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參數資料
| 型號： | 935020320118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | ADC |
| 英文描述： | 1-CH 8-BIT RESISTANCE LADDER ADC, PARALLEL ACCESS, PDSO24 |
| 封裝： | PLASTIC, SO-24 |
| 文件頁數： | 6/18頁 |
| 文件大小： | 96K |
| 代理商： | 935020320118 |
1996 Aug 26
14
Philips Semiconductors
Product specication
8-bit high-speed analog-to-digital converter
TDA8703
APPLICATION INFORMATION
Additional application information will be supplied upon request (please quote number FTV/8901).
Fig.13 Application diagram.
handbook, full pagewidth
MGA014 - 1
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
TDA8703
TDA8703T
D0
D1
D2
D3
D4
D5
D6
DGND
CLK
AGND
DEC
VI
O / UF
D7
n.c.
CLK
CE
V
RB
V
RT
V
CCA
V
CCD
n.c.
V
CCO
TC
DGND
AGND
100 pF
47 pF
4.7
F
22 nF
5 V
22
(1)
4.7
F
CLK should be decoupled to the DGND with a 100 nF capacitor, if a TTL signal is used on CLK (see Chapter “Characteristics”, note 1).
CLK and CLK can be used in a differential mode (see Chapter “Characteristics”, note 1).
VRB and VRT are decoupling pins for the internal reference ladder; do not draw current from these pins in order to achieve good linearity.
If it is required to use the TDA8703 in a parallel system configuration, the references (VRB and VRT) of each TDA8703 can be connected together.
Code 0 will be identical and code 255 will remain in the 1 LSB variation for each TDA8703.
Analog and digital supplies should be separated and decoupled.
Pins 6 and 10 should be connected to AGND in order to prevent noise influence.
(1) It is recommended to decouple VCCO through a 22 resistor especially when the output data of the TDA8703 interfaces with a capacitive CMOS
load device.
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