Datasheet LT1636 (Analog Devices)
| Manufacturer | Analog Devices |
| Description | Over-The-Top Micropower Rail-to-Rail Input and Output Op Amp |
| Pages / Page | 16 / 1 — FEATURES. DESCRIPTIO. Rail-to-Rail Input and Output. Micropower: 50. A … |
| File Format / Size | PDF / 403 Kb |
| Document Language | English |
FEATURES. DESCRIPTIO. Rail-to-Rail Input and Output. Micropower: 50. A IQ, 44V Supply. Operating Temperature Range: – 40. C to 125
Model Line for this Datasheet
Text Version of Document
LT1636 Over-The-Top Micropower Rail-to-Rail Input and Output Op Amp
U FEATURES DESCRIPTIO
■
Rail-to-Rail Input and Output
The LT®1636 op amp operates on all single and split supplies ■
Micropower: 50
µ
A IQ, 44V Supply
with a total voltage of 2.7V to 44V drawing less than 50µA of ■
Operating Temperature Range: – 40
°
C to 125
°
C
quiescent current. The LT1636 can be shut down, making the ■
Over-The-Top®: Input Common Mode Range
output high impedance and reducing the quiescent current to
Extends 44V Above VEE, Independent of VCC
4µA. The LT1636 has a unique input stage that operates and ■ Low Input Offset Voltage: 225µV Max remains high impedance when above the positive supply. The ■ Specified on 3V, 5V and ±15V Supplies inputs take 44V both differential and common mode, even ■ High Output Current: 18mA when operating on a 3V supply. The output swings to both ■ Output Shutdown supplies. Unlike most micropower op amps, the LT1636 can ■ Output Drives 10,000pF with Output Compensation drive heavy loads; its rail-to-rail output drives 18mA. The ■ Reverse Battery Protection to 27V LT1636 is unity-gain stable into all capacitive loads up to ■ High Voltage Gain: 2000V/mV 10,000pF when a 0.22µF and 150Ω compensation network ■ High CMRR: 110dB is used. ■ 220kHz Gain-Bandwidth Product The LT1636 is reverse supply protected: it draws no current ■ 8-Lead DFN, MSOP, PDIP and SO Packages for reverse supply up to 27V. Built-in resistors protect the
U
inputs for faults below the negative supply up to 22V. There
APPLICATIO S
is no phase reversal of the output for inputs 5V below VEE or ■ Battery- or Solar-Powered Systems 44V above VEE, independent of VCC. Portable Instrumentation The LT1636 op amp is available in the 8-pin MSOP, PDIP and Sensor Conditioning SO packages. For space limited applications the LT1636 is ■ Supply Current Sensing available in a 3mm × 3mm × 0.8mm dual fine pitch leadless ■ Battery Monitoring package (DFN). ■ MUX Amplifiers Over-The-Top is a registered trademark of Linear Technology Corporation. ■ 4mA to 20mA Transmitters , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
U TYPICAL APPLICATIO Input Bias Current vs Common Mode Voltage
5000
Over-The-Top Current Source with Shutdown
VS = 5V, 0V 3000 4V TO 44V 1000 LT1004-1.2 R* 1M R 40 + 30 LT1636 TPO610 20 TA = –55°C – 1.2 INPUT BIAS CURRENT (nA) 10 IOUT = R TA = 125°C IOUT e.g., 10mA = 120Ω 0 TA = 25°C –10 SHDN *OPTIONAL FOR LOW OUTPUT CURRENTS 1636 TA01 4.0 4.4 4.8 5.2 10 20 30 40 50 COMMON MODE VOLTAGE (V) 1636 G03 1636fc 1
U FEATURES DESCRIPTIO
■
Rail-to-Rail Input and Output
The LT®1636 op amp operates on all single and split supplies ■
Micropower: 50
µ
A IQ, 44V Supply
with a total voltage of 2.7V to 44V drawing less than 50µA of ■
Operating Temperature Range: – 40
°
C to 125
°
C
quiescent current. The LT1636 can be shut down, making the ■
Over-The-Top®: Input Common Mode Range
output high impedance and reducing the quiescent current to
Extends 44V Above VEE, Independent of VCC
4µA. The LT1636 has a unique input stage that operates and ■ Low Input Offset Voltage: 225µV Max remains high impedance when above the positive supply. The ■ Specified on 3V, 5V and ±15V Supplies inputs take 44V both differential and common mode, even ■ High Output Current: 18mA when operating on a 3V supply. The output swings to both ■ Output Shutdown supplies. Unlike most micropower op amps, the LT1636 can ■ Output Drives 10,000pF with Output Compensation drive heavy loads; its rail-to-rail output drives 18mA. The ■ Reverse Battery Protection to 27V LT1636 is unity-gain stable into all capacitive loads up to ■ High Voltage Gain: 2000V/mV 10,000pF when a 0.22µF and 150Ω compensation network ■ High CMRR: 110dB is used. ■ 220kHz Gain-Bandwidth Product The LT1636 is reverse supply protected: it draws no current ■ 8-Lead DFN, MSOP, PDIP and SO Packages for reverse supply up to 27V. Built-in resistors protect the
U
inputs for faults below the negative supply up to 22V. There
APPLICATIO S
is no phase reversal of the output for inputs 5V below VEE or ■ Battery- or Solar-Powered Systems 44V above VEE, independent of VCC. Portable Instrumentation The LT1636 op amp is available in the 8-pin MSOP, PDIP and Sensor Conditioning SO packages. For space limited applications the LT1636 is ■ Supply Current Sensing available in a 3mm × 3mm × 0.8mm dual fine pitch leadless ■ Battery Monitoring package (DFN). ■ MUX Amplifiers Over-The-Top is a registered trademark of Linear Technology Corporation. ■ 4mA to 20mA Transmitters , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
U TYPICAL APPLICATIO Input Bias Current vs Common Mode Voltage
5000
Over-The-Top Current Source with Shutdown
VS = 5V, 0V 3000 4V TO 44V 1000 LT1004-1.2 R* 1M R 40 + 30 LT1636 TPO610 20 TA = –55°C – 1.2 INPUT BIAS CURRENT (nA) 10 IOUT = R TA = 125°C IOUT e.g., 10mA = 120Ω 0 TA = 25°C –10 SHDN *OPTIONAL FOR LOW OUTPUT CURRENTS 1636 TA01 4.0 4.4 4.8 5.2 10 20 30 40 50 COMMON MODE VOLTAGE (V) 1636 G03 1636fc 1
