LTC6421-20
16
642120fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2008
LT 0310 REV B • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
High-Speed Differential Amplifi ers/Differential Op Amps
LT
®
1993-2 800MHz Differential Amplifi er/ADC Driver A
V
= 2V/V, OIP3 = 38dBm at 70MHz
LT1993-4 900MHz Differential Amplifi er/ADC Driver A
V
= 4V/V, OIP3 = 40dBm at 70MHz
LT1993-10 700MHz Differential Amplifi er/ADC Driver A
V
= 10V/V, OIP3 = 40dBm at 70MHz
LT1994 Low Noise, Low Distortion Differential Op Amp 16-Bit SNR and SFDR at 1MHz, Rail-to-Rail Outputs
LT5514 Ultralow Distortion IF Amplifi er/ADC Driver with Digitally
Controlled Gain
OIP3 = 47dBm at 100MHz, Gain Control Range 10.5dB to 33dB
LT5524 Low Distortion IF Amplifi er/ADC Driver with Digitally
Controlled Gain
OIP3 = 40dBm at 100MHz, Gain Control Range 4.5dB to 37dB
LTC6400-8/
LTC6400-14/
LTC6400-20/
LTC6400-26
Low Noise, Low Distortion, Differential ADC Drivers A
V
= 8dB/14dB/20dB/26dB, Single Amplifi er per IC, High Performance
LTC6401-8/
LTC6401-14/
LTC6401-20/
LTC6401-26
Low Noise, Low Distortion, Differential ADC Drivers A
V
= 8dB/14dB/20dB/26dB, Single Amplifi er per IC, Low Power
LT6402-6 300MHz Differential Amplifi er/ADC Driver A
V
= 6dB, Distortion < –80dBc at 25MHz
LT6402-12 300MHz Differential Amplifi er/ADC Driver A
V
= 12dB, Distortion < –80dBc at 25MHz
LT6402-20 300MHz Differential Amplifi er/ADC Driver A
V
= 20dB, Distortion < –80dBc at 25MHz
LTC6404-1 600MHz, Low Noise, AC Precision, Fully Differential
Input/Output Amplifi er/Driver
A
V
= Unity Gain, e
n
= 1.5nV/Hz, Distortion < –90dBc at 10MHz
LTC6404-2 900MHz, Low Noise, AC Precision, Fully Differential
Input/Output Amplifi er/Driver
A
V
= 2V/V, e
n
= 1.5nV/Hz, Distortion < –95dBc at 10MHz
LTC6404-4 1800MHz, Low Noise, AC Precision, Fully Differential
Input/Output Amplifi er/Driver
A
V
= 4V/V, e
n
= 1.5nV/Hz, Distortion < –98dBc at 10MHz
LTC6406 3GHz Rail-to-Rail Input Differential Op Amp 1.6nV/√Hz Noise, –72dBc Distortion at 50MHz, 18mA
LT6411 Low Power Differential ADC Driver/Dual Selectable Gain
Amplifi er
16mA Supply Current, IMD3 = –83dBc at 70MHz, A
V
= 1, –1 or 2
TYPICAL APPLICATION
Dual ADC Driver for Wideband Direct-Conversion Receivers
+
–
3V 3V
R3
10Ω
R4
10Ω
1/2
LTC6421-20
C2
12pF
V
IN
642120 TA03
C3
12pF
C1
0.1μF
C4
0.1μF
1/2 LTC2285
–3dB FILTER BANDWIDTH = 140MHz
R1
40.2Ω
R2
40.2Ω
V
CM
