TDA8765 데이터 시트보기 (PDF) - Philips Electronics
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TDA8765 Datasheet PDF : 20 Pages
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Philips Semiconductors
10-bit high-speed Analog-to-Digital
Converter (ADC)
APPLICATION INFORMATION
Preliminary specification
TDA8765
220 nF
handbook, full pagewidth
IN
100 Ω
4.7 µF
1:1
VI
100 Ω
VI
VCCA
R1
n.c.
10 nF
5V
R2 100 nF
n.c.
n.c.
n.c.
100 nF n.c.
5V
100 nF (3)
Vref
5 V SH 5 V
100 nF
mode
100 nF
44 43 42 41 40 39 38 37 36 35 34
1
33
2
32
3
31
4
30
5
29
6
TDA8765
28
7
27
8
26
9
25
10
24
11
23
12 13 14 15 16 17 18 19 20 21 22
CLK
(1)
CLK
5V
100 nF
n.c
n.c.
D0 (LSB)
D1
D2
D3
D4
D5
D6
D7
n.c. n.c. n.c.
5V
n.c.
100 nF
IR D8
D9
(MSB)
chip select input
MGK802
output format select
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, the minimum current into these resistors should be about 1 mA in order to ensure a sufficient analog input stability.
(3) Vref must be decoupled to VCCA.
Fig.7 Application diagram.
1999 Jan 06
14
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