Datasheet LTC6081, LTC6082 (Analog Devices)
| 制造商 | Analog Devices |
| 描述 | Precision Dual/Quad CMOS Rail-to-Rail Input/ Output Amplifiers |
| 页数 / 页 | 20 / 1 — FeaTures. DescripTion. Maximum Offset Voltage: 70µV (25°C). Maximum … |
| 文件格式/大小 | PDF / 322 Kb |
| 文件语言 | 英语 |
FeaTures. DescripTion. Maximum Offset Voltage: 70µV (25°C). Maximum Offset Drift: 0.8µV/°C
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LTC6081/LTC6082 Precision Dual/Quad CMOS Rail-to-Rail Input/ Output Amplifiers
FeaTures DescripTion
■
Maximum Offset Voltage: 70µV (25°C)
The LTC®6081/LTC6082 are dual/quad low offset, low drift, ■
Maximum Offset Drift: 0.8µV/°C
low noise CMOS operational amplifiers with rail-to-rail ■
Maximum Input Bias: 1pA (25°C) 40pA (TA ≤ 85°C)
input/output swing. ■ Open Loop Voltage Gain: 120dB Typ The 70µV maximum offset, 1pA input bias current, 120dB ■ Gain Bandwidth Product: 3.6MHz open loop gain and 1.3µV ■ P-P 0.1Hz to 10Hz noise make CMRR: 100dB Min it perfect for precision signal conditioning. The LTC6081/ ■ PSRR: 98dB Min LTC6082 features 100dB CMRR and 98dB PSRR. ■ 0.1Hz to 10Hz Noise: 1.3µVP-P ■ Supply Current: 330µA Each amplifier consumes only 330µA of current on a 3V ■ Rail-to-Rail Inputs and Outputs supply. The 10-lead DFN has an independent shutdown ■ Unity Gain Stable function that reduces each amplifier’s supply current ■ 2.7V to 5.5V Operation Voltage to 1µA. ■ Dual LTC6081 in 8-Lead MSOP and 10-Lead DFN10 LTC6081/LTC6082 is specified for power supply voltages Packages; Quad LTC6082 in 16-Lead SSOP and DFN of 3V and 5V from –40°C to 125°C. The dual LTC6081 is Packages available in 8-lead MSOP and 10-lead DFN10 packages. The quad LTC6082 is available in 16-lead SSOP and DFN
applicaTions
packages. ■ Photodiode Amplifier L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. ■ Strain Gauge ■ High Impedance Sensor Amplifier ■ Microvolt Accuracy Threshold Detection ■ Instrumentation Amplifiers ■ Thermocouple Amplifiers
Typical applicaTion Shock Sensor Amplifier (Accelerometer) VOS Drift Histogram
30 V+ 0.1µF LTC6081MS8 8.2pF TA = –40°C TO 125°C 25 V 2M 2M S = 3V + VCM = 0.5V MURATA 1/2 20 1G 3.9pF 3.9pF PKGS-00LD LTC6081 VOUT = 109mV/g 770pF – BW ~ 2.2kHz 0° SENSOR 15 1M 10 V– 0.1µF1M 5 NUMBER OF AMPLIFIERS (OUT OF 100) 60812 TA01 10k 0 47pF –0.20 –0.10 0 0.10 0.20 0.30 VOSDRIFT (µV/°C) 60812 TA01b 60812fd For more information www.linear.com/LTC6081 1
FeaTures DescripTion
■
Maximum Offset Voltage: 70µV (25°C)
The LTC®6081/LTC6082 are dual/quad low offset, low drift, ■
Maximum Offset Drift: 0.8µV/°C
low noise CMOS operational amplifiers with rail-to-rail ■
Maximum Input Bias: 1pA (25°C) 40pA (TA ≤ 85°C)
input/output swing. ■ Open Loop Voltage Gain: 120dB Typ The 70µV maximum offset, 1pA input bias current, 120dB ■ Gain Bandwidth Product: 3.6MHz open loop gain and 1.3µV ■ P-P 0.1Hz to 10Hz noise make CMRR: 100dB Min it perfect for precision signal conditioning. The LTC6081/ ■ PSRR: 98dB Min LTC6082 features 100dB CMRR and 98dB PSRR. ■ 0.1Hz to 10Hz Noise: 1.3µVP-P ■ Supply Current: 330µA Each amplifier consumes only 330µA of current on a 3V ■ Rail-to-Rail Inputs and Outputs supply. The 10-lead DFN has an independent shutdown ■ Unity Gain Stable function that reduces each amplifier’s supply current ■ 2.7V to 5.5V Operation Voltage to 1µA. ■ Dual LTC6081 in 8-Lead MSOP and 10-Lead DFN10 LTC6081/LTC6082 is specified for power supply voltages Packages; Quad LTC6082 in 16-Lead SSOP and DFN of 3V and 5V from –40°C to 125°C. The dual LTC6081 is Packages available in 8-lead MSOP and 10-lead DFN10 packages. The quad LTC6082 is available in 16-lead SSOP and DFN
applicaTions
packages. ■ Photodiode Amplifier L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. ■ Strain Gauge ■ High Impedance Sensor Amplifier ■ Microvolt Accuracy Threshold Detection ■ Instrumentation Amplifiers ■ Thermocouple Amplifiers
Typical applicaTion Shock Sensor Amplifier (Accelerometer) VOS Drift Histogram
30 V+ 0.1µF LTC6081MS8 8.2pF TA = –40°C TO 125°C 25 V 2M 2M S = 3V + VCM = 0.5V MURATA 1/2 20 1G 3.9pF 3.9pF PKGS-00LD LTC6081 VOUT = 109mV/g 770pF – BW ~ 2.2kHz 0° SENSOR 15 1M 10 V– 0.1µF1M 5 NUMBER OF AMPLIFIERS (OUT OF 100) 60812 TA01 10k 0 47pF –0.20 –0.10 0 0.10 0.20 0.30 VOSDRIFT (µV/°C) 60812 TA01b 60812fd For more information www.linear.com/LTC6081 1