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Linear Technology Electronic Components Datasheet

LT1369 Datasheet

Dual and Quad Precision Rail-to-Rail Input and Output Op Amps

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LT1366/LT1367
LT1368/LT1369
Dual and Quad Precision
Rail-to-Rail Input and Output
Op Amps
FEATURES
s Input Common Mode Range Includes Both Rails
s Output Swings Rail-to-Rail
s Low Input Offset Voltage: 150µV
s High Common Mode Rejection Ratio: 90dB
s High AVOL: >1V/µV Driving 10kLoad
s Low Input Bias Current: 10nA
s Wide Supply Range: 1.8V to ±15V
s Low Supply Current: 375µA per Amplifier
s High Output Drive: 30mA
s 400kHz Gain-Bandwidth Product
s Slew Rate: 0.13V/µs
s Stable for Capacitive Loads up to 1000pF
U
APPLICATIONS
s Rail-to-Rail Buffer Amplifiers
s Low Voltage Signal Processing
s Supply Current Sensing at Either Rail
s Driving A/D Converters
, LTC and LT are registered trademarks of Linear Technology Corporation.
DESCRIPTION
The LT®1366/LT1367/LT1368/LT1369 are dual and quad
bipolar op amps which combine rail-to-rail input and
output operation with precision specifications. These op
amps maintain their characteristics over a supply range of
1.8V to 36V. Operation is specified for 3V, 5V and ±15V
supplies. Input offset voltage is typically 150µV, with an
open-loop gain AVOL of 1 million while driving a 10k load.
Common mode rejection is typically 90dB over the full rail-
to-rail input range, and supply rejection is 110dB.
The LT1366/LT1367 have conventional compensation
which assures stability for capacitive loads of 1000pF or
less. The LT1368/LT1369 have compensation that
requires a 0.1µF output capacitor, which improves the
amplifier’s supply rejection and reduces output imped-
ance at high frequencies. The output capacitor’s filtering
action reduces high frequency noise, which is beneficial
when driving A/D converters.
The LT1366/LT1368 are available in plastic 8-pin PDIP and
8-lead SO packages with the standard dual op amp pinout.
The LT1367/LT1369 feature the standard quad pinout,
which is available in a plastic 14-lead SO package. These
devices can be used as plug-in replacements for many
standard op amps to improve input/output range and
precision.
TYPICAL APPLICATION
VCC R1
200
Positive Supply Rail Current Sense
Rs
0.2
ILOAD
LOAD
1/2 LT1366
+
R2
20k
Q1
TP0610L
1/2 LT1366
+
( )VO = ILOAD • RS
R2
R1
= ILOAD • 20
1366 TA01
Output Saturation Voltage vs Load Current
1000
POSITIVE
100 RAIL
NEGATIVE
RAIL
10
1
0.001
0.01 0.1
1
LOAD CURRENT (mA)
10
1366 TA02
1


Linear Technology Electronic Components Datasheet

LT1369 Datasheet

Dual and Quad Precision Rail-to-Rail Input and Output Op Amps

No Preview Available !

LT1366/LT1367
LT1368/LT1369
ABSOLUTE MAXIMUM RATINGS
Total Supply Voltage (V + to V ) ............................. 36V
Input Current ..................................................... ±15mA
Output Short-Circuit Duration (Note 1) ........ Continuous
Operating Temperature Range .............. –40°C to 85°C
Junction Temperature.......................................... 150°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER INFORMATION
OUT A 1
– IN A 2
+IN A 3
V4
TOP VIEW
A
B
8 V+
7 OUT B
6 – IN B
5 +IN B
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 130°C/ W (N8)
TJMAX = 150°C, θJA = 190°C/ W (S8)
ORDER PART
NUMBER
LT1366CN8
LT1366CS8
LT1368CN8
LT1368CS8
S8 PART MARKING
1366
1368
TOP VIEW
OUT A 1
–IN A 2
+IN A 3
V+ 4
+IN B 5
–IN B 6
OUT B 7
A
B
14 OUT D
13 – IN D
D
12 +IN D
11 V
10 +IN C
C
9 – IN C
8 OUT C
S PACKAGE
14-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 150°C/ W
ORDER PART
NUMBER
LT1367CS
LT1369CS
AVAILABLE OPTIO S
PRODUCT NUMBER
LT1366
LT1367
LT1368
LT1369
NUMBER OF OP AMPS
2
4
2
4
LOAD CAPACITANCE
OpF < CL < 1000pF
OpF < CL < 1000pF
CL = 0.1µF
CL = 0.1µF
MAX VOS (25°C)
AT VS = 5V, 0V
475µV
800µV
475µV
800µV
ORDER PART NUMBER
PLASTIC (N)
SURFACE MOUNT(S)
LT1366CN8
LT1366CS8
LT1367CS
LT1368CN8
LT1368CS8
LT1369CS
ELECTRICAL CHARACTERISTICS
TA = 25°C, VS = 5V, 0V, VCM = 2.5V, VO = 2.5V, unless otherwise noted.
SYMBOL PARAMETER
VOS Input Offset Voltage (LT1366/LT1368)
Input Offset Voltage (LT1367/LT1369)
VOS
IB
IB
Input Offset Voltage Shift (LT1366/LT1368)
Input Offset Voltage Match (Channel to Channel)
Input Offset Voltage Shift (LT1367/LT1369)
Input Offset Voltage Match (Channel to Channel)
Input Bias Current
Input Bias Current Shift
CONDITIONS
VCM = VCC
VCM = VEE
VCM = VCC
VCM = VEE
VCM = VEE to VCC
VCM = VEE, VCC (Notes 3, 4)
VCM = VEE to VCC
VCM = VEE, VCC (Notes 3, 4)
VCM = VCC
VCM = VEE
VCM = VEE to VCC
2
MIN TYP MAX UNITS
150 475
150 475
µV
µV
150 800
150 700
µV
µV
150 400
250 700
µV
µV
150 650
250 1600
µV
µV
0 10
–35 –10
35
0
nA
nA
20 70
nA


Part Number LT1369
Description Dual and Quad Precision Rail-to-Rail Input and Output Op Amps
Maker Linear Technology
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LT1369 Datasheet PDF






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