LT1993-4 Linear Technology, LT1993-4 Datasheet - Page 6

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

LT1993-4
TYPICAL PERFOR A CE CHARACTERISTICS
6
–100
–110
–10
–20
–30
–40
–50
–60
–70
–80
–90
18
15
12
–3
–6
60
55
50
45
40
35
30
25
20
9
6
3
0
1
0
Frequency Response
R
Third Order Intermodulation
Distortion vs Frequency
Differential Input, No R
0
Output Third Order Intercept vs
Frequency, Differential Input
No R
V
UNFILTERED: R
FILTERED: R
(EXTERNAL) + 50Ω (INTERNAL
FILTERED OUTPUTS)
2 TONES, 2V
1MHz TONE SPACING
2 TONES, 2V
1MHz TONE SPACING
LOAD
IN
UNFILTERED
= 50mV
20
FILTERED
OUTPUTS
20
OUTPUTS
LOAD
= 400Ω
10
P-P
40
40
LOAD
FREQUENCY (MHz)
P-P
FREQUENCY (MHz)
FREQUENCY (MHz)
P-P
LOAD
COMPOSITE
COMPOSITE
= 350Ω
60
60
100
= 400Ω
UNFILTERED
80
OUTPUTS
80
FILTERED
OUTPUTS
FILTERED
OUTPUTS
100
100
LOAD
UNFILTERED
1000
W
OUTPUTS
120
120
19934 G01
19934 G04
19334 G07
U
10000
140
140
–100
–110
–10
–20
–30
–40
–50
–60
–70
–80
–90
27
24
21
18
15
12
60
55
50
45
40
35
30
25
20
9
6
3
1
0
Frequency Response vs C
R
Third Order Intermodulation
Distortion vs Frequency
Differential Input, R
0
Output Third Order Intercept vs
Frequency, Differential Input
R
V
UNFILTERED OUTPUTS
2 TONES, 2V
1MHz TONE SPACING
2 TONES, 2V
1MHz TONE SPACING
LOAD
LOAD
IN
= 50mV
20
20
= 400Ω
= 400Ω
10
40
P-P
40
P-P
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
P-P
COMPOSITE
COMPOSITE
60
60
100
10pF
80
UNFILTERED
80
OUTPUTS
LOAD
0pF
FILTERED
OUTPUTS
FILTERED
OUTPUTS
100
100
UNFILTERED
1000
OUTPUTS
= 400Ω
5pF
1.8pF
LOAD
120
120
19934 G02
19934 G05
19334 G08
10000
140
140
–100
–110
–10
–20
–30
–40
–50
–60
–70
–80
–90
18
15
12
–3
–6
30
60
55
50
45
40
35
25
20
9
6
3
0
1
0
Frequency Response
R
Third Order Intermodulation
Distortion vs Frequency
Differential Input, R
0
Output Third Order Intercept vs
Frequency, Differential Input
R
V
UNFILTERED: R
FILTERED: R
(EXTERNAL) + 50Ω (INTERNAL
FILTERED OUTPUTS)
2 TONES, 2V
1MHz TONE SPACING
2 TONES, 2V
1MHz TONE SPACING
LOAD
LOAD
IN
UNFILTERED
= 50mV
OUTPUTS
FILTERED
OUTPUTS
20
20
= 100Ω
= 100Ω
10
www.DataSheet4U.com
40
P-P
40
LOAD
FREQUENCY (MHz)
P-P
FREQUENCY (MHz)
FREQUENCY (MHz)
P-P
LOAD
COMPOSITE
COMPOSITE
= 50Ω
60
60
100
= 100Ω
FILTERED
OUTPUTS
80
80
FILTERED
OUTPUTS
LOAD
UNFILTERED
OUTPUTS
100
100
UNFILTERED
1000
OUTPUTS
= 100Ω
120
120
19934 G03
19934 G06
19334 G09
19934fa
10000
140
140