Precision Rail-to-Rail Output Amplifier
Description
Features
n Excellent Slew Rate to Power Ratio n Slew Rate: 5V/μs n Maximum Supply Current: 100μA/Amplifier n Maximum Offset Voltage: 30μV n Maximum Offset Voltage Drift: 0.
5μV/°C n High Dynamic Input Impedance n Fast Recovery from Shutdown n Maximum Input Bias Current: 3nA n No Output Phase Inversion n Gain Bandwidth Product: 400kHz n Wide Specified Supply Range: 3V to 30V n Operating Temperature Range: –40°C to 125°C n DFN and MS8 Packages n Rail-to-Rail Outputs
Applications
n Precision Signal Processing n 18-Bit DAC Amplifier n Multiplexed ADC Applications n Low Power Portable Systems n Low Power Wireless Sensor Networks
LT6020/LT6020-1 Dual Micropower, 5V/µs
Precision Rail-to-Rail Output Amplifier
Description
The LT®6020 is a low power, enhanced slew rate, precision operational amplifier.
The proprietary circuit topology of this amplifier gives excellent slew rate at low quiescent power dissipation without compromising precision or settling time.
In addition, unique input stage circuitry allows the input impedance to remain high during input voltage steps as large as 5V.
The combination of precision specs along with fast settling makes this part ideal for MUX applications.
The low quiescent current of the LT6020 along with its ability to operate on supplies as low as 3V make it useful in portable systems.
The LT6020-1 features a shutdown mode which reduces the typical supply current to 1.
4μA.
The LT6020 is available in the small 8-lead DFN and 8-lead MSOP packages.
The LT6020-1 is available in a 10-lead DFN package.
L, LT, LTC, LTM, Linear Technology, SmartMesh and the Linear logo are registered trademarks and SoftSpan is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Patent Pending.
Typical Application
16-Bit DAC with ±10V Output Swing
20V Output Step Response
3.
8VDC TO 5.
5VDC
LT1019-2.
5
IN OUT
0.
1µF
GND
1µF 0.
1µF
VDD
LTC2642
REF
POWER-ON RESET
16-BIT DAC
RFB I...
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