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LTC6257HMS-TRPBF

产品描述6.5MHz, 65μA Power Efficient Rail-to-Rail I/O Op Amps
文件大小476KB,共24页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
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LTC6257HMS-TRPBF概述

6.5MHz, 65μA Power Efficient Rail-to-Rail I/O Op Amps

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FeAtures
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LTC6255/LTC6256/LTC6257
6.5MHz, 65µA Power
Efficient Rail-to-Rail I/O
Op Amps
Description
The LTC
®
6255/LTC6256/LTC6257 are single/dual/quad
operational amplifiers with low noise, low power, low
supply voltage, rail-to-rail input/output. They are unity
gain stable with capacitive load up to 100nF
. They feature
6.5MHz gain-bandwidth product, 1.8V/µs slew rate while
consuming only 65µA of supply current per amplifier op-
erating on supply voltages ranging from 1.8V to 5.25V. The
combination of low supply current, low supply voltage, high
gain bandwidth product and low noise makes the LTC6255
family unique among rail-to-rail input/output op amps with
similar supply currents. These operational amplifiers are
ideal for low power and low noise applications.
For applications that require power-down, LTC6255 and
LTC6256 in S6 and MS10 packages offer shutdown
pins which reduces the current consumption to 7µA
maximum.
The LTC6255 family can be used as plug-in replacements
for many commercially available op amps to reduce power
or to improve input/output range and performance.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
Over-The-Top is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
Gain Bandwidth Product: 6.5MHz
–3dB Bandwidth (A
V
= +1): 4.5MHz
Low Quiescent Current: 65µA
Stable for Capacitive Load Up to 100nF
Offset Voltage: 350µV Maximum
Rail-to-Rail Input and Output
Supply Voltage Range: 1.8V to 5.25V
Input Bias Current: 35nA Maximum
CMRR/PSRR: 100dB/100dB
Shutdown Current: 7µA Maximum
Operating Temperature Range: –40°C to 125°C
Single in 6-Lead TSOT-23 Package
Dual in 8-Lead MS8, MS10, TS0T-23, 2mm × 2mm
Thin DFN Packages
Quad in MS16 Package
ApplicAtions
Micropower Active Filters
n
Portable Instrumentation
n
Battery or Solar Powered Systems
n
Automotive Electronics
n
typicAl ApplicAtion
Low Power, Low Distortion ADC Driver
0
3.3V
3.3V
–10
–20
324
1%
470pF
NPO
6.34k, 1%
CS
SDO
SCK
OV
DD
MAGNITUDE (dB)
V
DD
A
IN
V
REF
–30
–40
–50
–60
–70
–80
10k
1%
625567 TA01a
LTC6255 Driving LTC2361 ADC
V
IN
= –1dBFS, 5kHz
f
S
= 125kSps
SNR = 72.5dB
SFDR = 89dB
t
ACQ
= 5µs
t
CONV
= 3µs
22pF
+
LTC6255
V
IN
5mV TO 2V
LTC2361
GND
–90
–100
–110
I
SUPPLY
= 540µA TOTAL AT 125kSps
0
10
20
30
40
FREQUENCY (kHz)
50
60
625567 TA01b
625567f

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