LT1466 LINER [Linear Technology], LT1466 Datasheet

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LT1466

Manufacturer Part Number
LT1466
Description
Micropower Dual/Quad Precision Rail-to-Rail Input and Output Op Amps
Manufacturer
LINER [Linear Technology]
Datasheet

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APPLICATIONS
FEATURES
TYPICAL
Rail-to-Rail Input and Output
Low Supply Current: 75 A Max
390 V V
High Common Mode Rejection Ratio: 83dB Min
High A
Wide Supply Range: 2V to 5V
Low Input Bias Current: 6nA Typ
120kHz Gain Bandwidth Product
0V TO 2.5V
Supply Current Sensing
Driving A/D Converters
Test Equipment Amplifiers
V
IN
VOL
OS(MAX)
: 400V/mV Min
+
1/2 LT1466L
APPLICATION
U
for V
Variable Current Source
CM
= V
VN2222
R2
10k
R1
100k
to V
U
V
CC
+
R3
5.1
10k
I
O
=
= V
IN
51
V
IN
+
1/2 LT1466L
R2
R1
R3
1
1466L/67L TA01
TP0610
I
The LT
that combine rail-to-rail input and output operation with
precision specifications. Using a patented technique,
both input stages of the LT1466L/LT1467L are trimmed:
one at the negative supply and the other at the positive
supply. The resulting common mode rejection of 83dB
minimum is much better than other rail-to-rail input op
amps. A minimum open-loop gain of 400V/mV into a 10k
load virtually eliminates all gain error. Operation is speci-
fied for 3V, 5V and 5V supplies.
Unlike other rail-to-rail amplifiers, the input offset voltage
of 390 V maximum is guaranteed across the entire rail-to-
rail input range, not just at half supply. The graph below
contrasts the V
to a competitive part that is specified only at half supply.
As can be seen, the LT1466L/LT1467L’s limits are much
tighter for inputs near either supply.
The LT1466L is available in 8-lead PDIP and SO-8 pack-
ages with the standard dual pinout. The LT1467L features
the standard quad pinout and is available in a 16-lead
narrow SO package.
O
DESCRIPTION
, LTC and LT are registered trademarks of Linear Technology Corporation.
Precision Rail-to-Rail Input
®
1466L/LT1467L are dual/quad bipolar op amps
Micropower Dual/Quad
and Output Op Amps
OS
–2000
–1000
2000
1000
specifications of the LT1466L/LT1467L
0
U
0
vs Input Common Mode Voltage
INPUT COMMON MODE VOLTAGE (V)
1
LT1466L/LT1467L
LT1467L LIMITS
AMPLIFIER (65dB CMRR)
Worst-Case V
TYPICAL RAIL-TO-RAIL
2
3
OS
4
1466L/67L TA02
5
1

Related parts for LT1466

LT1466 Summary of contents

Page 1

... As can be seen, the LT1466L/LT1467L’s limits are much tighter for inputs near either supply. The LT1466L is available in 8-lead PDIP and SO-8 pack- ages with the standard dual pinout. The LT1467L features the standard quad pinout and is available in a 16-lead narrow SO package ...

Page 2

... U RATINGS Junction Temperature ........................................... 150 C Storage Temperature Range ................. – 150 C Lead Temperature (Soldering, 10 sec).................. 300 ORDER PART NUMBER OUT A 1 – LT1466LCN8 LT1466LCS8 + – PART MARKING OUT 1466L 16-LEAD PLASTIC SO T JMAX = V = half supply, unless otherwise noted ...

Page 3

... 2.3V to 12V 0. 2.3V to 12V 0.5V (Note Load I = 0.5mA SINK I = 2.5mA SINK No Load I = 0.5mA SOURCE I = 2.5mA SOURCE LT1466L/LT1467L MIN TYP MAX UNITS 105 84 105 32 60 135 270 235 470 + + V – 0.052 V – 0.026 + + V – 0.270 V – ...

Page 4

... LT1466L/LT1467L ELECTRICAL CHARACTERISTICS 5V 0V, unless otherwise noted SYMBOL PARAMETER V Input Offset Voltage OS V Input Offset Voltage Shift OS Input Offset Voltage Match (Channel-to-Channel) I Input Bias Current B I Input Bias Current Shift B I Input Offset Current OS I Input Offset Current Shift ...

Page 5

... 5V 1900 AMPLIFIERS – 400 – 300 – 200 –100 0 100 200 300 INPUT OFFSET VOLTAGE ( V) 1466L/67L G02 LT1466L/LT1467L MIN TYP MAX – – 0.042 V + 0.080 – – 0.150 V + 0.300 – – 0.270 V + 0.540 + + V – ...

Page 6

... LT1466L/LT1467L W U TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Temperature 5V – 40 – 100 TEMPERATURE ( C) 1466L/67L G04 Output Saturation Voltage vs Load Current (Output Low) 1000 100 T = – ...

Page 7

... 2.5V S – 5 –10 –15 – 100 120 140 160 TIME AFTER POWER-UP (SEC) LT1466L/LT1467L Power Supply Rejection Ratio vs Frequency 2. 2. POSITIVE 40 SUPPLY 30 20 NEGATIVE SUPPLY 10 0 1000 1 10 FREQUENCY (kHz) 1466L/67L G14 ...

Page 8

... U APPLICATIONS INFORMATION Rail-to-Rail Operation The LT1466L/LT1467L differ from conventional op amps in the design of both the input and output stages. Figure 1 shows a simplified schematic. The input stage consists of two differential amplifiers, a PNP stage Q1-Q2 and an NPN stage Q3-Q4, that are active over different portions of the input common mode range ...

Page 9

... When the amplifier switches between stages, the offset voltage may go up, down or remain flat. Both stages of the LT1466L/LT1467L are trimmed; one at the negative sup ply and the other at the positive supply. The resulting common mode rejection ratio of 83dB minimum is much better than typical rail-to-rail amplifiers ...

Page 10

... LT1466L/LT1467L PACKAGE DESCRIPTION 0.300 – 0.325 (7.620 – 8.255) 0.009 – 0.015 (0.229 – 0.381) +0.025 0.325 –0.015 +0.635 8.255 –0.381 *THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm) 0.010 – 0.020 45 (0.254 – ...

Page 11

... Plastic Small Outline (Narrow 0.150) (LTC DWG # 05-08-1610 0.228 – 0.244 (5.791 – 6.197 0.053 – 0.069 (1.346 – 1.752) 0.014 – 0.019 (0.355 – 0.483) LT1466L/LT1467L 0.386 – 0.394* (9.804 – 10.008 0.150 – 0.157** (3.810 – 3.988 0.004 – ...

Page 12

... LT1466L/LT1467L U TYPICAL APPLICATIONS 4-Pole,1kHz, 3.3V Single Supply State Variable Filter Using the LT1467L C1 10,000pF R1* 29.5k – 1/4 LT1467L + 10k 3.3V 10k *1% RESISTORS RELATED PARTS PART NUMBER DESCRIPTION ® LTC 1152 Rail-to-Rail Input and Output, Zero-Drift Op Amp LT1366/LT1367 Dual/Quad Precision, Rail-to-Rail Input and Output ...

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