LT1360 Linear Technology, LT1360 Datasheet

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LT1360

Manufacturer Part Number
LT1360
Description
50MHz/ 800V/us Op Amp
Manufacturer
Linear Technology
Datasheet

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FEATURES
APPLICATIO S
TYPICAL APPLICATIO
Wideband Amplifiers
Buffers
Active Filters
Video and RF Amplification
Cable Drivers
Data Acquisition Systems
50MHz Gain Bandwidth
800V/ s Slew Rate
5mA Maximum Supply Current
9nV/ Hz Input Noise Voltage
Unity-Gain Stable
C-Load
1mV Maximum Input Offset Voltage
1 A Maximum Input Bias Current
250nA Maximum Input Offset Current
4.5V/mV Minimum DC Gain, R
60ns Settling Time to 0.1%, 10V Step
0.2% Differential Gain, A
0.3 Differential Phase, A
Specified at 2.5V, 5V, and 15V
V
TRIM R5 FOR GAIN
TRIM R1 FOR COMMON-MODE REJECTION
BW = 500kHz
GAIN
IN
13V Minimum Output Swing into 500
3.2V Minimum Output Swing into 150
+
10k
R1
R
R
TM
4
3
Two Op Amp Instrumentation Amplifier
Op Amp Drives All Capacitive Loads
1
+
LT1360
2
1
R2
R
1k
R
U
2
1
R
R
3
4
R
V
V
2
R
=2, R
220
=2, R
5
R3
1k
R5
R
3
L
U
L
=1k
L
102
=150
=150
+
LT1360
10k
R4
1360 TA01
V
OUT
DESCRIPTIO
The LT1360 is a high speed, very high slew rate opera-
tional amplifier with excellent DC performance. The LT1360
features reduced supply current, lower input offset volt-
age, lower input bias current and higher DC gain than
devices with comparable bandwidth. The circuit topology
is a voltage feedback amplifier with the slewing character-
istics of a current feedback amplifier. The amplifier is a
single gain stage with outstanding settling characteristics
which makes the circuit an ideal choice for data acquisition
systems. The output drives a 500 load to 13V with 15V
supplies and a 150 load to 3.2V on 5V supplies. The
amplifier is also capable of driving any capacitive load
which makes it useful in buffer or cable driver applications.
The LT1360 is a member of a family of fast, high
performance amplifiers using this unique topology and
employing Linear Technology Corporation’s advanced
bipolar complementary processing. For dual and quad
amplifier versions of the LT1360 see the LT1361/LT1362
data sheet. For 70MHz amplifiers with 6mA of supply
current per amplifier see the LT1363 and LT1364/LT1365
data sheets. For lower supply current amplifiers with
bandwidths of 12MHz and 25MHz see the LT1354
through LT1359 data sheets. Singles, duals and quads of
each amplifier are available.
C-Load is a trademark of Linear Technology Corporation.
, LTC and LT are registered trademarks of Linear Technology Corporation.
50MHz, 800V/ s Op Amp
A
V
= –1 Large-Signal Response
U
LT1360
1360 TA02
1

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LT1360 Summary of contents

Page 1

... TRIM R5 FOR GAIN TRIM R1 FOR COMMON-MODE REJECTION BW = 500kHz DESCRIPTIO The LT1360 is a high speed, very high slew rate opera- tional amplifier with excellent DC performance. The LT1360 features reduced supply current, lower input offset volt- age, lower input bias current and higher DC gain than devices with comparable bandwidth ...

Page 2

... V = 12V 15V CM Differential 15V 15V 15V 5V 2.5V 15V 5V 2. 12V 15V 2. 0.5V 2. 2.5V to 15V S ORDER PART TOP VIEW NUMBER 8 NULL + 7 V LT1360CS8 6 V OUT S8 PART MARKING 5 NC 1360 = 190 MIN TYP MAX 0.3 1.0 0.3 1.0 0.4 1.2 80 250 0.3 1 12.0 13.4 2.5 3.4 0.5 1.1 –13.2 –12.0 –3.2 – ...

