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參數(shù)資料
| 型號(hào)： | ADS-926GM |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 串行ADC |
| 英文描述： | 14-Bit, 500kHz, Low-Power Sampling A/D Converters |
| 中文描述： | 14位，為500kHz，低功耗采樣A / D轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 151K |
| 代理商： | ADS-926GM |
ADS -926
14-Bit, 500kHz, Low-Power
Sampling A/D Converters
Figure 1. ADS-926 Functional Block Diagram
FEATURES
14-bit resolution
500kHz sampling rate
Functionally complete; No missing codes
Small 24-pin DDIP or SMT package
Operates from ±15V or ±12V supplies
Low power, 1.75 Watts maximum
Samples up to Nyquist frequencies
Outstanding dynamic performance
Bipolar ±5V input range
GENERAL DESCRIPTION
The ADS-926 is a high-performance, 14-bit, 500kHz sampling
A/D converter. This device accurately samples full-scale input
signals up to Nyquist frequencies with no missing codes and
exhibits outstanding dynamic performance that surpasses
most 16-bit, 500kHz sampling A/D's. THD and SNR, for
example, are typically –90dB and 80dB when converting full-
scale input signals up to 100kHz.
Housed in a small 24-pin DDIP or SMT (gull-wing) package,
the functionally complete ADS-926 contains a fast-settling
sample-hold amplifier, a subranging (two-pass) A/D converter,
a precise voltage reference, timing/control logic, and error-
correction circuitry. Digital input and output levels are TTL.
Requiring ±15V (or ±12V) and +5V supplies, the ADS-926
dissipates only 1.75W (1.6W for ±12V), maximum. The unit is
offered with a bipolar input (–5V to +5V). Models are available
for use in either commercial (0 to +70°C) or military (–55 to
+125°C) operating temperature ranges.
Applications include radar, sonar, spectrum analysis, and
graphic/medical imaging. Contact DATEL for information on
devices screened to MIL-STD-883.
INPUT/OUTPUT CONNECTIONS
PIN
FUNCTION
PIN
FUNCTION
1
2
3
4
5
6
7
8
9
10
11
12
BIT 14 (LSB)
BIT 13
BIT 12
BIT 11
BIT 10
BIT 9
BIT 8
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
24
23
22
21
20
19
18
17
16
15
14
13
–12V/–15V SUPPLY
ANALOG GROUND
+12V/+15V SUPPLY
+10V REFERENCE OUT
ANALOG INPUT
ANALOG GROUND
BIT 1 (MSB)
BIT 2
START CONVERT
EOC
DIGITAL GROUND
+5V SUPPLY
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
REF
R
R
18 BIT 1 (MSB)
17 BIT 2
12 BIT 3
11 BIT 4
10 BIT 5
9 BIT 6
8 BIT 7
7 BIT 8
6 BIT 9
5 BIT 10
4 BIT 11
3 BIT 12
2 BIT 13
1 BIT 14 (LSB)
TIMING AND
CONTROL LOGIC
+10V REF. OUT 21
START CONVERT 16
EOC 15
D
DAC
FLASH
ADC
BUFFER
–
+
S/H
ANALOG INPUT 20
13
+5V SUPPLY
22
+12V/+15V SUPPLY
19, 23
ANALOG GROUND
14
DIGITAL GROUND
24
–12V/–15V SUPPLY
S
2
S
1
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相關(guān)代理商/技術(shù)參數(shù) |
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| ADS-926MC | 制造商:Murata Power Solutions 功能描述:Single ADC 2-Step Flash 500ksps 14-bit Parallel 24-Pin CDDIP |
| ADS-926MM | 制造商:Murata Power Solutions 功能描述:Single ADC 2-Step Flash 500ksps 14-bit Parallel 24-Pin CDDIP |
| ADS-927 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:14-Bit, 1MHz, Low-Power Sampling A/D Converters |
| ADS-927/883 | 制造商:Murata Power Solutions 功能描述:ADC Single 2-Step Flash 1Msps 14-bit Parallel 24-Pin DDIP |
| ADS-927GC | 制造商:Murata Power Solutions 功能描述:Single ADC 2-Step Flash 1Msps 14-bit Parallel 24-Pin CDDIP SMD |
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