Renesas Electronics RRA7900x Low Power Operational Amplifiers
Renesas Electronics RRA7900x Low Power Operational Amplifiers (Op Amps) include the RRA79001 (single), RRA79002 (dual), and RRA79004 (quad) op amps. The Renesas RRA7900x devices are designed for modern, space-conscious electronics. With rail-to-rail input/output swing, these op amps deliver exceptional performance in tight quarters. The exceptional performance makes the devices ideal for smoke detectors, wearable tech, and compact appliances that require low-voltage operation and robust capacitive-load driving.
Built on a rugged, streamlined architecture, the RRA7900x family simplifies circuit design without compromising performance. Each device features unity-gain stability for dependable operation, integrated RFI/EMI rejection filters to shield against interference, and consistent phase integrity, even under overdrive conditions.
Features
- Single-supply 1.8V to 5.5V operating range
- Rail-to-rail input and output
- Low ±0.4mV input offset voltage
- 1MHz gain bandwidth product
- Low 38nV/√Hz broadband noise
- Low 5pA input bias current
- Low 60µA/Ch supply current
- Integrated RFI/EMI rejection filters to shield against interference
- Unity-gain stability for dependable operation
- Consistent phase integrity, even under overdrive conditions
- -40°C to +125°C temperature range
- Package options
- 5-pin SOT-23
- 5-pin SC70
- 8-pin SOICN, DFN, and MSOP
- 14-pin SOICN and TSSOP
Applications
- Sensor signal conditioning
- Power modules
- Active filters
- Low-side current sensing
- Smoke detectors
- Motion detectors
- Wearable devices
- Appliances
- EPOS systems
- Barcode scanners
- Heating, ventilation, and air conditioning (HVAC)
- Motor control
Specifications
- 6.0V maximum supply voltage, 1.8V to 5.5V range
- 6.0V maximum input voltage
- 10mA maximum input current
- Continuous short-circuit output current
- DC parameters
- ±1.6mV to ±2mV maximum input offset voltage range
- ±0.6μV/°C typical input offset voltage temperature coefficient
- ±5pA typical input bias current
- ±2pA typical input offset current
- 100dB typical common-mode rejection ratio
- 100dB typical power supply rejection ratio
- 120dB typical open-loop gain
- 20mV maximum output voltage swing from rails
- 40mA typical sourcing short-circuit current
- -40mA typical sinking short-circuit current
- 78μA maximum supply current per amplifier
- AC parameters
- 1.4pF typical differential input capacitance
- 3pF typical common-mode input capacitance
- 1400Ω typical open-loop output impedance
- 60° typical phase margin
- 5μVpp typical input noise voltage
- 38nV/√Hz typical voltage noise density
- 7fA/√Hz typical current noise density
- 0.0029% typical total harmonic distortion
- Transient response
- 2.5V/µs typical slew rate
- 2.5µs typical settling time to 0.1% VO
- 1µs typical overload recovery time
- -40°C to +125°C ambient temperature range
- +150°C maximum junction temperature
- Maximum ESD ratings
- RRA79001
- ±3kV Human Body Model (HBM) per JS-001
- ±2kV Charged Device Model (CDM) per JS-002
- 100mA latch-up (tested per JESD78), TA = +125°C
- RRA79002
- ±2kV Human Body Model (HBM) per JS-001
- ±2kV Charged Device Model (CDM) per JS-002
- 100mA latch-up (tested per JESD78), TA = +125°C
- RRA79004
- ±6kV Human Body Model (HBM) per JS-001
- ±1.5kV Charged Device Model (CDM) per JS-002
- 100mA latch-up (tested per JESD78), TA = +125°C
- RRA79001
Typical Application
Block Diagram
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