LT1226 Linear Technology, LT1226 Datasheet

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LT1226

Manufacturer Part Number
LT1226
Description
Low Noise Very High Speed Operational Amplifier
Manufacturer
Linear Technology
Datasheet

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FEATURE
A
TYPICAL
PPLICATI
Gain of 25 Stable
1GHz Gain Bandwidth
400V/ s Slew Rate
2.6nV/ Hz Input Noise Voltage
50V/mV Minimum DC Gain, R
1mV Maximum Input Offset Voltage
Wide Supply Range 2.5V to 15V
7mA Supply Current
100ns Settling Time to 0.1%, 10V Step
Drives All Capacitive Loads
Wideband Amplifiers
Buffers
Active Filters
Video and RF Amplification
Cable Drivers
Data Acquisition Systems
12V Minimum Output Swing into 500
Photodiode Preamplifier, A
A
S
PPLICATI
O
V
+
51
U
S
51
V
+
O
= 5.1k , BW = 15MHz
LT1226
L
U
5.1k
= 500
LT1226 TA01
D
The LT1226 is a low noise, very high speed operational
amplifier with excellent DC performance. The LT1226
features low input offset voltage and high DC gain. The
circuit is a single gain stage with outstanding settling
characteristics. The fast settling time makes the circuit an
ideal choice for data acquisition systems. The output is
capable of driving a 500 load to 12V with 15V supplies
and a 150 load to 3V on 5V supplies. The circuit is also
capable of driving large capacitive loads which makes it
useful in buffer or cable driver applications.
The LT1226 is a member of a family of fast, high per-
formance amplifiers that employ Linear Technology
Corporation’s advanced bipolar complementary
processing.
ESCRIPTIO
Low Noise Very High Speed
Operational Amplifier
Gain of +25 Pulse Response
U
LT1226
LT1226 TA02
1

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LT1226 Summary of contents

Page 1

... The circuit is also capable of driving large capacitive loads which makes it useful in buffer or cable driver applications. The LT1226 is a member of a family of fast, high per- formance amplifiers that employ Linear Technology Corporation’s advanced bipolar complementary processing ...

Page 2

... Total Supply Voltage ( ............................... 36V Differential Input Voltage ......................................... 6V Input Voltage ............................................................ V Output Short Circuit Duration (Note 1) ............ Indefinite Operating Temperature Range LT1226C ................................................ Maximum Junction Temperature Plastic Package .............................................. 150 C Storage Temperature Range ................. – 150 C Lead Temperature (Soldering, 10 sec.)................. 300 C ELECTRICAL C HARA TERISTICS ...

Page 3

... 15V and Note 3: Slew rate is measured between 10V on an output swing of 12V on 15V supplies, and output swing of 3. supplies. Note 4: Full power bandwidth is calculated from the slew rate measurement: FPBW = SR/2 Vp. LT1226 MIN TYP MAX UNITS 1.0 1.4 100 400 ...

Page 4

... INPUT COMMON MODE VOLTAGE (V) LT1226 TPC05 Input Bias Current vs Temperature 5 ±15V 4.5 4.25 4.0 3.75 3.5 –50 – TEMPERATURE (°C) LT1226 TPC08 Output Voltage Swing vs Supply Voltage 25° 500 30mV – SUPPLY VOLTAGE (±V) ...

Page 5

... FREQUENCY (HZ) LTC1226 TPC14 Slew Rate vs Temperature 500 V = ±15V –25 V 450 –SR 400 +SR 350 300 250 200 100 125 50 –50 – TEMPERATURE (˚C) LT1226 V = ±15V 25°C A 10M 100M LT1226 TPC12 C = 50pF C = 0pF 100M LT1226 TPC15 100 125 75 LT1226 TPC18 5 ...

Page 6

... F tial pair. Slew enhancement circuitry has been added to LT1226 AI01 the LT1226 so that the falling edge slew rate is enhanced which balances the noninverting slew rate response. Large Signal, A Input Considerations Resistors in series with the inputs are recommended for the LT1226 in applications where the differential input voltage exceeds 6V continuously transient basis ...

Page 7

... The LT1226 can drive coaxial cable directly, but for best pulse fidelity the cable should be doubly terminated with a resistor in series with the output. Compensation The LT1226 has a typical gain bandwidth product of 1GHz which allows it to have wide bandwidth in high gain ...

Page 8

... BSC T J MAX JA 150 C 220 C/W : 499-3977 6 OUT LT1226 SS 0.400 (10.160) MAX 0.250 ± 0.010 (6.350 ± 0.254) 0.020 (0.508) MIN ...

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