ltc6420 Linear Technology Corporation, ltc6420 Datasheet - Page 12

• Manufacturer Part Number: ltc6420
• Description: Dual Matched 1.8ghz Differential Ampli?ers/adc Drivers
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATION
LTC6420-20
RELATED PARTS
PART NUMBER
High-Speed Differential Amplifi ers/Differential Op Amps
LT
LT1993-4
LT1993-10
LT1994
LT5514
LT5524
LT6402-6
LT6402-12
LT6402-20
LT6411
LTC6400-20,
LTC6400-26
LTC6401-8,
LTC6401-14
LTC6401-20,
LTC6401-26
LTC6404-1
LTC6406
12
®
1993-2
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
800MHz Differential Amplifi er/ADC Driver
900MHz Differential Amplifi er/ADC Driver
700MHz Differential Amplifi er/ADC Driver
Low Noise, Low Distortion Differential Op Amp
Ultralow Distortion IF Amplifi er/ADC Driver with Digitally
Controlled Gain
Low Distortion IF Amplifi er/ADC Driver with Digitally
Controlled Gain
300MHz Differential Amplifi er/ADC Driver
300MHz Differential Amplifi er/ADC Driver
300MHz Differential Amplifi er/ADC Driver
Low Power Differential ADC Driver/Dual Selectable Gain
Amplifi er
Low Noise, Low Distortion, Differential ADC Drivers
Low Noise, Low Distortion, Differential ADC Drivers
Low Noise Rail-to-Rail Output Differential Amplifi er/ADC Driver 1.5nV/√Hz, –92dB Distortion at 10MHz
3GHz Rail-to-Rail Input Differential Op Amp
●
FAX: [phone]
+
–
Dual ADC Driver for Wideband Direct-Conversion Receivers
0.1μF
C1
V
IN
●
LTC6420-20
www.linear.com
3V
1/2
–3dB FILTER BANDWIDTH = 140MHz
40.2Ω
40.2Ω
R1
R2
C2
12pF
C3
12pF
10Ω
10Ω
COMMENTS
A
A
A
16-Bit SNR and SFDR at 1MHz, Rail-to-Rail Outputs
OIP3 = 47dBm at 100MHz, Gain Control Range 10.5dB to 33dB
OIP3 = 40dBm at 100MHz, Gain Control Range 4.5dB to 37dB
A
A
A
16mA Supply Current, IMD3 = –83dBc at 70MHz, A
A
A
1.6nV/√Hz Noise, –72dBc Distortion at 50MHz, 18mA
R3
R4
V
V
V
V
V
V
V
V
= 2V/V, OIP3 = 38dBm at 70MHz
= 4V/V, OIP3 = 40dBm at 70MHz
= 10V/V, OIP3 = 40dBm at 70MHz
= 6dB, Distortion < –80dBc at 25MHz
= 12dB, Distortion < –80dBc at 25MHz
= 20dB, Distortion < –80dBc at 25MHz
= 20dB, 26dB; Single Amplifi er per IC, High Performance
= 8dB, 14dB, 20dB, 26dB; Single Amplifi er per IC, Low Power
642020 TA04
1/2 LTC2285
V
3V
CM
C4
0.1μF
© LINEAR TECHNOLOGY CORPORATION 2008
LT 0408 • PRINTED IN USA
V
= 1, –1 or 2
642020f