LT1211 LINER [Linear Technology], LT1211 Datasheet

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LT1211

Manufacturer Part Number
LT1211
Description
14MHz, 7V/us, Single Supply Dual and Quad Precision Op Amps
Manufacturer
LINER [Linear Technology]
Datasheet

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FEATURE
Note: For applications requiring higher slew rate, see the LT1213/LT1214 and
LT1215/LT1216 data sheets.
TYPICAL
, LTC and LT are registered trademarks of Linear Technology Corporation.
Slew Rate: 7V/ s Typ
Gain-Bandwidth Product: 14MHz Typ
Fast Settling to 0.01%
Excellent DC Precision in All Packages
Single Supply Operation
Low Input Noise Voltage: 12nV/ Hz Typ
Low Input Noise Current: 0.2pA/ Hz Typ
Specified on 3.3V, 5V and 15V
Large Output Drive Current: 20mA Min
Low Supply Current per Amplifier: 1.8mA Max
Dual in 8-Pin DIP and SO-8
Quad in 14-Pin DIP and Narrow SO-16
2V Step to 200 V: 900ns Typ
10V Step to 1mV: 2.2 s Typ
Input Offset Voltage: 275 V Max
Input Offset Voltage Drift: 6 V/ C Max
Input Offset Current: 30nA Max
Input Bias Current: 125nA Max
Open-Loop Gain: 1200V/mV Min
Input Voltage Range Includes Ground
Output Swings to Ground While Sinking Current
V
IN
A
S
Input Bias Current Cancellation
R
G
PPLICATI
1M
22pF
1M
R
+
F
LT1211
1/2
V
LT1211
+
1/2
O
SIGNAL AMP
+
U
CANCELLATION
AMP
1211/12 TA01
V
OUT
14MHz, 7V/ s, Single Supply
D
The LT
a 14MHz gain-bandwidth product and a 7V/ s slew rate.
The LT1212 is a quad version of the same amplifier. The
DC precision of the LT1211/LT1212 eliminates trims in
most systems while providing high frequency perfor-
mance not usually found in single supply amplifiers.
The LT1211/LT1212 will operate on any supply greater
than 2.5V and less than 36V total. These amplifiers are
specified on single 3.3V, single 5V and 15V supplies, and
only require 1.3mA of quiescent supply current per ampli-
fier. The inputs can be driven beyond the supplies without
damage or phase reversal of the output. The minimum
output drive is 20mA, ideal for driving low impedance
loads.
A
PPLICATI
ESCRIPTIO
2.5V Full-Scale 12-Bit Systems: V
10V Full-Scale 16-Bit Systems: V
Active Filters
Photo Diode Amplifiers
DAC Current-to-Voltage Amplifiers
Battery-Powered Systems
®
1211 is a dual, single supply precision op amp with
100
90
80
70
60
50
40
30
20
10
0
0.01
Precision Op Amps
O
V
LINEAR REGION
Input Current vs Input Voltage
S
= 5V, V
U
U
S
Dual and Quad
WITH CANCELLATION
OUT
INPUT VOLTAGE (V)
0.1
WITHOUT CANCELLATION
IN
R
R
IN
IN
LT1211/LT1212
= 300M
= 2.4G
OS
1
OS
1211/12 TA02
1.8LSB
0.45LSB
10
1

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LT1211 Summary of contents

Page 1

... DC precision of the LT1211/LT1212 eliminates trims in most systems while providing high frequency perfor- mance not usually found in single supply amplifiers. The LT1211/LT1212 will operate on any supply greater than 2.5V and less than 36V total. These amplifiers are specified on single 3.3V, single 5V and 15V supplies, and only require 1 ...

Page 2

... Specified Temperature Range LT1211C/LT1212C/ LT1211I/LT1212I (Note 5) ................... – LT1211M ......................................... – 125 C Storage Temperature Range ................ – 150 C Junction Temperature (Note 2) Plastic Package (N8, S8 ........................ 150 C Ceramic Package (J8)...................................... 175 C Lead Temperature (Soldering, 10 sec)................. 300 ORDER PART ...

Page 3

... V O 0.01 0mA 5MHz 20Hz to 20kHz V O RMS LT1211/LT1212 PACKAGE CERAMIC PLASTIC DIP SURFACE MOUNT (J) (N) LT1212CN, LT1212IN LT1211AC LT1211C/LT1211M LT1211AM LT1212C TYP MAX MIN TYP MAX 75 150 100 275 0.5 0 100 60 125 250 250 12.5 12.5 12.0 12.0 ...

Page 4

... LT1211C/LT1212C LT1211AC LT1211I/LT1212I TYP MAX MIN TYP MAX 120 200 175 500 0.7 1 120 80 145 3.2 3.1 3.2 0 0.2 0 104 84 101 113 85 ...

Page 5

... LT1211AC LT1211C/LT1211M LT1211AM LT1212C TYP MAX MIN TYP MAX 125 400 150 550 120 13.8 13.5 13.8 – 15.3 –15.0 – 15.3 105 86 102 113 87 110 5000 ...

