Datasheet LTC6255, LTC6256, LTC6257 (Analog Devices)

ПроизводительAnalog Devices
Описание6.5MHz, 65µA Power Efficient Rail-to-Rail I/O Op Amps
Страниц / Страница26 / 1 — FEATURES. DESCRIPTION. Gain Bandwidth Product: 6.5MHz. –3dB Bandwidth (AV …
ВерсияE
Формат / Размер файлаPDF / 815 Кб
Язык документаанглийский

FEATURES. DESCRIPTION. Gain Bandwidth Product: 6.5MHz. –3dB Bandwidth (AV = +1): 4.5MHz. Low Quiescent Current: 65µA

Datasheet LTC6255, LTC6256, LTC6257 Analog Devices, Версия: E

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LTC6255/LTC6256/LTC6257 6.5MHz, 65µA Power Efficient Rail-to-Rail I/O Op Amps
FEATURES DESCRIPTION
n
Gain Bandwidth Product: 6.5MHz
The LTC®6255/LTC6256/LTC6257 are single/dual/quad n
–3dB Bandwidth (AV = +1): 4.5MHz
operational amplifiers with low noise, low power, low n
Low Quiescent Current: 65µA
supply voltage, and rail-to-rail inputs and outputs. They n
C-Load™ Op Amp Drives all Capacitive Loads
are unity gain stable with or without capacitive loads. n
Offset Voltage: 350µV Maximum
They feature 6.5MHz gain-bandwidth product, 1.8V/µs n
Rail-to-Rail Input and Output
slew rate while consuming only 65µA of supply current n
Supply Voltage Range: 1.8V to 5.25V
per amplifier operating on supply voltages ranging from n Input Bias Current: 50nA Maximum 1.8V to 5.25V. The combination of low supply current, n CMRR/PSRR: 100dB/100dB low supply voltage, high gain bandwidth product and low n Shutdown Current: 7µA Maximum noise makes the LTC6255 family unique among rail-to-rail n Operating Temperature Range: –40°C to 125°C input/output op amps with similar supply current. These n Single in 6-Lead TSOT-23, 2mm × 2mm DFN Packages operational amplifiers are ideal for low power and low n Dual in 8-Lead MS8, MS10, TS0T-23, 2mm × 2mm noise applications. DFN For applications that require power-down, the LTC6255 n Quad in MS16 Package and LTC6256 in S6 and MS10 packages offer shutdown which reduces the current consumption to 7µA maximum.
APPLICATIONS
The LTC6255 family can be used as plug-in replacements n Micropower Active Filters for many commercially available op amps to reduce power n Portable Instrumentation and improve input/output range and performance. n Battery or Solar Powered Systems All registered trademarks and trademarks are the property of their respective owners. n Automotive Electronics
TYPICAL APPLICATION Low Power, Low Distortion ADC Driver LTC6255 Driving LTC2361 ADC
0 VIN = –1dBFS, 5kHz 3.3V –10 fS = 125kSps SNR = 72.5dB –20 SFDR = 89dB 3.3V –30 tACQ = 5µs V V V + DD REF t IN 324Ω CS –40 CONV = 3µs 5mV TO 2V 1% SDO –50 LTC6255 A LTC2361 – IN SCK –60 470pF OV NPO DD GND MAGNITUDE (dB) –70 –80 6.34k, 1% 625567 TA01a –90 10k 1% –100 –110 22pF ISUPPLY = 540µA TOTAL AT 125kSps 0 10 20 30 40 50 60 FREQUENCY (kHz) 625567 TA01b Rev E Document Feedback For more information www.analog.com 1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information 5V Electrical Characteristics 1.8V Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Schematic Operation Applications Information Typical Applications Package Description Typical Application Related Parts