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Part Number: MP7541B

 

 

 

 

Description: The MP7541B is a pin-compatible replacement which offers superior performance in latch-up and ESD prot...


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MP7541B 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 reduce failures caused by mishandling. These devices are manufactured using patented advanced thin film resistors on a double metal CMOS process which result in ultra stable thin film and superior long life reliability and stability. The MP7541B incorporates 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 (TCGE) is 2.0 ppm/°C typical.

Lower Sensitivity to Output Amplifier Offset: Multiplying DACs provide an output current into a virtual ground of the output 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.

MP7541B Maximum Ratings

VDD to GND . . . . . . . . . . . . . . . . .  . . . . . . . . . . . . . . 0 to +17 V
Digital Input Voltage to GND . . . . . .  . GND 0.5 to VDD +0.5 V
IOUT1, IOUT2 to GND . . . . . . . . . .  . .. GND 0.5 to VDD +0.5 V
VREF to GND . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . +25 V
VRFB to GND . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . +25 V
Storage Temperature . . . . . . . . . . . . . . . . . 65°C to +150°C
Lead Temperature (Soldering, 10 seconds) . . . . . . . . . +300°C
Package Power Dissipation Rating to 75°C
CDIP, PDIP, SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 850mW
Derates above 75°C . . . . . . . . . . . . . . . . . . . . . . . . . 11mW/°C

NOTES:
1 Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation at or above this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.
2 Any input pin which can see a value outside the absolute maximum ratings should be protected by Schottky diode clamps (HP5082-2835) from input pin to the supplies. All inputs have protection diodes which will protect the device from short transients outside the supplies of less than 20mA for less than 100ms.

MP7541B 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

MP7541B Typical Application

• Industrial Automation
• Automatic Test Equipment
• Disk Drive Servo Systems
• Digital/Synchro Conversion
• Programmable Gain Amplifiers
• Ratiometric A/D Conversion
• Function Generation
• Digitally Controlled Filters

MP7541B Connection Diagram

MP7541B  Connection Diagram

MP7541B datasheet

MP7541B
PDF/DataSheet Download

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