LTC6246/LTC6247/LTC6248
TYPICAL APPLICATION
700kHz, 1MΩ Single Supply Photodiode Amplifier
Output Noise Spectrum
Transient Response
R1
1M, 1%
200
5V/DIV
LED DRIVER
VOLTAGE
C1
0.1pF
3V
R2
1k
20nV/√Hz/DIV
3V
500mV/DIV
OUTPUT
+
I
Q1
NXP
BF862
PD
LTC6246
V
≈ 0.5V + I • 1M
PD
OUT
WAVEFORM
0V
–
C2
PD1
OSRAM
SFH213
–3dB BW = 700kHz
= 2.2mA
OUTPUT NOISE = 153µV
RMS
MEASURED ON A 1MHz BW
6.8nF
FILM
OR NPO
R3
1k
0
624678 TA02c
I
CC
500ns/DIV
C3
0.1µF
10kHz
100kHz
1MHz
624678 TA02b
R4
10k
R5
20k
3V
624678 TA02a
RELATED PARTS
PART NUMBER DESCRIPTION
Operational Amplifiers
COMMENTS
LT1818/LT1819 Single/Dual Wide Bandwidth, High Slew Rate Low Noise and
Distortion Op Amps
400MHz, 9mA, 6nV/√Hz, 2500V/µs, 1.5mV –85dBc at 5MHz
LT1806/LT1807 Single/Dual Low Noise Rail-to-Rail Input and Output Op Amps 325MHz, 13mA, 3.5nV/√Hz, 140V/µs, 550µV, 85mA Output Drive
LT6230/LT6231/ Single/Dual/Quad Low Noise Rail-to-Rail Output Op Amps
LT6232
215MHz, 3.5mA, 1.1nV/√Hz, 70V/µs, 350µV
LT6200/LT6201 Single/Dual Ultralow Noise Rail-to-Rail Input/Output Op Amps 165MHz, 20mA, 0.95nV/√Hz, 44V/µs, 1mV
LT6202/LT6203/ Single/Dual/Quad Ultralow Noise Rail-to-Rail Op Amp
LT6204
100MHz, 3mA, 1.9nV/√Hz, 25V/µs, 0.5mV
LT1468
16-Bit Accurate Precision High Speed Op Amp
90MHz, 3.9mA, 5nV/√Hz, 22V/µs, 175µV,
–96.5dB THD at 10V , 100kHz
P-P
LT1803/LT1804/ Single/Dual/Quad Low Power High Speed Rail-to-Rail Input
LT1805 and Output Op Amps
85MHz, 3mA, 21nV√Hz, 100V/µs, 2mV
LT1801/LT1802 Dual/Quad Low Power High Speed Rail-to-Rail Input and
Output Op Amps
80MHz, 2mA, 8.5nV√Hz, 25V/µs, 350µV
LT6552
LT1028
Single Supply Rail-to-Rail Output Video Difference Amplifier
Ultralow Noise, Precision High Speed Op Amps
75MHz (–3dB), 13.5mA, 55.5nV/√Hz, 350V/µs, 20mV
75MHz, 9.5mA, 0.85nV/√Hz, 11V/µs, 40µV
60MHz, 1.2mA, 1.2nV/√Hz, 15V/µs, 0.5mV
LT6233/LT6234/ Single/Dual/Quad Low Noise Rail-to-Rail Output Op Amps
LT6235
LT6220/LT6221/ Single/Dual/Quad Low Power High Speed Rail-to-Rail Input
60MHz, 1mA, 10nV/√Hz, 20V/µs, 350µV
LT6222
and Output Op Amps
LT6244
Dual High Speed CMOS Op Amp
50MHz, 7.4mA, 8nV/√Hz, 35V/µs, 100µV, Input Bias Current = 1pA
45MHz, 4.3mA, 12nV/√Hz, 45V/µs, 1.35mV
LT1632/LT1633 Dual/Quad Rail-to-Rail Input and Output Precision Op Amps
LT1630/LT1631 Dual/Quad Rail-to-Rail Input and Output Op Amps
LT1358/LT1359 Dual/Quad Low Power High Speed Op Amps
ADC’s
30MHz, 3.5mA, 6nV/√Hz, 10V/µs, 525µV
25MHz, 2.5mA, 8nV/√Hz, 600V/µs, 800µV, Drives All Capacitive Loads
LTC2366
LTC2365
LTC1417
LTC1274
3Msps, 12-Bit ADC Serial I/O
72dB SNR, 7.8mW No Data Latency TSOT-23 Package
73dB SNR, 7.8mW No Data Latency TSOT-23 Package
Single 5V or 5V Supplies, 0V to 4.096V or 2.048V Input Range
1Msps, 12-Bit ADC Serial I/O
Low Power 14-Bit 400ksps ADC Parallel I/O
Low Power 12-Bit 400ksps ADC Parallel I/O
10mW Single 5V or 5V Supplies, 0V to 4.096V or 2.048V Input Range
624678fb
LT 0715 REV B • PRINTED IN USA
26 LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
For more information www.linear.com/LTC6246
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LINEAR TECHNOLOGY CORPORATION 2009
(408)432-1900 FAX: (408) 434-0507 www.linear.com/LTC6246