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MP7541BKN

Description
15 V CMOS Multiplying 12-Bit Digital-to-Analog Converter
File Size66KB,8 Pages
ManufacturerExar [Exar Corporation]
Download Datasheet Compare View All

MP7541BKN Overview

15 V CMOS Multiplying 12-Bit Digital-to-Analog Converter

MP7541B
15 V CMOS
Multiplying 12-Bit
Digital-to-Analog Converter
FEATURES
ESD Protection: 2000 V Minimum
Full Four Quadrant Multiplication
Low Glitch Energy
12-Bit Linearity (End-Point)
Guaranteed Monotonic. All Grades. All Temperatures.
TTL/5 V CMOS Compatible
Stable, More Accurate Segmented Architecture
– 2.0 ppm/°C Typ. Gain Error Tempco
– 0.2 ppm/°C Max. Linearity Tempco
– Lowest Sensitivity to Output Amplifier Offset
Latch-Up Free
APPLICATIONS
Industrial Automation
Automatic Test Equipment
Disk Drive Servo Systems
Digital/Synchro Conversion
Programmable Gain Amplifiers
Ratiometric A/D Conversion
Function Generation
Digitally Controlled Filters
GENERAL DESCRIPTION
The MP7541B is a pin-compatible replacement which offers
superior performance in latch-up and ESD protection versus the
comparable 7541 and 7541A. The high ESD protection will re-
duce failures caused by mishandling. These devices are manu-
factured using patented advanced thin film resistors on a double
metal CMOS process which result in ultra stable thin film and su-
perior long life reliability and stability. The MP7541B incorpo-
rates a bit decoding technique yielding lower glitch, higher
speed and excellent accuracy over temperature and time. The
MP7541B’s outstanding features are:
Stability: Both Integral Non-Linearity (INL) and Differential-
Non-Linearity (DNL) are rated at 0.2 ppm/
°
C maximum.
Monotonicity is guaranteed over the entire temperature range.
Gain Temperature Coefficient (TC
GE
) is 2.0 ppm/
°
C typical.
Lower Sensitivity to Output Amplifier Offset: Multiplying
DACs provide an output current into a virtual ground of the out-
put op amp. Additional linearity error caused by the op amp is
reduced by a factor of 3 in the MP7541B versus conventional
R-2R DACs.
SIMPLIFIED BLOCK DIAGRAM
V
DD
40k
80k
“1”
“1”
“1”
“1”
“1”
“1”
40k
40k
80k
R
FB
10k
I
OUT1
V
REF
Switch Drivers
3-7 Decoder
I
OUT2
GND BIT 1 BIT 2
(MSB)
BIT 3
BIT 4
BIT 12
(LSB)
Rev. 2.00
1

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Description 15 V CMOS Multiplying 12-Bit Digital-to-Analog Converter 15 V CMOS Multiplying 12-Bit Digital-to-Analog Converter 15 V CMOS Multiplying 12-Bit Digital-to-Analog Converter 15 V CMOS Multiplying 12-Bit Digital-to-Analog Converter 15 V CMOS Multiplying 12-Bit Digital-to-Analog Converter 15 V CMOS Multiplying 12-Bit Digital-to-Analog Converter 15 V CMOS Multiplying 12-Bit Digital-to-Analog Converter
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