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LT1636_1

Description
Over-The-Top Micropower Rail-to-Rail Input and Output Op Amp
File Size390KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
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LT1636_1 Overview

Over-The-Top Micropower Rail-to-Rail Input and Output Op Amp

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

LT1636_1 Related Products

LT1636_1 LT1636IDD LT1636CDD LT1636CMS8
Description Over-The-Top Micropower Rail-to-Rail Input and Output Op Amp Over-The-Top Micropower Rail-to-Rail Input and Output Op Amp Over-The-Top Micropower Rail-to-Rail Input and Output Op Amp Over-The-Top Micropower Rail-to-Rail Input and Output Op Amp
Brand Name - Linear Technology Linear Technology Linear Technology
Is it Rohs certified? - incompatible incompatible incompatible
Maker - Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
Parts packaging code - DFN DFN MSOP
package instruction - HVSON, SOLCC8,.11,20 HVSON, SOLCC8,.11,20 TSSOP, TSSOP8,.19
Contacts - 8 8 8
Manufacturer packaging code - DD DD MS8
Reach Compliance Code - _compli _compli _compli
ECCN code - EAR99 EAR99 EAR99
Amplifier type - OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER
Architecture - VOLTAGE-FEEDBACK VOLTAGE-FEEDBACK VOLTAGE-FEEDBACK
Maximum average bias current (IIB) - 0.01 µA 0.01 µA 0.01 µA
Nominal Common Mode Rejection Ratio - 103 dB 103 dB 103 dB
frequency compensation - YES YES YES
Maximum input offset voltage - 1200 µV 1050 µV 850 µV
JESD-30 code - S-PDSO-N8 S-PDSO-N8 S-PDSO-G8
JESD-609 code - e0 e0 e0
length - 3 mm 3 mm 3 mm
low-dissonance - NO NO YES
micropower - YES YES YES
Humidity sensitivity level - 1 1 1
Negative supply voltage upper limit - -22 V -22 V -22 V
Nominal Negative Supply Voltage (Vsup) - -15 V -15 V -15 V
Number of functions - 1 1 1
Number of terminals - 8 8 8
Maximum operating temperature - 85 °C 70 °C 70 °C
Package body material - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code - HVSON HVSON TSSOP
Encapsulate equivalent code - SOLCC8,.11,20 SOLCC8,.11,20 TSSOP8,.19
Package shape - SQUARE SQUARE SQUARE
Package form - SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) - 235 235 235
power supply - 3/5/+-15 V 3/5/+-15 V 3/5/+-15 V
Certification status - Not Qualified Not Qualified Not Qualified
Maximum seat height - 0.85 mm 0.85 mm 1.1 mm
minimum slew rate - 0.03 V/us 0.031 V/us 0.031 V/us
Nominal slew rate - 0.075 V/us 0.075 V/us 0.075 V/us
Maximum slew rate - 0.085 mA 0.085 mA 0.085 mA
Supply voltage upper limit - 22 V 22 V 22 V
Nominal supply voltage (Vsup) - 15 V 15 V 15 V
surface mount - YES YES YES
technology - BIPOLAR BIPOLAR BIPOLAR
Temperature level - INDUSTRIAL COMMERCIAL COMMERCIAL
Terminal surface - Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form - NO LEAD NO LEAD GULL WING
Terminal pitch - 0.5 mm 0.5 mm 0.65 mm
Terminal location - DUAL DUAL DUAL
Maximum time at peak reflow temperature - 20 20 20
Nominal Uniform Gain Bandwidth - 220 kHz 220 kHz 220 kHz
Minimum voltage gain - 50000 75000 75000
width - 3 mm 3 mm 3 mm
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