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參數(shù)資料
| 型號(hào)： | SPT774 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | FAST, COMPLETE 12-BIT UP COMPATIBLE A/D CONVERTER WITH SAMPLE/HOLD |
| 中文描述： | 快速，完整的12位的兼容阿/ D轉(zhuǎn)換器采樣/保持 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 113K |
| 代理商： | SPT774 |
SPT774
FAST, COMPLETE 12-BIT
μ
P COMPATIBLE
A/D CONVERTER WITH SAMPLE/HOLD
FEATURES
Improved Higher Performance Version of the HADC574Z
Complete 12-Bit A/D Converter with Sample/Hold,
Reference and Clock
Low Power Dissipation (120 mW Max)
12-Bit Linearity (Over Temp)
8
μ
s Max Conversion Time
Single +5 V Supply
Full Bipolar and Unipolar Input Range
APPLICATIONS
Data Acquisition Systems
8 or 12-Bit
μ
P Input Functions
Process Control Systems
Test and Scientific Instruments
Personal Computer Interface
GENERAL DESCRIPTION
The SPT774 is a complete, 12-bit successive approximation
A/D converter manufactured in CMOS technology. The de-
vice is an improved version of the HADC574Z. Included on
chip are an internal reference, clock, and a sample-and-hold.
The S/H is an additional feature not available on similar
devices.
The SPT774 features 8
μ
s (max) conversion time of 10 or
20 V input signals. Also, a three-state output buffer is added
for direct interface to an 8-, 12- or 16-bit
μ
P bus.
The SPT774 has standard bipolar and unipolar input ranges
of 10 V and 20 V that are controlled by a bipolar offset pin and
laser trimmed for specified linearity, gain and offset accuracy.
The power supply is +5 V. The device also has an optional
mode control voltage which may be used depending on the
application. With a maximum dissipation of 120 mW at the
specified voltages, power consumption is about five times
lower than that of currently available devices.
The SPT774 is available in 28-lead ceramic sidebrazed DIP,
PDIP and SOIC packages in the commercial temperature
range.
BLOCK DIAGRAM
Three-State Buffers And Control
Nibble A
Nibble B
Nibble C
12-Bit SAR
+
-
Comp
Clock
Offset/Gain
Trim
Control Logic
12-Bit
Capacitance
DAC
STS
Ao
CE
AGND
20 V In
12/8
CS
R/C
Ref
Ref Out
10 V In
BIP Off
Output
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SPT774CCJ | FAST, COMPLETE 12-BIT UP COMPATIBLE A/D CONVERTER WITH SAMPLE/HOLD |
| SPT774CCN | FAST, COMPLETE 12-BIT UP COMPATIBLE A/D CONVERTER WITH SAMPLE/HOLD |
| SPT774CCS | FAST, COMPLETE 12-BIT UP COMPATIBLE A/D CONVERTER WITH SAMPLE/HOLD |
| SPT774BCN | FAST, COMPLETE 12-BIT UP COMPATIBLE A/D CONVERTER WITH SAMPLE/HOLD |
| SPT774BCS | FAST, COMPLETE 12-BIT UP COMPATIBLE A/D CONVERTER WITH SAMPLE/HOLD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SPT774BCJ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FAST, COMPLETE 12-BIT UP COMPATIBLE A/D CONVERTER WITH SAMPLE/HOLD |
| SPT774BCN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FAST, COMPLETE 12-BIT UP COMPATIBLE A/D CONVERTER WITH SAMPLE/HOLD |
| SPT774BCS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FAST, COMPLETE 12-BIT UP COMPATIBLE A/D CONVERTER WITH SAMPLE/HOLD |
| SPT774CCJ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FAST, COMPLETE 12-BIT UP COMPATIBLE A/D CONVERTER WITH SAMPLE/HOLD |
| SPT774CCN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FAST, COMPLETE 12-BIT UP COMPATIBLE A/D CONVERTER WITH SAMPLE/HOLD |
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