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參數(shù)資料
| 型號： | TDA9923AHW |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | ADC |
| 英文描述： | 4-CH 12-BIT RESISTANCE LADDER ADC, SERIAL ACCESS, PQFP48 |
| 封裝： | 7 X 7 MM, 1.00 MM HEIGHT, PLASTIC, MS-026, SOT545-3, QFP-48 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 118K |
| 代理商： | TDA9923AHW |
9397 750 14207
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Objective data sheet
Rev. 01 — 6 February 2006
3 of 20
Philips Semiconductors
TDA9923A
Quad 12-bit, up to 40 Msample/s analog-to-digital converter
6.
Block diagram
Fig 1.
Block diagram
31
SST
33
SCLK
32
SDAT
38
DSTP
37
DSTN
48
DCLKP
47
DCLKN
SERIALIZER
12 bits
+ IR
DIGITAL
DECODER
SAMPLE
AND HOLD
LATCHES
LADDER
ADC
40
DAT4P
39
DAT4N
001aac134
TDA9923A
VRB2
28
22
23
VI4P
VI4N
8
VCCA1
3
VCCD1
2
VCCO1
35
VCCO2
1
GND1
12
GND2
25
GND3
36
GND4
7
VCCD2
30
VCCD3
34
VCCD4
11
VCCA2
16
VCCA3
21
VCCA4
26
VCCA5
29
VCCA6
SERIALIZER
12 bits
+ IR
DIGITAL
DECODER
SAMPLE
AND HOLD
LATCHES
LADDER
ADC
42
DAT3P
41
DAT3N
19
20
VI3P
27
VRT2
VI3N
24
SREF2
SERIALIZER
12 bits
+ IR
DIGITAL
DECODER
SAMPLE
AND HOLD
LATCHES
LADDER
ADC
44
DAT2P
43
DAT2N
VRB1
9
18
17
VI2P
VI2N
SERIALIZER
12 bits
+ IR
DIGITAL
DECODER
SAMPLE
AND HOLD
SERIAL
INTERFACE
4
CLKI
5
CLKIN
6
STDBY
CLOCK
DRIVER
PLL
(
×14)
LATCHES
LADDER
ADC
46
DAT1P
45
DAT1N
15
14
VI1P
10
VRT1
VI1N
13
SREF1
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