Datasheet LT1813, LT1814 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | Dual 3mA, 100MHz, 750V/µs Operational Amplifier |
| Páginas / Página | 16 / 1 — FEATURES. DESCRIPTIO. 100MHz Gain Bandwidth Product. 750V/. s Slew Rate. … |
| Formato / tamaño de archivo | PDF / 251 Kb |
| Idioma del documento | Inglés |
FEATURES. DESCRIPTIO. 100MHz Gain Bandwidth Product. 750V/. s Slew Rate. 3.6mA Maximum Supply Current per Amplifier
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LT1813/LT1814 Dual/Quad 3mA, 100MHz, 750V/µs Operational Amplifiers
U FEATURES DESCRIPTIO
■
100MHz Gain Bandwidth Product
The LT®1813/LT1814 are dual and quad, low power, high ■
750V/
µ
s Slew Rate
speed, very high slew rate operational amplifiers with ■
3.6mA Maximum Supply Current per Amplifier
excellent DC performance. The LT1813/LT1814 feature ■
Tiny 3mm x 3mm x 0.8mm DFN Package
reduced supply current, lower input offset voltage, lower ■ 8nV/√Hz Input Noise Voltage input bias current and higher DC gain than other devices ■ Unity-Gain Stable with comparable bandwidth. The circuit topology is a ■ 1.5mV Maximum Input Offset Voltage voltage feedback amplifier with the slewing characteris- ■ 4µA Maximum Input Bias Current tics of a current feedback amplifier. ■ 400nA Maximum Input Offset Current The output drives a 100Ω load to ±3.5V with ±5V supplies. ■ 40mA Minimum Output Current, VOUT = ±3V On a single 5V supply, the output swings from 1.1V to 3.9V ■ ±3.5V Minimum Input CMR, VS = ±5V with a 100Ω load connected to 2.5V. The amplifiers are ■ 30ns Settling Time to 0.1%, 5V Step stable with a 1000pF capacitive load making them useful ■ Specified at ±5V, Single 5V Supplies in buffer and cable driver applications. ■ Operating Temperature Range: –40°C to 85°C
U
The LT1813/LT1814 are manufactured on Linear
APPLICATIO S
Technology’s advanced low voltage complementary bipo- lar process. The LT1813 dual op amp is available in ■ Active Filters 8-pin MSOP, SO and 3mm x 3mm low profile (0.8mm) ■ Wideband Amplifiers dual fine pitch leadless packages (DFN). The quad LT1814 ■ Buffers is available in 14-pin SO and 16-pin SSOP packages. A ■ Video Amplification single version, the LT1812, is also available (see separate ■ Communication Receivers data sheet). ■ Cable Drivers ■ Data Acquisition Systems , LTC and LT are registered trademarks of Linear Technology Corporation.
U TYPICAL APPLICATIO Bandpass Filter with Independently Settable Gain, Q and fC
R1
Filter Frequency Response
R R R = 499Ω V R Q C S = ±5V G – 0 R1 = 499Ω VIN = 5VP-P VIN R DISTORTION: R – F = 475Ω R 2nd < –76dB 1/4 LT1814 Q = 49.9Ω + RF – RG = 499Ω 3rd < –90dB 1/4 LT1814 C = 3.3nF ACROSS FREQ + RANGE BANDPASS fC = 100kHz 1/4 LT1814 Q = 10 + OUT GAIN = 1 R1 GAIN = RG C R1 Q = R RQ R OUTPUT MAGNITUDE (6dB/DIV) 1 F – fC = 2πRFC 1/4 LT1814 + 1k 10k 100k 1M 10M FREQUENCY (Hz) 1814 TA02 1814 TA01 18134fa 1
U FEATURES DESCRIPTIO
■
100MHz Gain Bandwidth Product
The LT®1813/LT1814 are dual and quad, low power, high ■
750V/
µ
s Slew Rate
speed, very high slew rate operational amplifiers with ■
3.6mA Maximum Supply Current per Amplifier
excellent DC performance. The LT1813/LT1814 feature ■
Tiny 3mm x 3mm x 0.8mm DFN Package
reduced supply current, lower input offset voltage, lower ■ 8nV/√Hz Input Noise Voltage input bias current and higher DC gain than other devices ■ Unity-Gain Stable with comparable bandwidth. The circuit topology is a ■ 1.5mV Maximum Input Offset Voltage voltage feedback amplifier with the slewing characteris- ■ 4µA Maximum Input Bias Current tics of a current feedback amplifier. ■ 400nA Maximum Input Offset Current The output drives a 100Ω load to ±3.5V with ±5V supplies. ■ 40mA Minimum Output Current, VOUT = ±3V On a single 5V supply, the output swings from 1.1V to 3.9V ■ ±3.5V Minimum Input CMR, VS = ±5V with a 100Ω load connected to 2.5V. The amplifiers are ■ 30ns Settling Time to 0.1%, 5V Step stable with a 1000pF capacitive load making them useful ■ Specified at ±5V, Single 5V Supplies in buffer and cable driver applications. ■ Operating Temperature Range: –40°C to 85°C
U
The LT1813/LT1814 are manufactured on Linear
APPLICATIO S
Technology’s advanced low voltage complementary bipo- lar process. The LT1813 dual op amp is available in ■ Active Filters 8-pin MSOP, SO and 3mm x 3mm low profile (0.8mm) ■ Wideband Amplifiers dual fine pitch leadless packages (DFN). The quad LT1814 ■ Buffers is available in 14-pin SO and 16-pin SSOP packages. A ■ Video Amplification single version, the LT1812, is also available (see separate ■ Communication Receivers data sheet). ■ Cable Drivers ■ Data Acquisition Systems , LTC and LT are registered trademarks of Linear Technology Corporation.
U TYPICAL APPLICATIO Bandpass Filter with Independently Settable Gain, Q and fC
R1
Filter Frequency Response
R R R = 499Ω V R Q C S = ±5V G – 0 R1 = 499Ω VIN = 5VP-P VIN R DISTORTION: R – F = 475Ω R 2nd < –76dB 1/4 LT1814 Q = 49.9Ω + RF – RG = 499Ω 3rd < –90dB 1/4 LT1814 C = 3.3nF ACROSS FREQ + RANGE BANDPASS fC = 100kHz 1/4 LT1814 Q = 10 + OUT GAIN = 1 R1 GAIN = RG C R1 Q = R RQ R OUTPUT MAGNITUDE (6dB/DIV) 1 F – fC = 2πRFC 1/4 LT1814 + 1k 10k 100k 1M 10M FREQUENCY (Hz) 1814 TA02 1814 TA01 18134fa 1