LTC6226/LTC6227
Hz
1nV/√ 420MHz GBW, 180V/µs,
Low Distortion Rail-to-Rail Output Op Amps
FEATURES
DESCRIPTION
The LTC®6226/LTC6227 are very fast, low noise rail-to-rail
output, unity gain stable single/dual op amps, with a gain-
bandwidth product of 420MHz and a slew rate of 180V/μs.
The low input referred voltage noise of only 1nV/√Hz and
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Ultra Low Voltage Noise: 1nV/√Hz
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Low Distortion: HD2/HD3<–90dB at 4V ,1MHz
C
P-P
into 1kΩ
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High Slew Rate: 180V/μs
GBW = 420MHz
low distortion of less than –90dB for 4V signals at
C
P-P
–3dB Frequency (A = +1): 330MHz
1MHz makes them ideal for applications that require high
dynamic range and deal with very fast signals, such as
driving A/D converters.
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Input Common Mode Range Includes Negative Rail
Output Swings Rail-to-Rail
Supply Current: 5.5mA/Channel Typ
Operating Supply Range: 2.8V to 11.75V
Input Offset Voltage: 95μV Max
Offset Drift :0.4μV/°C
Low Power Shutdown
Very High Open Loop Gain: 9V/μV (139dB), R = 1kΩ
Operating Temp Range: –40°C to 125°C
Single in 8-Lead SOIC, TSOT-23, 2mm × 2mm DFN.
Duals in 3mm × 3mm DFN, MS8E
The combination of low offset, low offset drift, high gain
(139dB) and high CMRR (114dB) make these excellent
devices for high dynamic range applications.
The LTC6226 family maintains excellent performance for
supply voltages of 2.8V to 11.75V and the devices are fully
specified at supplies of 3V, 5V and 10V ( 5V).
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With an input range extending to the negative rail and
rail-to-rail output stage, the operational amplifier can
accommodate wide swinging signals, and true single
supply operation.
APPLICATIONS
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Optical Electronics: Fast AC-Coupled Transimpedance
For space constrained applications, the amplifiers come
in 2mm × 2mm DFN (single) and 3mm × 3mm DFN
(dual) packages. The devices are also available in 8-lead
SOIC,TSOT-23 and MS8E.
Amplifiers
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Driving High Dynamic Range A/D Converters
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Active Filters
Video Amplifiers
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These amplifiers can be used as replacements for many high
speed op amps to improve speed, noise and dynamic range.
All registered trademarks and trademarks are the property of their respective owners.
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Low Voltage Low Distortion Amplification
16-Bit ADC Driver Performance
Input Signal = –0.5dBFS
TYPICAL APPLICATION
fSMPL = 4Msps, fIN = 50kHz
High Performance Transparent LTC6227 Based Driver for the 16-Bit AD7380
0
ꢀꢁ0
ꢀꢁꢂꢃꢄ
ꢀ0ꢁꢂꢃ ꢄꢅꢆꢇꢈ ꢉꢄꢊꢅꢋꢌ
ꢀꢁꢀ
ꢀꢁR ꢂ ꢃꢄ ꢅꢆ
ADR4533
ꢇꢈꢉ ꢂ ꢊꢄ0ꢋꢌꢍ ꢅꢆ
ꢀꢎꢉR ꢂ ꢄ0ꢍꢌꢏ ꢅꢆ
5V
ꢀꢁ0
3.3V
3.3V
+
ꢀꢁ0
1/2 LTC6227
2.2µF
3.3V
2.5V
0V
ꢀꢁ0
–
33Ω
68pF
ꢀꢁ00
ꢀꢁꢂ0
ꢀꢁꢂ0
ꢀꢁꢂ0
ꢀꢁꢂ0
+
–
V
V
V
CC REF LOGIC
IN
330pF
AD7380
3.3V
0V
+
68pF
33Ω
1/2 LTC6227
IN
62267 TA01a
–
0
ꢀ00
ꢀ00
ꢀꢁ00
ꢀꢁ00
ꢀ000
–2.5V
ꢀRꢁꢂꢃꢁꢄꢅꢆ ꢇꢈꢉꢊꢋ
ꢀꢁꢂꢃꢄꢄꢅꢅ ꢁꢆ0ꢇꢈ
Rev 0
1
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