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ADSD-1402S 参数 Datasheet PDF下载

ADSD-1402S图片预览
型号: ADSD-1402S
PDF下载: 下载PDF文件 查看货源
内容描述: 双通道, 14位, 2MSPS采样A / D转换器 [Dual, 14-Bit, 2MSPS Sampling A/D Converter]
分类和应用: 转换器
文件页数/大小: 5 页 / 171 K
品牌: MURATA-PS [ MURATA POWER SOLUTIONS INC. ]
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®
®
ADSD-1402
Dual, 14-Bit, 2MSPS
Sampling A/D Converter
FEATURES
14-bit resolution; 2MSPS sampling rate
Functionally complete; ±5V input range
No missing codes over full temperature range
Edge-triggered; No pipeline delays
±5V supplies, 0.725 Watts
Small, 40-pin, side-brazed, ceramic TDIP
79dB SNR, –80dB THD
Ideal for both time and frequency domain applications
Out-of-range indicator
INPUT/OUTPUT CONNECTIONS
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
FUNCTION
INPUT A
+5VA
ANALOG GROUND
GAIN A
OFFSET A
RANGE
2.5V REF
ANALOG GROUND
–5V
ENABLE A
START A
+5VD
BIT 14 (LSB)
BIT 13
BIT 12
BIT 11
BIT 10
BIT 9
BIT 8
DGND
PIN
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
FUNCTION
INPUT B
+5VA
ANALOG GROUND
GAIN B
OFFSET B
N/C
N/C
ANALOG GROUND
–5V
ENABLE B
START B
EOC
BIT 1 (MSB)
BIT 2
BIT 3
BIT 4
BIT 5
BIT 6
BIT 7
DGND
GENERAL DESCRIPTION
DATEL's ADSD-1402 is a functionally complete, dual 14-bit,
2MSPS, sampling A/D converter. Its standard, 40-pin, triple-
wide ceramic DIP contains two fast-settling sample/hold
amplifiers, two 14-bit A/D converters, multiplexed output
buffers, a precision reference, and all the timing and control
logic necessary to operate from either two or a single start
convert pulse.
The ADSD-1402 is optimized for wideband frequency-
domain applications and is fully FFT tested. The ADSD-1402
requires only ±5V supplies and typically consumes 0.725
Watts. Models are available in either commercial
0 to +70°C or military -55 to +125°C operating temperature ranges.
O F F S E T A D J U S T A
A N A L O G
IN P U T A
5
1
8 0 0
+
–
S /H 1
A D C
1
2 8
2 7
A M P
2 6
2 5
–
8 0 0
+
S /H 2
A D C
2
2 4
2 3
2 2
1 9
A M P
B U F F E R
R E F
1 8
1 7
1 6
1 5
1 4
1 3
B U F F E R
B 1 (M S B )
B 2
B 3
B 4
B 5
B 6
B 7
B 8
B 9
B 1 0
B 1 1
B 1 2
B 1 3
B 1 4
O F F S E T A D J U S T B 3 6
A N A L O G
IN P U T B
4 0
R A N G E
E N A B L E B
6
3 1
E N A B L E A 1 0
S T A R T C O N A
S T A R T C O N B
1 1
3 0
T IM IN G A N D
C O N T R O L L O G IC
E O C 2 9
1 2
+ 5 V D
9 , 3 2
– 5 V
2 , 3 9
+ 5 V A
3 , 8 , 3 3 , 3 8 ,
A G N D
2 0 , 2 1
D G N D
3 4 , 3 5
N /C
Figure 1. ADSD-1402 Functional Block Diagram
DATEL, Inc., 11 Cabot Boulevard, Mansfield, MA 02048-1151 (U.S.A.)
Tel: (508) 339-3000 Fax: (508) 339-6356
For immediate assistance: (800) 233-2765