Page 3

... V 5V Step, 0.1 – 3.58MHz 150 15V 3.58MHz 15V 3.58MHz 150 15V 3.58MHz 15V 1MHz 15V V 15V 5V LT1360 MIN TYP MAX UNITS 4.5 9.0 V/mV 3.0 6.5 V/mV 3.0 6.4 V/mV 1.5 4.2 V/mV 2.5 5.2 V/mV 13.5 13.9 V 13.0 13.6 V 3.5 4.0 V 3.2 3.8 V 1.3 1 ...

Page 4

... LT1360 ELECTRICAL CHARACTERISTICS unless otherwise noted SYMBOL PARAMETER V Input Offset Voltage OS Input V Drift OS I Input Offset Current OS I Input Bias Current B CMRR Common Mode Rejection Ratio PSRR Power Supply Rejection Ratio A Large-Signal Voltage Gain VOL V Output Swing ...

Page 5

... Note 9: The LT1360C is guaranteed to meet specified performance from The LT1360C is designed, characterized and expected to meet specified performance from – but is not tested or QA sampled at these temperatures. For guaranteed I-grade parts, consult the factory ...

Page 6

... LT1360 W U TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Supply Voltage and Temperature 6 5 125 – SUPPLY VOLTAGE ( V) 1360 G01 Input Bias Current vs Temperature 0 15V – 0 ———— 0.5 0.4 0.3 0.2 0.1 0 –50 – ...

Page 7

... – –2 10 –3 5 –4 2.5V 0 –5 100k 1M 10M FREQUENCY (Hz) LT1360 Gain and Phase vs Frequency 70 PHASE GAIN V = 15V – – ...

Page 8

... LT1360 W U TYPICAL PERFORMANCE CHARACTERISTICS Frequency Response vs Capacitive Load 1000pF V = 15V – 500pF 100pF 50pF –2 –4 –6 –8 1M 10M 100M FREQUENCY (Hz) 1360 G19 Slew Rate vs Supply Voltage 2000 1800 A = – ...

Page 9

... 150 0. SUPPLY VOLTAGE (V) 1360 G29 Small-Signal Transient (A = –1) V 1360 TA32 Large-Signal Transient (A = –1) V 1360 TA35 LT1360 Capacitive Load Handling 100 V = 15V – 10p 100p 1000p 0.01 0.1 1 CAPACITIVE LOAD (F) 1360 G30 ...

Page 10

... V 1360 AI01 Layout and Passive Components The LT1360 amplifier is easy to apply and tolerant of less than ideal layouts. For maximum performance (for ex- ample fast settling time) use a ground plane, short lead lengths, and RF-quality bypass capacitors (0. 0.1 F). For high drive current applications use low ESR bypass capacitors ( tantalum) ...

Page 11

... U APPLICATIONS INFORMATION Input Considerations Each of the LT1360 inputs is the base of an NPN and a PNP transistor whose base currents are of opposite polarity and provide first-order bias current cancellation. Because of variation in the matching of NPN and PNP beta, the polarity of the input bias current can be positive or nega- tive ...

Page 12

... CFAs have a low impedance inverting input and maintain relatively constant bandwidth with increasing gain. The LT1360 can be used in all traditional op amp configurations including integrators and applications such as photodiode amplifiers and I-to-V converters where there may be significant capacitance on the inverting input ...

Page 13

... PLIFIED SCHE ATIC + V –IN – +IN 500 C LT1360 R C OUT C C 1360 SS01 13 ...

Page 14

... LT1360 PACKAGE DESCRIPTION 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 Dimension in inches (millimeters) unless otherwise noted. ...

Page 15

... TYP 0.014 – 0.019 (0.355 – 0.483) TYP LT1360 0.150 – 0.157** (3.810 – 3.988 0.004 – 0.010 (0.101 – 0.254) 0.050 (1 ...

Page 16

... Order Butterworth Filter 909 47pF 2.67k – 1.1k 2.21k 220pF LT1360 + 470pF COMMENTS Dual and Quad Versions of LT1360 Faster Version of LT1360, V Lower Power Version of LT1360, V Low Voltage, Low Power LT1360 100KHz, 5.5MHz V OUT 2k 2k – 1/2 LT1358 + 1360 TA03 1 ...

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