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LTC6248 Datasheet(PDF) 1 Page - Linear Technology

Part # LTC6248
Description  2GHz, 3.5mA Gain of 7 Stable Rail-to-Rail I/O Dual Op Amp
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC6248 Datasheet(HTML) 1 Page - Linear Technology

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LTC6253-7
1
62537f
For more information www.linear.com/LTC6253-7
TYPICAL APPLICATION
DESCRIPTION
2GHz, 3.5mA Gain of 7
Stable Rail-to-Rail I/O
Dual Op Amp
The LTC®6253-7 is a dual high speed, low power, rail-to-
rail input/output operational amplifier. On only 3.5mA of
supplycurrent,itfeaturesa2GHzgain-bandwidthproduct,
500V/µs slew rate and a low 2.75nV/√Hz of input-referred
noise. The combination of high bandwidth, high slew rate,
low power consumption and low broadband noise makes
the LTC6253-7 ideal for lower supply voltage, high speed
signalconditioningsystems.Thedeviceisstableforclosed
loop noise gains of 7 or higher.
The LTC6253-7 maintains high efficiency performance
from supply voltage levels of 2.5V to 5.25V and is fully
specified at supplies of 2.7V and 5.0V.
For applications that require power-down, the LTC6253-7
offers a shutdown pin which disables the amplifier and
reduces current consumption to 42µA.
The LTC6253-7 can be used as a plug-in replacement 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 of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
FEATURES
APPLICATIONS
n
Gain Bandwidth Product: 2GHz
n
–3dB Frequency (AV = 7): 160MHz
n
Low Quiescent Current: 3.5mA Max
n
High Slew Rate: 500V/µs
n
Input Common Mode Range Includes Both Rails
n
Output Swings Rail-to-Rail
n
Low Broadband Voltage Noise: 2.75nV/√Hz
n
Fast Output Recovery
n
Supply Voltage Range: 2.5V to 5.25V
n
Input Offset Voltage: 350µV Max
n
Large Output Current: 90mA
n
CMRR: 105dB
n
Open Loop Gain: 60V/mV
n
Operating Temperature Range: –40°C to 125°C
n
MS10 Package with Independent Shutdown Pins
n
Low Voltage, High Frequency Signal Processing
n
Driving A/D Converters
n
Rail-to-Rail Buffer Amplifiers
n
Active Filters
n
Battery Powered Equipment
ADC Driver with Gain
LTC6253–7 Driving LTC2314–14
1024 Point FFT
fS = 2Msps
F1 = 20.5kHz
F1 AMPLITUDE = –0.916dBFS
SFDR = 89dB
SNR = 72dB
FREQUENCY (kHz)
0 100 200 300 400 500 600 700 800 900 1000
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
62537 TA01b
2.2µF
5V
2.2µF
CS
CS
SCK
SCK
SDO
SDO
GND
625234 TA01
AIN
47pF
100
VIN = 0V TO 580mV
VDD
REF
LTC2314-14
8-PIN TSOT
OVDD
3.3V
200Ω
2.2µF
4.4V
–0.7V
+
½ LTC6253-7
1.21k
OUT
V
V+


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