Purchase MX7837, In-stock MX7837 From SeekIC.
Part Number: MX7837
Description: The MX7837/MX7847 are dual, 12-bit, multiplying, voltage- output digital-to-analog converters (DACs). ...
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MX7837
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DataSheet
General Description
MX7837 General Description
The MX7837/MX7847 are dual, 12-bit, multiplying, voltage- output digital-to-analog converters (DACs). Each DAC has an output amplifier and a feedback resistor. The output amplifier is capable of developing ±10V across a 2k load. The amplifier feedback resistor is internally connected to VOUT on the MX7847. No external trims are required to achieve full 12-bit performance over the entire operating temperature range.
The MX7847 has a 12-bit parallel data input, whereas the MX7837 operates with a double-buffered 8-bit-bus interface that loads data in two write operations. Al logic signals are level triggered and are TTL and CMOS compatible. Fast timing specifications make these DACs compatible with most microprocessors.
MX7837 Maximum Ratings
VDD to DGND, AGNDA, AGNDB..................................-0.3V to +17V
VSS to DGND, AGNDA, AGNDB (Note 1) ....................+0.3V to -17V
VREFA, VREFB to AGNDA, AGNDB ....... (VSS - 0.3V) to (VDD + 0.3V)
AGNDA, AGNDB to DGND................................-0.3V to (VDD + 0.3V)
VOUTA, VOUTB to AGNDA, AGNDB .......(VSS - 0.3V) to (VDD + 0.3V)
RFBA, RFBB to AGNDA, AGNDB .............(VSS - 0.3V) to (VDD + 0.3V)
Digital Inputs to DGND ..................................-0.3V to (VDD + 0.3V)
Continuous Power Dissipation (TA = +70°C)
Narrow Plastic DIP (derate 13.33mW/°C above +70°C).1067mW
SO (derate 11.76mW/°C above +70°C)............................941mW
Narrow CERDIP (derate 12.50mW/°C above +70°C)... ..1000mW
Operating Temperature Ranges:
MX78_7J_/K_ ...........................................................0°C to +70°C
MX78_7A_/B_ ...................................................... -40°C to +85°C
MX78_7SQ/TQ ................................................. ...-55°C to +125°C
Storage Temperature Range .............................. -65°C to +150°C
Lead Temperature (soldering, 10sec) .................................+300°C
Note 1: If VSS is open-circuited with VDD and either AGND applied, the VSS pin will float positive exceeding the Absolute Maximum Ratings.
If this possibility exists, a Schottky diode connected between VSS and GND ensures the maximum ratings will be observed.
MX7837 Features
Two 12-Bit Multiplying DACs with Buffered Voltage Output
Specified with ±12V or ±15V Supplies
No External Adjustments Required
Fast Timing Specifications
24-Pin DIP and SO Packages
12-Bit Parallel Interface (MX7847) 8-Bit + 4-Bit Interface (MX7837)
Specified with ±12V or ±15V Supplies
No External Adjustments Required
Fast Timing Specifications
24-Pin DIP and SO Packages
12-Bit Parallel Interface (MX7847) 8-Bit + 4-Bit Interface (MX7837)
MX7837 Typical Application
Small Component-Count Analog Systems Digital Offset/Gain Adjustments Industrial Process Control Function Generators Automatic Test Equipment Automatic Calibration Machine and Motion Control Systems Waveform Reconstruction Synchro Applications
MX7837 Connection Diagram
MX7837
PDF/DataSheet Download
- Datasheet: MX7837
- File Size: 172351 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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