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1817I

Single/Dual/Quad 220MHz, 1500V/µs Operational Amplifiers with Programmable Supply Current

Linear Technology 

LT1815

LT1816/LT1817

Single/Dual/Quad 220MHz,

1500V/µs Operational Amplifiers

with Programmable Supply Current

FEATURES

s 220MHz Gain-Bandwidth Product

s 1500V/µs Slew Rate

s 6.5mA Supply Current per Amplifier

s Space Saving MSOP and SSOP Packages

s Ultra Small SOT-23 and Leadless DFN Packages

s Programmable Current Option

s 6nV/√Hz Input Noise Voltage

s Unity-Gain Stable

s 1.5mV Maximum Input Offset Voltage

s 8µA Maximum Input Bias Current

s 800nA Maximum Input Offset Current

s 50mA Minimum Output Current, VOUT = ±3V

s ±3.5V Minimum Input CMR, VS = ±5V

s Specified at ±5V, Single 5V Supplies

s Operating Temperature Range: – 40°C to 85°C

U

APPLICATIO S

s Wideband Amplifiers

s Buffers

s Active Filters

s Video and RF Amplification

s Communication Receivers

s Cable Drivers

s Data Acquisition Systems

DESCRIPTIO

The LT®1815/LT1816/LT1817 are low power, high speed,

very high slew rate operational amplifiers with excellent

DC performance. The LT1815/LT1816/LT1817 feature

higher bandwidth and slew rate, much lower input offset

voltage and lower noise and distortion than other devices

with comparable supply current. A programmable current

option (LT1815 and LT1816A) allows power savings and

flexibility by operating at reduced supply current and

speed. The circuit topology is a voltage feedback amplifier

with the slewing characteristics of a current feedback

amplifier.

The output drives a 100Ω load to ±3.8V with ±5V sup-

plies. On a single 5V supply, the output swings from 1V

to 4V with a 100Ω load connected to 2.5V. Harmonic

distortion is –70dB for a 5MHz, 2VP-P output driving a

100Ω load in a gain of –1.

The LT1815/LT1816/LT1817 are manufactured on Linear

Technology’s advanced low voltage complementary bipo-

lar process and are available in a variety of SOT-23, SO,

MSOP, SSOP and leadless DFN packages.

, LTC and LT are registered trademarks of Linear Technology Corporation.

TYPICAL APPLICATIO

Programmable Current Amplifier Switches

from Low Power Mode to Full Speed Mode

500Ω 5V

VIN

HS/LP

500Ω

–

LT1815

+

ISET

40k

VOUT

100Ω

–5V

181567 TA01

Distortion vs Frequency

–30

AV = 2

–40

VS = ±5V

VO = 2VP-P

RL = 100Ω

–50

LOW POWER MODE

3RD HARMONIC

–60

2ND HARMONIC

–70

2ND HARMONIC

–80

3RD HARMONIC FULL SPEED MODE

–90

–100

100k

1M

FREQUENCY (Hz)

10M

181567 TA02

181567fa

1

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