参数资料
型号: 5962-89481022X
厂商: ANALOG DEVICES INC
元件分类: DAC
英文描述: PARALLEL, WORD INPUT LOADING, 0.6 us SETTLING TIME, 12-BIT DAC, CQCC20
封装: CERAMIC, LCC-20
文件页数: 1/9页
文件大小: 206K
代理商: 5962-89481022X
REV. B
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD7541A
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
Analog Devices, Inc., 1997
CMOS
12-Bit Monolithic Multiplying DAC
FUNCTIONAL BLOCK DIAGRAM
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S1
S2
S3
S12
VREF
OUT2
OUT1
RFEEDBACK
BIT 12 (LSB)
BIT 3
BIT 2
BIT 1 (MSB)
DIGITAL INPUTS (DTL/TTL/CMOS COMPATIBLE)
LOGIC: A SWITCH IS CLOSED TO IOUT1 FOR
ITS DIGITAL INPUT IN A "HIGH" STATE.
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FEATURES
Improved Version of AD7541
Full Four-Quadrant Multiplication
12-Bit Linearity (Endpoint)
All Parts Guaranteed Monotonic
TTL/CMOS Compatible
Low Cost
Protection Schottky Diodes Not Required
Low Logic Input Leakage
GENERAL DESCRIPTION
The Analog Devices AD7541A is a low cost, high performance
12-bit monolithic multiplying digital-to-analog converter. It is
fabricated using advanced, low noise, thin film on CMOS
technology and is available in a standard 18-lead DIP and in
20-terminal surface mount packages.
The AD7541A is functionally and pin compatible with the in-
dustry standard AD7541 device and offers improved specifica-
tions and performance. The improved design ensures that the
device is latch-up free so no output protection Schottky diodes
are required.
This new device uses laser wafer trimming to provide full 12-bit
endpoint linearity with several new high performance grades.
PRODUCT HIGHLIGHTS
Compatibility: The AD7541A can be used as a direct replace-
ment for any AD7541-type device. As with the Analog Devices
AD7541, the digital inputs are TTL/CMOS compatible and
have been designed to have a
±1 A maximum input current
requirement so as not to load the driving circuitry.
Improvements: The AD7541A offers the following improved
specifications over the AD7541:
1. Gain Error for all grades has been reduced with premium
grade versions having a maximum gain error of
±3 LSB.
2. Gain Error temperature coefficient has been reduced to
2 ppm/
°C typical and 5 ppm/°C maximum.
3. Digital-to-analog charge injection energy for this new device
is typically 20% less than the standard AD7541 part.
4. Latch-up proof.
5. Improvements in laser wafer trimming provides 1/2 LSB max
differential nonlinearity for top grade devices over the operat-
ing temperature range (vs. 1 LSB on older 7541 types).
6. All grades are guaranteed monotonic to 12 bits over the
operating temperature range.
ORDERING GUIDE
1
Relative
Gain
Temperature
Accuracy
Error
Package
Model2
Range
TMIN to TMAX TA = +25 C
Options3
AD7541AJN
0
°C to +70°C
±1 LSB
±6 LSB
N-18
AD7541AKN 0
°C to +70°C
±1/2 LSB
±1 LSB
N-18
AD7541AJP
0
°C to +70°C
±1 LSB
±6
P-20A
AD7541AKP
0
°C to +70°C
±1/2 LSB
±1
P-20A
AD7541AKR
0
°C to +70°C
±1/2 LSB
±1
R-18
AD7541AAQ
–25
°C to +85°C
±1 LSB
±6 LSB
Q-18
AD7541ABQ
–25
°C to +85°C
±1/2 LSB
±1 LSB
Q-18
AD7541ASQ
–55
°C to +125°C ±1 LSB
±6 LSB
Q-18
AD7541ATQ
–55
°C to +125°C ±1/2 LSB
±1 LSB
Q-18
AD7541ASE
–55
°C to +125°C ±1 LSB
±6 LSB
E-20A
AD7541ATE
–55
°C to +125°C ±1/2 LSB
±1 LSB
E-20A
NOTES
1Analog Devices reserves the right to ship either ceramic (D-18) or cerdip (Q-18)
hermetic packages.
2To order MIL-STD-883, Class B process parts, add /883B to part number. Contact
local sales office for military data sheet.
3E = Leadless Ceramic Chip Carrier; N = Plastic DIP; P = Plastic Leaded Chip
Carrier; Q = Cerdip; R = Small Outline IC.
相关PDF资料
PDF描述
5962-8948102VX PARALLEL, WORD INPUT LOADING, 0.6 us SETTLING TIME, 12-BIT DAC, CDIP18
5962-8949907XC SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, DIP36
5962-8949908XC SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, DIP36
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