描述
The LTA8081, LTA8082 and LTA8084 (LTA808x) are a family of low power, 48 V wide supply voltage, rail-to-rail output, precision operational amplifiers capable of operating on supplies ranging from
+4.5 V (±2.25 V) to +48 V (±24 V). This new generation of high-voltage CMOS operational amplifiers, in conjunction with the LTA809x, LTA807x and LTA806x, provide a family of bandwidth, noise, and
power options to meet the needs of a wide variety of applications. The LTA808x devices offer outstanding dc precision and ac performance, including low offset (±75 μV typically), low offset drift (±1.5 μV/°C typically), 10 MHz bandwidth, and 8 nV/√Hz input voltage noise density at 10 kHz.
Unique features such as differential input-voltage range to the negative supply rail, high output current (±45 mA), high capacitive load drive of up to 1 nF, and high slew rate (9 V/μs) make the LTA808x high-performance operational amplifiers for high-voltage industrial applications.
The robust design of the LTA808x family provides ease-of-use to the circuit designer: integrated RF/EMI rejection filter, no phase reversal in overdrive conditions, and high electro-static discharge (ESD) protection. The LTA808x are optimized for operation at voltages from +4.5 V (±2.25 V) to +48 V (±24 V) over the extended temperature range of −40 °C to +125 °C.
优势和特点
Wide Supply: ±2.25 V to ±24 V, 4.5 V to 48 V
Low Offset Voltage: ±75 μV Typically
Low Offset Voltage Drift: ±1.5 μV/°C
High Common-Mode Rejection: 116 dB
Gain Bandwidth: 10 MHz
Slew Rate: 9 V/μs
Low Noise: 8 nV/√Hz at 10 kHz
Low Bias Current: ±10 pA
Rail-to-Rail Output
应用
- Tracking Amplifier in Power Modules
- Merchant Power Supplies
- High-Side and Low-Side Current Sensing
- High Precision Comparator
- Battery-Powered Instruments
- Test and Measurement Equipment
- Multiplexed Data-Acquisition Systems
- Programmable Logic Controllers
