The LTC6362IMS8#TRPBF from Analog Devices is a precision, low-power fully differential operational amplifier and SAR ADC driver with rail-to-rail inputs and outputs. It can buffer fully differential signals or convert a single-ended input into a balanced differential output for driving high-resolution, low-power successive-approximation ADCs.
The device operates from a 2.8V to 5.25V single supply and draws only 1mA of typical supply current during active operation. Shutdown mode reduces typical current consumption to 70μA, making the amplifier suitable for portable instrumentation, battery-powered systems, and multichannel data-acquisition equipment.
The LTC6362 provides a 180MHz gain-bandwidth product, 34MHz −3dB bandwidth, and 45V/μs differential slew rate. It settles to 18-bit accuracy in approximately 550ns with an 8VP-P output and offers distortion performance of approximately −116dBc at 1kHz and 8VP-P.
Precision specifications include a maximum input offset voltage of 200μV, maximum input bias current of 260nA, and input-referred voltage-noise density of 3.9nV/√Hz. Its rail-to-rail outputs can source or sink up to approximately 35mA for low-impedance ADC and differential-load driving.
An integrated VOCM pin controls the differential-output common-mode voltage. When VOCM is left floating, an internal resistor divider establishes a mid-supply common-mode level, typically 2.5V from a 5V supply. An external ADC common-mode reference can also drive this pin when required.
The LTC6362IMS8#TRPBF is supplied in an 8-lead plastic MSOP package and is specified for an operating-temperature range of −40°C to +85°C. The “#TRPBF” suffix identifies the lead-free tape-and-reel ordering option.
Key Specifications:
- Manufacturer: Analog Devices
- Manufacturer Part Number: LTC6362IMS8#TRPBF
- Device Type: Fully Differential Amplifier and SAR ADC Driver
- Input Configuration: Fully Differential or Single-Ended
- Output Configuration: Fully Differential
- Input and Output Range: Rail-to-Rail
- Single-Supply Range: 2.8V to 5.25V
- Typical Supply Current: 1mA
- Typical Shutdown Current: 70μA
- Gain-Bandwidth Product: 180MHz
- −3dB Bandwidth: 34MHz
- Differential Slew Rate: 45V/μs
- Settling Time: 550ns to 18 Bits at 8VP-P
- Distortion: −116dBc at 1kHz and 8VP-P
- Maximum Input Offset Voltage: 200μV
- Maximum Input Bias Current: 260nA
- Input-Referred Voltage Noise: 3.9nV/√Hz
- Output Drive Capability: Up to Approximately ±35mA
- Output Common-Mode Control: VOCM Pin
- Operating Temperature: −40°C to +85°C
- Package: 8-Lead MSOP
- Mounting Type: Surface Mount
- Packaging: Lead-Free Tape and Reel
- Product Status: Last Time Buy
Typical Applications:
Suitable for 16-bit and 18-bit SAR ADC drivers, single-ended-to-differential conversion, low-power pipeline ADC driving, precision sensor-signal conditioning, differential line drivers, industrial data acquisition, and battery-powered instrumentation. ADC input networks, resistor matching, output common-mode voltage, capacitive loading, and PCB layout should be evaluated in the final design.
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