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參數資料
| 型號： | DAC811SH |
| 英文描述： | Microprocessor-Compatible 12-BIT DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 微處理器兼容的12位數字到模擬轉換器 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 96K |
| 代理商： | DAC811SH |
DAC811
Microprocessor-Compatible
12-BIT DIGITAL-TO-ANALOG CONVERTER
DESCRIPTION
The DAC811 is a complete, single-chip integrated-
circuit, microprocessor-compatible, 12-bit digital-to-
analog converter. The chip combines a precision volt-
age reference, microcomputer interface logic, and
double-buffered latch, in a 12-bit D/A converter with
a voltage output amplifier. Fast current switches and a
laser-trimmed thin-film resistor network provide a
highly accurate and fast D/A converter.
Microcomputer interfacing is facilitated by a double-
buffered latch. The input latch is divided into three
4-bit nibbles to permit interfacing to 4-, 8-, 12-, or
16-bit buses and to handle right-or left-justified data.
The 12-bit data in the input latches is transferred to the
D/A latch to hold the output value.
Input gating logic is designed so that loading the last
nibble or byte of data can be accomplished simulta-
neously with the transfer of data (previously stored in
adjacent latches) from adjacent input latches to the
D/A latch. This feature avoids spurious analog output
values while using an interface technique that saves
computer instructions.
The DAC811 is laser trimmed at the wafer level and
is specified to
±
1/4LSB maximum linearity error (B,
K, and S grades) at 25
°
C and
±
1/2LSB maximum over
the temperature range. All grades are guaranteed mono-
tonic over the specification temperature range.
The DAC811 is available in six performance grades
and three package types. DAC811J and K are speci-
fied over the temperature ranges of 0
°
C to +70
°
C;
DAC811A and B are specified over –25
°
C to +85
°
C;
DAC811R and S are specified over –55
°
C to +125
°
C.
DAC811J and K are packaged in a reliable 28-pin
plastic DIP or plastic SOIC package, while DAC811A,
B, R and S are available in a 28-pin 0.6" wide dual-
inline hermetically sealed ceramic side-brazed pack-
age (H package).
FEATURES
G
SINGLE INTEGRATED CIRCUIT CHIP
G
MICROCOMPUTER INTERFACE:
DOUBLE-BUFFERED LATCH
G
VOLTAGE OUTPUT:
±
10V,
±
5V, +10V
G
MONOTONICITY GUARANTEED OVER
TEMPERATURE
G
±
1/2LSB MAXIMUM NONLINEARITY OVER
TEMPERATURE
G
GUARANTEED SPECIFICATIONS AT
±
12V
AND
±
15V SUPPLIES
G
TTL/5V CMOS-COMPATIBLE LOGIC
INPUTS
1983 Burr-Brown Corporation
PDS-503K
Printed in U.S.A. January, 2000
International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111
Twx: 910-952-1111 Internet: http://www.burr-brown.com/ Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
For most current data sheet and other product
information, visit www.burr-brown.com
BPO
V
OUT
D/A Latch
Input Latch
4 MSBs
Input Latch
Input Latch
4 LSBs
12-Bit D/A Converter
Voltage Reference
10V
R
F
S
J
R
F
R
BPO
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相關代理商/技術參數 |
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| DAC812C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:12-Bit Digital-to-Analog Converter |
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| DAC813 | 制造商:BB 制造商全稱:BB 功能描述:Microprocessor-Compatible 12-BIT DIGITAL-TO-ANALOG CONVERTER |
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