LT6402 Linear Technology Corporation, LT6402 Datasheet - Page 16

• Manufacturer Part Number: LT6402
• Description: 300mhz Low Distortion, Low Noise Differential Ampli?er/ Adc Driver Av = 20db
• Manufacturer: Linear Technology Corporation

RELATED PARTS
LT6402-20
TYPICAL APPLICATIO
PART NUMBER
LT1993-2
LT1993-4
LT1993-10
LT5514
LT6600-5
LT6600-10
LT6600-20
LT6402-6
LT6402-12
LT6411
16
TEST IN
V
OCM
–IN
+IN
J1
J2
J3
J6
ENABLE
GND
TP1
TP2
TP3
V
CC
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
1
1
1
0dB
0Ω
[1]
R2
R1
2
1
5
4
5
4
R19
14k
1:1 Z-RATIO
C14
4.7µF
CIRCUITS
M/A-COM
TCM 4-19
ETC1-1T
V
R20
MINI-
11k
CC
DESCRIPTION
800MHz Differential Amplifier/ADC Driver
900MHz Differential Amplifi er/ADC Driver
700MHz Differential Amplifi er/ADC Driver
Ultralow Distortion IF Amplifi er/ADC Driver
Very Low Noise Differential Amplifi er and 5MHz Lowpass Filter 82dB S/N with 3V Supply, SO-8 Package
Very Low Noise Differential Amplifi er and 10MHz Lowpass
Filter
Very Low Noise Differential Amplifi er and 20MHz Lowpass
Filter
300MHz Differential Amplifi er/ADC Driver
300MHz Differential Amplifi er/ADC Driver
650MHz Differential ADC Driver/Dual Selectable Gain Amplifi er 3300V/µs Slew Rate, 16mA Current Consumption, Selectable Gain:
1:4
T1
T3
49.9Ω
49.9Ω
R4
R3
2
1
V
CC
●
FAX: [phone]
1
3
1
3
C15
1µF
2
2
C19, 0.1µF
0.1µF
1
0.1µF
1
0.1µF
1
R18
C21
0Ω
1
C2
C1
GND
SW1
2
2
2
0.01µF
2
1
NOTES: UNLESS OTHERWISE SPECIFIED,
[1] DO NOT STUFF.
0Ω
0Ω
C10
R6
R5
2
0dB
2
1
V
3
CC
V
U
CC
R17
0Ω
13
14
15
16
1000pF
Demo Circuit DC954A Schematic (AC Test Circuit)
●
–INB
–INA
+INB
+INA
C9
www.linear.com
V
12
CC
V
1
2
1
V
CCC
R16
EEC
0Ω
R21
[1]
ENABLE
V
11
2
2
1
LT6402-20
OCM
0.1µF
1
C7
0.01µF
C6
V
3
2
1
CCA
10
2
–OUTFILTERED
+OUTFILTERED
V
V
CCB
CC
C12
1000pF
0.1µF
1
C5
2
1
9
V
4
V
EEA
EEB
2
R22
–OUT
+OUT
[1]
C17
1000pF
2
1
V
CC
8
7
6
5
C13
0.01µF
24.9Ω
24.9Ω
R10
[1]
[1]
R8
R7
R9
2
1
C18
0.01µF
COMMENTS
A
A
A
Digitally Controlled Gain Output IP3 47dBm at 100MHz
82dB S/N with 3V Supply, SO-8 Package
76dB S/N with 3V Supply, SO-8 Package
A
A
A
V
V
V
V
V
V
L1
[1]
= 6dB, e
= 12dB, e
= –1, +1, +2
= 2V/V, NF = 12.3dB, OIP3 = 38dBm at 70MHz
= 4V/V, NF = 14.5dB, OIP3 = 40dBm at 70MHz
= 10V/V, NF = 12.7dB, OIP3 = 40dBm at 70MHz
2
1
C20, 0.1µF
1
1
0.1µF
0.1µF
1
C8
[1]
C4
C3
n
2
2
2
n
= 3.8nV/√Hz at 20MHz, 150mV
= 2.6nV/√Hz at 20MHz, 150mV
1
2
1
2
+18.8dB
2
C11
[1]
C16
[1]
3
1
CIRCUITS
TCM 4-19
MINI-
4:1
T4
75Ω
75Ω
R12
R11
R15
[1]
4
5
+14dB
© LINEAR TECHNOLOGY CORPORATION 2005
2
1
2
J7
TEST OUT
C22
0.1µF
3
1
4:1 Z-RATIO
CIRCUITS
TCM 4-19
MINI-
T2
R14
R13
0Ω
[1]
LT 0706 • PRINTED IN USA
4
5
6402 TA02
+8dB
J4
–OUT
J5
+OUT
640220fa