LT1211/LT1212
14MHz, 7V/m s, Single Supply
Dual and Quad
Precision Op Amps
FEATURES
DESCRIPTIO
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Slew Rate: 7V/m s Typ The LT 1211 is a dual, single supply precision op amp with
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Gain-Bandwidth Product: 14MHz Typ a 14MHz gain-bandwidth product and a 7V/m s slew rate.
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Fast Settling to 0.01% The LT1212 is a quad version of the same amplifier. The
2V Step to 200m V: 900ns Typ DC precision of the LT1211/LT1212 eliminates trims in
10V Step to 1mV: 2.2m s Typ most systems while providing high frequency perfor-
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Excellent DC Precision in All Packages mance not usually found in single supply amplifiers.
Input Offset Voltage: 275m V Max
The LT1211/LT1212 will operate on any supply greater
Input Offset Voltage Drift: 6m V/ C Max
than 2.5V and less than 36V total. These amplifiers are
Input Offset Current: 30nA Max
specified on single 3.3V, single 5V and 15V supplies, and
Input Bias Current: 125nA Max
only require 1.3mA of quiescent supply current per ampli-
Open-Loop Gain: 1200V/mV Min
fier. The inputs can be driven beyond the supplies without
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Single Supply Operation
damage or phase reversal of the output. The minimum
Input Voltage Range Includes Ground
output drive is 20mA, ideal for driving low impedance
Output Swings to Ground While Sinking Current
loads.
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Low Input Noise Voltage: 12nV/ Hz Typ
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Low Input Noise Current: 0.2pA/ Hz Typ
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APPLICATIO S
Specified on 3.3V, 5V and 15V
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Large Output Drive Current: 20mA Min
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2.5V Full-Scale 12-Bit Systems: V 0.45LSB
OS
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Low Supply Current per Amplifier: 1.8mA Max
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10V Full-Scale 16-Bit Systems: V 1.8LSB
OS
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Dual in 8-Pin DIP and SO-8
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Active Filters
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Quad in 14-Pin DIP and Narrow SO-16
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Photo Diode Amplifiers
Note: For applications requiring higher slew rate, see the LT1213/LT1214 and
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DAC Current-to-Voltage Amplifiers
LT1215/LT1216 data sheets.
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Battery-Powered Systems
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
Input Current vs Input Voltage
Input Bias Current Cancellation
R R
G F
100
V = 5V, V IN
S OUT
+
90
V
LINEAR REGION
WITHOUT CANCELLATION
80
1/2
70
V R = 300M
OUT IN
LT1211
60
V +
IN SIGNAL AMP
50
40
WITH CANCELLATION
1M
30
+
20
1/2
CANCELLATION
R = 2.4G
IN
LT1211
AMP
10
22pF
0
0.01 0.1 1 10
1211/12 TA01
INPUT VOLTAGE (V)
1M
1211/12 TA02
1
INPUT CURRENT (nA)
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ULT1211/LT1212
ABSOLUTEXAI U RATI GS (Note 1)
+
Total Supply Voltage (V to V ) ............................. 36V Specified Temperature Range
Input Current ..................................................... 15mA LT1211C/LT1212C/
Output Short-Circuit Duration (Note 2) ........ Continuous LT1211I/LT1212I (Note 6)................... 40 C to 85 C
Operating Temperature Range LT1211M (OBSOLETE) ............... 55 C to 125 C
LT1211C/LT1212C ............................ 40 C to 85 C Storage Temperature Range ................ 65 C to 150 C
LT1211I/LT1212I............................... 40 C to 85 C Junction Temperature (Note 3)
LT1211M (OBSOLETE) ............... 55 C to 125 C Plastic Package (N8, S8, N, S) ........................ 150 C
Ceramic Package (J8) (OBSOLETE)................. 175 C
Lead Temperature (Soldering, 10 sec)................. 300 C
PACKAGE/ORDER I FOR ATIO
TOP VIEW
ORDER PART ORDER PART
TOP VIEW
+
OUT A 1 8 V
NUMBER NUMBER
+
OUT A 1 V
1 8
IN A 2
7 OUT B
A
IN A
22 7 OUT B
LT1211CN8
LT1211CS8
+IN A 3 6 IN B
A
B
+IN A
LT1211ACN8 33 6 IN B
LT1211IS8
V 4
5 +IN B
B
LT1211IN8 V +IN B
44 5
N8 PACKAGE
S8 PART MARKING
8-LEAD PDIP
S8 PACKAGE
T = 150 C, q = 100 C/W (N)
JMAX JA 8-LEAD PLASTIC SO
J8 PACKAGE
LT1211MJ8
8-LEAD CERDIP
T = 150 C, q = 150 C/W
JMAX JA
T = 175 C, q = 100 C/W (J)
JMAX JA LT1211AMJ8 1211
1211I
OBSOLETE PACKAGE
Consider the N8 Package for Alternate Source
TOP VIEW
ORDER PART ORDER PART
TOP VIEW
OUT A 1 16
NUMBER OUT D NUMBER
OUT A 1 14 OUT D
IN A 2 15
IN D
IN A 2 13 IN D
A D
LT1212CN LT1212CS
A D
+IN A 3 14
+IN D
+IN A 3 12 +IN D
LT1212IN LT1212IS
+
V 4 13
V
+
V 4 11 V
+IN B 5 12
+IN C
+IN B 5 10 +IN C B C
B C
IN B 6 11
IN C
IN B 6 9 IN C
OUT B 7 10
OUT C
OUT B 7 8 OUT C
NC 8 9
NC
N PACKAGE
14-LEAD PDIP
S PACKAGE
16-LEAD PLASTIC SO
T = 150 C, q = 70 C/W
JMAX JA
T = 150 C, q = 100 C/W
JMAX JA
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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AVAILABLE OPTIO S
PACKAGE
NUMBER OF MAX TC V CERAMIC (J) PLASTIC DIP SURFACE MOUNT
OS
OP AMPS T RANGE MAX V (25 C) (D V /D T) OBSOLETE (N) (S)
A OS OS
Two (Dual) 40 C to 85 C 150m V 1.5m V/ C LT1211ACN8
275mV3m V/ C LT1211CN8,
LT1211IN8
275mV6m V/ C LT1211CS8,
LT1211IS8
2
U WU
U W W W