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參數(shù)資料
| 型號(hào)： | ADS-942A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 串行ADC |
| 英文描述： | 14-Bit, 2MHz, Low-Power Sampling A/D Converters |
| 中文描述： | 14位，2MHz的，低功耗采樣A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 76K |
| 代理商： | ADS-942A |
ADS -942A
14-Bit, 2MHz, Low-Power
Sampling A/D Converters
FEATURES
14-bit resolution
2MHz minimum throughput
Low-power, 2.2 Watts
Functionally complete
Internal reference and S/H amplifier
78dB signal-to-noise ratio
Full Nyquist-rate sampling
Small 32-pin TDIP
GENERAL DESCRIPTION
DATEL's ADS-942A is a functionally complete, 14-bit, 2MHz,
sampling A/D converter. Packaged in a 32-pin TDIP, the unit
contains a fast-settling sample/hold amplifier, a 14-bit
subranging (two-pass) A/D converter, a precision reference,
three-state output register, and all the timing/control logic
necessary to operate from a single start convert pulse.
The ADS-942A is optimized for wideband frequency-domain
applications and is fully FFT tested. The ADS-942A requires
±15V and ±5V supplies and typically consumes 2.2 Watts
INPUT/OUTPUT CONNECTIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
+10V REF. OUT
BIPOLAR
AVALOG INPUT
SIGNAL GROUND
OFFSET ADJUST
ANALOG GROUND
OVERFLOW
CODING SELECT
ENABLE
+5V SUPPLY
DIGITAL GROUND
+15V SUPPLY
–15V SUPPLY
–5V SUPPLY
ANALOG GROUND
EOC
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
START CONVERT
BIT 1 OUT (MSB)
BIT 1 OUT (MSB)
BIT 2 OUT
BIT 3 OUT
BIT 4 OUT
BIT 5 OUT
BIT 6 OUT
BIT 7 OUT
BIT 8 OUT
BIT 9 OUT
BIT 10 OUT
BIT 11 OUT
BIT 12 OUT
BIT 13 OUT
BIT 14 OUT (LSB)
PIN
FUNCTION
PIN
FUNCTION
REF
R
R
31 BIT 1 OUT (MSB)
30 BIT 1 OUT (MSB)
29 BIT 2 OUT
28 BIT 3 OUT
27 BIT 4 OUT
26 BIT 5 OUT
25 BIT 6 OUT
24 BIT 7 OUT
23 BIT 8 OUT
22 BIT 9 OUT
21 BIT 10 OUT
20 BIT 11 OUT
19 BIT 12 OUT
18 BIT 13 OUT
17 BIT 14 OUT (LSB)
TIMING AND
CONTROL LOGIC
+10V REF. OUT 1
START CONVERT 32
EOC 16
D
DAC
FLASH
ADC
BUFFER
ANALOG INPUT 3
S
2
S
1
4
SIGNAL
GROUND
11
DIGITAL
GROUND
12
+15V
SUPPLY
3
S/H
OFFSET
CIRCUIT
BIPOLAR 2
OFFSET ADJUST 5
10
+5V
SUPPLY
6, 15
ANALOG
GROUND
8
CODING
SELECT
13
–15V
SUPPLY
9 ENABLE
7 OVERFLOW
14
–5V
SUPPLY
Figure 1. ADS-942A 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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADS-942AMC | 14-Bit, 2MHz, Low-Power Sampling A/D Converters |
| ADS-942AME | 14-Bit, 2MHz, Low-Power Sampling A/D Converters |
| ADS-943 | 14-Bit, 3MHz, Low-Distortion Sampling A/D Converters |
| ADS-943GM | 14-Bit, 3MHz, Low-Distortion Sampling A/D Converters |
| ADS-943MC | 14-Bit, 3MHz, Low-Distortion Sampling A/D Converters |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS-942AMC | 制造商:Murata Power Solutions 功能描述:ADC Single 2-Step Flash 2Msps 14-bit Parallel 32-Pin TDIP |
| ADS-942AME | 制造商:Murata Power Solutions 功能描述:ADC Single 2-Step Flash 2Msps 14-bit Parallel 32-Pin TDIP |
| ADS-942MC | 制造商:Murata Power Solutions 功能描述:ADC Single 2-Step Flash 2Msps 14-bit Parallel 32-Pin PDIP |
| ADS-942ME | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 14-Bit |
| ADS-942MM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 14-Bit |
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