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PCM1802 数据表(PDF) 4 Page - Texas Instruments

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部件名 PCM1802
功能描述  SINGLE-ENDED ANALOG-INPUT 24-BIT, 96-kHz STEREO A/D CONVERTER
PDF  24 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

PCM1802 数据表(HTML) 4 Page - Texas Instruments

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PCM1802
SLES023B – DECEMBER 2001 – REVISED MARCH 2002
4
www.ti.com
electrical characteristics, all specifications at TA = 25°C, VCC = 5 V, VDD = 3.3 V, master mode,
fS = 44.1 kHz, system clock = 384 fS, over sampling ratio = ×128, 24-bit data (unless otherwise
noted)
TEST CONDITIONS
PCM1802DB
UNIT
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Resolution
24
bits
DATA FORMAT
Audio data interface format
Left justified, I2S,
right justified
Audio data bit length
20, 24
bits
Audio data format
MSB first, 2s complement
fS
Sampling frequency
16
44.1
96
kHz
256 fS
4.096
11.2896
24.576
System clock frequency
384 fS
6.144
16.9344
36.864
MHz
System clock frequency
512 fS
8.192
22.5792
49.152
MHz
768 fS
12.288
33.8688
INPUT LOGIC
VIH
See Note 1
2
VDD
VIL
See Note 1
Input logic level
0
0.8
VDC
VIH
See Note 2
Input logic level
2
5.5
VDC
VIL
See Note 2
0
0.8
IIH
See Note 3
VIN = VDD
±10
IIL
See Note 3
Input logic current
VIN = 0 V
±10
A
IIH
See Note 4
Input logic current
VIN = VDD
65
100
µA
IIL
See Note 4
VIN = 0 V
±10
OUTPUT LOGIC
VOH
See Note 5
Output logic level
IOUT = –1 mA
2.8
VDC
VOL
See Note 5
Output logic level
IOUT = 1 mA
0.5
VDC
DC ACCURACY
Gain mismatch channel-to-channel
±1
±4
%FSR
Gain error
±2
±6
%FSR
Bipolar zero error
LCF bypass (see Note 6)
±2
%FSR
NOTES:
1. Pins 9–11: FSYNC, LRCK, BCK (Schmitt-trigger input, in slave mode)
2. Pins 7–8, 15–20: PDWN, BYPAS, SCKI, OSR, FMT0, FMT1, MODE0, MODE1 (Schmitt-trigger input, 5-V tolerant).
3. Pins 9–11, 15: FSYNC, LRCK, BCK (Schmitt-trigger input in slave mode), SCKI (Schmitt-trigger input).
4. Pins 7–8, 16–20: PDWN, BYPAS, OSR, FMT0, FMT1, MODE0, MODE1 (Schmitt-trigger input, with 50-k
Ω typical pulldown
resistor).
5. Pins 9–12: FSYNC, LRCK, BCK (in master mode), DOUT
6. Low cut filter



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