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MAX9944 Dataheets PDF



Part Number MAX9944
Manufacturers Maxim Integrated Products
Logo Maxim Integrated Products
Description Low-Power Op Amps
Datasheet MAX9944 DatasheetMAX9944 Datasheet (PDF)

19-4433; Rev 0; 3/09 High-Voltage, Precision, Low-Power Op Amps www.datasheet4u.com General Description ♦ Wide 6V to 38V Supply Range Features ♦ Low 100µV (max) Input Offset Voltage ♦ Low 0.4µV/°C Offset Drift ♦ Unity Gain Stable with 1nF Load Capacitance ♦ 2.4MHz Gain-Bandwidth Product ♦ 550µA Supply Current ♦ 20mA Output Current ♦ Package Options 3mm x 5mm, 8-Pin µMAX or 3mm x 3mm, 6-Pin TDFN Packages (Single) 5mm x 6mm, 8-Pin SO or 3mm x 3mm, 8-Pin TDFN Packages (Dual) MAX9943/MAX9944 Th.

  MAX9944   MAX9944


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19-4433; Rev 0; 3/09 High-Voltage, Precision, Low-Power Op Amps www.datasheet4u.com General Description ♦ Wide 6V to 38V Supply Range Features ♦ Low 100µV (max) Input Offset Voltage ♦ Low 0.4µV/°C Offset Drift ♦ Unity Gain Stable with 1nF Load Capacitance ♦ 2.4MHz Gain-Bandwidth Product ♦ 550µA Supply Current ♦ 20mA Output Current ♦ Package Options 3mm x 5mm, 8-Pin µMAX or 3mm x 3mm, 6-Pin TDFN Packages (Single) 5mm x 6mm, 8-Pin SO or 3mm x 3mm, 8-Pin TDFN Packages (Dual) MAX9943/MAX9944 The MAX9943/MAX9944 is a family of high-voltage amplifiers that offers precision, low drift, and low-power consumption. The MAX9943 (single) and MAX9944 (dual) op amps offer 2.4MHz of gain-bandwidth product with only 550µA of supply current per amplifier. The MAX9943/MAX9944 family has a wide power supply range operating from ±3V to ±19V dual supplies or a 6V to 38V single supply. The MAX9943/MAX9944 is ideal for sensor signal conditioning, high-performance industrial instrumentation and loop-powered systems (e.g., 4mA–20mA transmitters). The MAX9943 is offered in a space-saving 6-pin TDFN or 8-pin µMAX® package. The MAX9944 is offered in an 8-pin SO or an 8-pin TDFN package. These devices are specified over the -40°C to +125°C automotive temperature range. Ordering Information PART MAX9943AUA+ MAX9943ATT+ MAX9944ATA+** TEMP RANGE -40°C to +125°C -40°C to +125°C -40°C to +125°C PINPACKAGE 8 µMAX 6 TDFN-EP* 8 SO 8 TDFN-EP* TOP MARK AACA AUF — BLN Applications Sensor Interfaces Loop-Powered Systems Industrial Instrumentation High-Voltage ATE High-Performance ADC/DAC Input/Output Amplifiers µMAX is a registered trademark of Maxim Integrated Products, Inc. MAX9944ASA+** -40°C to +125°C +Denotes a lead(Pb)-free/RoHS-compliant package. *EP = Exposed pad. **Future product—contact factory for availability. Capacitive Load vs. Resistive Load MAX9943 toc17 Package Detail TOP VIEW 100,000 MAX9943 OUT 1 *EP 6 VCC 10,000 CLOAD (pF) UNSTABLE VEE 2 5 N.C. 1000 STABLE IN+ 3 4 IN- 100 100 1000 10,000 RLOAD (Ω) 100,000 TOP VIEW 6 TDFN-EP *EP = EXPOSED PAD. Pin Configurations appear at end of data sheet. ________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. High-Voltage, Precision, Low-Power Op Amps MAX9943/MAX9944 ABSOLUTE www.datasheet4u.com MAXIMUM RATINGS θJC ..............................................................................42°C/W 6-Pin TDFN-EP (derate 23.8mW/°C above +70°C) ..1904.8mW θJA ..............................................................................42°C/W θJC ................................................................................9°C/W 8-Pin SO (derate 7.6mW/°C above +70°C)...................606.1W θJA ............................................................................132°C/W θJC ..............................................................................38°C/W 8-Pin TDFN-EP (derate 24.4mW/°C above +70°C) ..1951.2mW θJA ..............................................................................41°C/W θJC ................................................................................8°C/W Operating Temperature Range .........................-40°C to +125°C Junction Temperature ......................................................+150°C Lead Temperature (soldering, 10s) .................................+300°C Supply Voltage (VCC to VEE) ..................................-0.3V to +40V All Other Pins (Note 1) .....................(VEE - 0.3V) to (VCC + 0.3V) OUT Short-Circuit Current Duration 8-Pin µMAX (VCC - VEE ≤ 20V)...............................................3s 8-Pin µMAX (VCC - VEE > 20V) ................................Momentary 6-Pin TDFN (VCC - VEE ≤ 20V) .............................................60s 6-Pin TDFN (VCC - VEE > 20V)...............................................2s Continuous Input Current (Any Pins) ................................±20mA Thermal Limits (Note 2) Multiple Layer PCB Continuous Power Dissipation (TA = +70°C) 8-Pin µMAX (derate 4.8mW/°C above +70°C) ...........387.8mW θJA .........................................................................206.3°C/W Note 1: Operation is limited by thermal limits. Note 2: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a fourlayer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERIST.


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