
www.ti.com
electrical characteristics, all specifications at T
A
= 25
°
C, V
CC
= 5 V, V
DD
= 3.3 V, master mode,
single-speed mode, f
S
= 48 kHz, system clock = 256 f
S
, 24-bit data (unless otherwise noted)
PARAMETER
TEST CONDITIONS
PCM1804DB
MIN
UNIT
TYP
MAX
Resolution
24
Bits
DATA FORMAT
Audio data interface format
Standard, I2S,
left justified
Audio data bit length
24-bits
Audio data format
MSB first,
2s complement, DSD
DIGITAL INPUT/OUTPUT
Logic family
TTL compatible
VIH
High level input voltage
High-level input voltage
See Notes 1 and 2
2
5.5
VDC
See Note 3
2
VDD
0.8
VIL
Low-level input voltage
See Notes 1, 2, and 3
VDC
VIN = VDD,
VIN = VDD,
VIN = VDD,
VIN = 0 V,
VIN = 0 V,
IOH =
–
1 mA,
IOL = 1 mA,
See Note 1
65
100
±
10
±
100
±
10
±
50
IIH
High-level input current
High level in ut current
See Note 2
μ
A
See Note 3
IIL
Low level input current
Low-level input current
See Notes 1 and 2
See Note 3
μ
A
VOH
VOL
CLOCK FREQUENCY
High-level output voltage
See Note 4
2.4
VDC
Low-level output voltage
See Note 5
0.4
VDC
fS
Sampling frequency
32
192
kHz
256 fS, Single rate, See Note 5
384 fS, Single rate, See Note 5
512 fS, Single rate, See Note 5
768 fS, Single rate, See Note 5
256 fS, Dual rate,
384 fS, Dual rate,
128 fS, Quad rate, See Note 7
192 fS, Quad rate, See Note 7
12.288
18.432
24.576
System clock frequency
36.864
MHz
See Note 6
24.576
See Note 6
36.864
24.576
36.864
DC ACCURACY
Gain mismatch channel-to-channel
±
3
±
4
%/FSR
Gain error (VIN =
–
0.5 dB)
Bipolar zero error
1. Pins 6
–
11, 19: FMT0, FMT1, S/M, OSR0, OSR1, OSR2, RST (Schmitt-trigger input with internal pulldown (51 k
typically), 5 V
tolerant)
2. Pin 18: SCKI (Schmitt-trigger input, 5 V tolerant)
3. Pins 12, 16
–
17: BYPAS, BCK/DSDL, LRCK/DSDBCK (in slave mode, Schmitt-trigger input)
4. Pins 15
–
17, 20, and 21: DATA/DSDR, BCK/DSDL, LRCK/DSDBCK (in master mode), OVFR, OVFL
5. Single rate, fS = 48 kHz
6. Dual rate, fS = 96 kHz
7. Quad rate, fS = 192 kHz
%/FSR
HPF bypass
±
0.2
%/FSR
NOTES:
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