LT6402-12 Linear Technology Corporation, LT6402-12 Datasheet - Page 16

• Manufacturer Part Number: LT6402-12
• Description: 300mhz Low Distortion, Low Noise Differential Amplifier/adc Driver Av = 12db
• Manufacturer: Linear Technology Corporation

LT6402-12
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER DESCRIPTION
LT1993-2
LT1993-4
LT1993-10
LT5514
LT6402-6
LT6402-20
LT6411
LT6600-5
LT6600-10
LT6600-20
16
TEST IN
V
OCM
–IN
+IN
J1
J2
J3
J6
ENABLE
GND
TP1
TP2
V
TP3
CC
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
1
1
1
0dB
0Ω
R2
R1
[1]
2
1
5
4
800MHz Differential Amplifier/ADC Driver
900MHz Differential Amplifi er/ADC Driver
700MHz Differential Amplifi er/ADC Driver
Ultralow Distortion IF Amplifi er/ADC Driver
300MHz Differential Amplifi er/ADC Driver
300MHz Differential Amplifi er/ADC Driver
650MHz Differential ADC Driver/Dual Selectable Gain Amplifi er
Very Low Noise Differential Amplifi er and 5MHz Lowpass Filter
Very Low Noise Differential Amplifi er and 10MHz Lowpass Filter
Very Low Noise Differential Amplifi er and 20MHz Lowpass Filter
5
4
R19
14k
1:1 Z-RATIO
C14
4.7μF
M/A-COM
CIRCUITS
TCM 4-19
ETC1-1T
V
R20
MINI-
11k
CC
1:4
T1
T3
49.9Ω
49.9Ω
2
1
R4
R3
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
C10
R6
R5
0Ω
2
0dB
2
1
V
3
CC
V
CC
R17
0Ω
Demo Circuit DC954A Schematic (AC Test Circuit)
13
14
15
16
●
1000pF
www.linear.com
–INB
–INA
+INB
+INA
C9
V
12
CC
V
1
V
2
1
CCC
R16
EEC
0Ω
R21
[1]
V
ENABLE
11
2
2
1
OCM
LT6402-12
1
0.1μF
C7
0.01μF
C6
V
3
2
1
10
CCA
2
V
V
–OUTFILTERED
+OUTFILTERED
CCB
CC
C12
1000pF
1
0.1μF
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
R8
[1]
R7
[1]
R9
2
1
COMMENTS
A
A
A
Digitally Controlled Gain Output IP3 47dBm at 100MHz
A
A
3300V/μs Slew Rate, 16mA Current Consumption, Selectable Gain:
A
82dB S/N with 3V Supply, SO-8 Package
82dB S/N with 3V Supply, SO-8 Package
76dB S/N with 3V Supply, SO-8 Package
C18
0.01μF
V
V
V
V
V
V
= 6dB, e
= 20dB, 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
L1
[1]
2
1
C20, 0.1μF
n
0.1μF
1
0.1μF
1
1
n
C8
[1]
C4
C3
= 3.8nV/√Hz at 20MHz, 150mW
= 1.9nV/√Hz at 20MHz, 150mW
2
2
2
1
2
1
2
+10.8dB
2
C11
[1]
C16
[1]
3
1
CIRCUITS
TCM 4-19
MINI-
4:1
T4
R12
75Ω
R11
75Ω
R15
[1]
© LINEAR TECHNOLOGY CORPORATION 2006
4
5
+6dB
640212 TA02
2
1
2
LT 1007 REV A • PRINTED IN USA
J7
TEST OUT
C22
0.1μF
3
1
4:1 Z-RATIO
CIRCUITS
TCM 4-19
MINI-
T2
R14
R13
0Ω
[1]
4
5
0dB
640212fa
J4
–OUT
J5
+OUT