Page 6

... LT1211C/LT1212C LT1211AC LT1211I/LT1212I TYP MAX MIN TYP MAX 175 450 250 700 0.7 1 100 60 130 13.2 13.1 13.2 –15.0 –14.8 –15.0 103 84 100 111 85 ...

Page 7

... MAX 75 150 100 275 2.1 1.8 2.1 – 0.3 0 – 0.3 2.70 2.60 2.70 2.60 2.50 2.60 2.30 2.15 2.30 0.003 0.006 0.003 0.006 0.047 0.065 0.047 0.065 0.362 0.500 0.362 0.500 LT1211C/LT1212C TYP MAX MIN TYP MAX 100 175 150 375 1.4 1.7 1.8 – 0.1 0.1 – 0.1 2.63 2.50 2.63 2.53 2.40 2.53 2.33 2.20 2.33 0.004 0.007 0.004 0.007 0.052 0.070 0.052 0.070 0.290 0.400 ...

Page 8

... and are designed, characterized and expected to meet these extended temperature limits, but are not tested at and power A – and 85 C. The LT1211I/LT1212I are guaranteed to meet the extended temperature limits. 100 C/W) D Note 6: Slew rate is measured between 8. output swing of 10V ...

Page 9

... TOTAL SUPPLY VOLTAGE (V) 1211/12 G11 Undistorted Output Swing vs Frequency 15V 15V 100 1k 10k 100k FREQUENCY (Hz) 1211/12 G14 LT1211/LT1212 Gain-Bandwidth Product, Phase Margin vs Supply Voltage 100 – ...

Page 10

... LT1211/LT1212 W U TYPICAL PERFOR A Open-Loop Voltage Gain vs Supply Voltage – 125 TOTAL SUPPLY VOLTAGE (V) 1211/12 G16 Voltage Gain vs Load Resistance 10k 15V 100 ...

Page 11

... V 1211/12 G26 15V Large-Signal Response 10V 0V –10V 2 s/DIV V = 15V 1211/12 G29 V 15V Settling 500ns/DIV V = 15V – 1211/12 G32 LT1211/LT1212 5V Large-Signal Response 3V 0V 500ns/DIV – 20pF F 1211/12 G27 15V Large-Signal Response 10V 0V –10V ...

Page 12

... LT1211/LT1212 W U TYPICAL PERFOR A Supply Current vs Supply Voltage 125 – SUPPLY VOLTAGE (V) 1211/12 G34 Input Bias Current vs Temperature 100 – 100 125 –50 – ...

Page 13

... Maximum Ambient = 150 C – That means the SO quad can only be operated at or below 15V supplies with a 500 load guideline to help in the selection of the LT1211/ LT1212, the following table describes the maximum sup- ply voltage that can be used with each part based on the following assumptions: 1 ...

Page 14

... While sourcing 20mA within 1.1V of the positive supply. The output of the LT1211/LT1212 will swing to within 3mV – ) and 1.5V below the of the negative supply while sinking zero current. Thus typical single supply application with the load going to ground, the output will go to within 3mV of ground. The – ...

Page 15

... S I FOR ATIO Comparator Applications Sometimes it is desirable to use an op amp as a compara- tor. When operating the LT1211/LT1212 on a single 3. supply, the output interfaces directly with most TTL and CMOS logic. The response time of the LT1211/LT1212 is a strong function of the amount of input overdrive as shown in the ...

Page 16

... Voltage-Controlled Current Source + 500pF – 100 1/2 LT1211 + OUT 1 t < Voltage-Controlled Current Sink + 100 1/2 LT1211 – 500pF OUT 1 t < Si9430DY P-CHANNEL I OUT R L 1211/12 TA04 OUT Si9410DY N-CHANNEL 1 1211/12 TA05 ...

Page 17

... HALF LEAD OPTION 0.025 (0.635) RAD TYP 1 0 – 15 0.045 – 0.068 (1.143 – 1.727) 0.014 – 0.026 (0.360 – 0.660) LT1211/LT1212 0.405 (10.287) MAX 0.220 – 0.310 (5.588 – 7.874 0.200 (5.080) MAX 0.015 – ...

Page 18

... LT1211/LT1212 PACKAGE DESCRIPTIO 0.300 – 0.325 (7.620 – 8.255) 0.009 – 0.015 (0.229 – 0.381) +0.035 0.325 –0.015 +0.889 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) 0.300 – 0.325 (7.620 – ...

Page 19

... DWG # 05-08-1610 0.228 – 0.244 (5.791 – 6.197 0.053 – 0.069 (1.346 – 1.752) 0 – 8 TYP 0.014 – 0.019 (0.355 – 0.483) LT1211/LT1212 0.150 – 0.157** (3.810 – 3.988 0.004 – 0.010 (0.101 – 0.254) 0.050 (1 ...

Page 20

... V OUT LT1211 + 1. 21k 1211/12 TA03a 0 10k 100k 1M 10M FREQUENCY (Hz) 1211/12 TA03b COMMENTS Twice as Fast as LT1211 Seven Times LT1211 Slew Rate Rail-to-Rail LT1211 Rail-to-Rail LT1213 Rail-to-Rail LT1215 12112fa LT/TP 0798 2K REV A • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1993 ...

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