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參數(shù)資料
| 型號： | CXA1843Q |
| 廠商： | Sony Corporation |
| 英文描述： | High-Speed Sample-and-Hold IC |
| 中文描述： | 高速采樣保持集成電路 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 518K |
| 代理商： | CXA1843Q |
High-Speed Sample-and-Hold IC
For the availability of this product, please contact the sales office.
Description
The CXA1843Q is a bipolar IC designed to sample-
and-hold video and various other signals with high
speed. It is ideal for video and other signal
conversions.
Features
Maximum operating rate = 33MHz (min.)
Low power consumption: 320mW
S/H clock pulse generator circuit
Built-in clock pulse generator for A/D converter
Applications
When used in combination of the CXA1844Q, the
CXA1843Q achieves A/D conversion.
Absolute Maximum Ratings
(Ta = 25°C)
Supply voltage V
CC
V
EE
Input voltage
(VIN pin)
V
IN
(REFIN pin)
V
REFIN
(CLKIN pin)
V
CLK
GND – 0.5 to DV
CC
+ 0.3 V
(REX 2, 3, 4 pins)
V
REX2, 3, 4
GND to GND + 4
Reference voltage
(REFFB pin)
V
REFFB
(REFOUT pin)
V
REFOUT
V
EE
to AV
CC
+ 0.3
Output current
(REFFOUT pin) I
REFOUT
(SHOUT pin)
I
SHOUT
(CLKOUT pin)
I
ADC
Storage temperature
Tstg
Allowable power dissipation
P
D
7
V
V
–7
V
EE
to AV
CC
+ 0.3
+1 to AV
CC
+ 0.3
V
V
V
V
EE
to +3
V
V
–1 to +1
–12 to +12
–1.5 to +1.5
mA
mA
mA
–65 to +150
°C
1.1
W
Operating Conditions
Supply voltage
V
CC
V
EE
4.75 to 5.25
–4.75 to –5.25
V
V
Operating temperature
T
opr
–20 to +75
°C
Structure
Bipolar silicon monolithic IC
Block Diagram and Pin Configuration
– 1 –
E92855B7Y
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
CXA1843Q
32 pin QFP (PIastic)
A/D CONVERTER
PULSE
GENERATOR
SAMPLE HOLD
PULSE
GENERATOR
REF DC
SHIFT
NC
REFFB
REFOUT
AV
EE
3
AV
CC
3
SHOUT
AV
EE
2
NC
NC
DV
EE
1
REX3
REX4
DV
EE
2
DV
CC
3
CLK IN
NC
A
C
1
H
V
A
E
1
C
N
N
N
D
C
2
D
C
1
C
G
N
R
R
A
C
4
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
SAMPLE
HOLD
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