LT1993-4 Linear Technology, LT1993-4 Datasheet - Page 16

• Manufacturer Part Number: LT1993-4
• Description: 900MHz Low Distortion - Low Noise Differential Amplifier/ADC Driver
• Manufacturer: Linear Technology

RELATED PARTS
LT1993-4
TYPICAL APPLICATIO
PART NUMBER
LT1993-2
LT1993-10
LT5514
LT6600-2.5
LT6600-5
LT6600-10
LT6600-20
16
TEST IN
V
OCM
–IN
+IN
J1
J2
J6
J3
ENABLE
GND
TP1
TP2
TP3
V
CC
1
1
1
0dB
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
0
R2
[1]
R1
2
1
5
4
5
4
R19
14k
1:1 Z-RATIO
C14
4.7
ETC1-1-13
CIRCUITS
TCM 4-19
MA/COM
V
R20
MINI-
m
11k
CC
1:4
DESCRIPTION
800MHz 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 2.5MHz Lowpass Filter
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
T1
T3
F
50
50
R4
2
1
V
R3
CC
●
FAX: [phone]
1
3
1
3
C15
1
m
2
2
F
C19 0.1
1
1
1
0.1
0.1
0.1
R18
0
C21
C11
C2
1
GND
m
m
m
F
F
SW1
2
2
F
2
0.01
2
1
m
F
NOTES: UNLESS OTHERWISE SPECIFIED,
[1] DO NOT STUFF.
0
0
C10
R6
R5
m
F
2
0dB
2
1
V
3
CC
U
V
CC
R17
0
13
14
15
16
1000pF
●
–INB
–INA
+INB
+INA
www.linear.com
C9
V
12
CC
V
1
2
1
V
R16
CCC
0
EEC
R21
[1]
Demo Circuit DC800A Schematic
V
ENABLE
11
2
2
1
OCM
LT1993-4
1
0.1
C7
0.01
C6
V
3
m
2
1
10
CCA
F
2
m
–OUTFILTERED
+OUTFILTERED
(AC Test Circuit)
V
V
F
CC
CCB
C12
1000pF
0.1
1
C5
V
2
1
9
V
4
m
EEA
EEB
F
2
R22
–OUT
+OUT
[1]
C17
1000pF
2
1
V
CC
8
7
6
5
24.9
24.9
C13
0.01
R10
[1]
[1]
R9
R8
R7
2
1
m
F
C18
0.01
COMMENTS
Av = 2V/V, NF = 12.3dB, OIP3 = 38dBm at 70MHz
Av = 10V/V, NF = 12.7dB, OIP3 = 40dBm at 70MHz
Digitally Controlled Gain Output IP3 47dBm at 100MHz
86dB S/N with 3V Supply, SO-8 Package
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
m
L1
[1]
F
2
1
C20 0.1
1
1
1
0.1
0.1
C8
[1]
C4
C3
m
m
F
2
F
2
2
m
F
1
2
1
2
+10.8dB
2
C11
[1]
C16
[1]
3
1
CIRCUITS
TCM 4-19
MINI-
4:1
75
T4
R12
75
R11
R15
[1]
© LINEAR TECHNOLOGY CORPORATION 2005
4
5
+6dB
www.DataSheet4U.com
2
1
LT/LT 1005 REV A • PRINTED IN USA
2
J7
TEST OUT
C22
0.1
3
1
m
4:1 Z-RATIO
F
CIRCUITS
TCM 4-19
MINI-
T2
R13
R14
0
[1]
4
5
19934 TA03
0dB
J4
–OUT
J5
+OUT
19934fa