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參數(shù)資料
| 型號(hào)： | SPT7937SIR |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 12-BIT, 28 MSPS, 170 mW A/D CONVERTER |
| 中文描述： | 12位，28 MSPS的，170毫瓦的A / D轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 91K |
| 代理商： | SPT7937SIR |
Signal Processing Technologies, Inc.
4755 Forge Road, Colorado Springs, Colorado 80907, USA
Phone: (719) 528-2300 FAX: (719) 528-2370 Website: http://www.spt.com E-Mail: sales@spt.com
SPT7937
12-BIT, 28 MSPS, 170 mW A/D CONVERTER
APPLICATIONS
All High-Speed Applications Where
Low Power Dissipation Is Required
Video Imaging
Medical Imaging
IR Imaging
Digital Communications
GENERAL DESCRIPTION
The SPT7937 is a 12-bit monolithic, low-cost, low-power
analog-to-digital converter capable of minimum sample
rates of 28 MSPS. The SPT7937 has incorporated propri-
etary parallel SAR circuit design and CMOS processing
technologies to achieve its advanced performance.The on-
chip track-and-hold function assures very good dynamic
performance without the need for external components.
Power dissipation is extremely low at only 170 mW typical at
28 MSPS with a power supply of +5.0 V. The digital outputs
are +3 V or +5 V, and are user selectable. Inputs and out-
puts are TTL/CMOS compatible to interface with TTL/
CMOS logic systems. Output data format is straight binary.
The SPT7937 is available in a 28-lead SSOP package over
the industrial temperature range.
BLOCK DIAGRAM
FEATURES
Monolithic 28 MSPS Analog-to-Digital Converter
170 mW Power Dissipation
On-Chip Track-and-Hold
Single +5 V Power Supply
TTL/CMOS Outputs
5 pF Input Capacitance
Selectable +3 V or +5 V Logic I/O
A
IN
CLK In
.
13-Bit
SAR
DAC
ADC Section 1
T/H
13
13-Bit
SAR
DAC
ADC Section 18
Zero
CMP
Zero
CMP
T/H
13
1:18
Mux
13
13
13
13
13-Bit
18:1
Mux/
Error
Correction
Timing
and
Control
P1
P2
P17
P18
ADC Section 2
ADC Section 17
Reference Ladder
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D (LSB)
D11 (MSB)
D12 Out of Range
V
RLS
V
RHF
V
RLF
V
RHS
.
.
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相關(guān)代理商/技術(shù)參數(shù) |
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