LT1993-4 Linear Technology, LT1993-4 Datasheet - Page 7

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

TYPICAL PERFOR A CE CHARACTERISTICS
–100
–110
–100
–110
–20
–30
–40
–50
–70
–80
–90
–40
–50
–60
–70
–80
–90
–10
–60
–10
30
25
20
15
10
–5
5
0
1
1
1
Distortion (Filtered) vs Frequency
Differential Input, No R
Output 1dB Compression vs
Frequency
Reverse Isolation vs Frequency
UNFILTERED OUTPUTS
FILTERED OUTPUTS
V
OUT
R
LOAD
R
= 2V
LOAD
= 100Ω
10
P-P
= 400Ω
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
10
10
100
UNFILTERED OUTPUTS
100
100
LOAD
1000
W
HD3
HD2
19934 G10
19934 G13
19934 G16
U
10000
1000
1000
–100
–110
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
125
100
–50
–75
150
–25
25
20
15
10
75
50
25
5
0
0
1
10
Distortion (Unfi ltered) vs
Frequency, Differential Input,
No R
Noise Figure vs Frequency
Differential Input Impedance vs
Frequency
1
UNFILTERED OUTPUTS
V
V
MEASURED USING
DC800A DEMO BOARD
OUT
CC
IMPEDANCE MAGNITUDE
= 5V
= 2V
LOAD
P-P
FREQUENCY (MHz)
10
FREQUENCY (MHz)
FREQUENCY (MHz)
10
IMPEDANCE PHASE
100
100
100
HD2
HD3
19934 G11
''!" / "
''!" / %
1000
1000
1000
–100
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
100
0.1
10
6
5
4
2
0
1
3
1
–1
10
Distortion vs Output Amplitude
70MHz Differential Input
No R
Input Referred Noise Voltage vs
Frequency
Differential Output Impedance vs
Frequency
1
UNFILTERED OUTPUTS
LOAD
1
HD3 FILTERED
OUTPUT AMPLITUDE (dBm)
OUTPUTS
www.DataSheet4U.com
HD2 FILTERED
FREQUENCY (MHz)
FREQUENCY (MHz)
10
3
OUTPUTS
HD3 UNFILTERED
LT1993-4
100
5
OUTPUTS
HD2 UNFILTERED
OUTPUTS
100
7
9
19934 G15
19934 G12
''!" / &
19934fa
7
1000
1000
11