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參數資料
| 型號： | 935245410557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | ADC |
| 英文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP44 |
| 封裝： | PLASTIC, SOT-307-2, QFP-44 |
| 文件頁數： | 5/23頁 |
| 文件大小： | 183K |
| 代理商： | 935245410557 |
1998 Aug 26
13
Philips Semiconductors
Preliminary specication
12-bit high-speed Analog-to-Digital
Converter (ADC)
TDA8768
APPLICATION INFORMATION
Fig.5 Application diagram.
The analog, digital and output supplies should be separated and decoupled.
(1) Single-ended clock signals can be applied if required.
(2) R1 and R2 must be determined in order to obtain a middle voltage of 3.6 V; see common mode input voltage.
In addition, to ensure a sufficient analog input stability, the minimum current into these resistors must be approximately 1 mA.
(3) Vref must be decoupled to VCCA.
handbook, full pagewidth
MGR471
1
2
3
4
5
6
7
8
9
10
11
12
n.c.
13 14 15 16 17 18 19 20 21 22
IR
D11
(MSB)
D10
TDA8768
44 43 42 41 40 39 38 37 36 35 34
33
32
31
30
29
28
26
25
24
23
27
D2
D1
D0 (LSB)
5 V
D3
D4
D5
D6
D7
D8
D9
100 nF
5 V
100
nF
100
nF
100
nF
output format select
chip select input
5 V
100
nF
Vref
(3)
5 V
n.c.
CLK
100 nF
5 V
SH
mode
(2)
(1)
VI
100
100
R1
VCCA
R2
4.7
F
10
nF
220 nF
input
1 : 1
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