LT1795
SMALL-SIGNAL BANDWIDTH
R
SD
= 0Ω, I
S
= 30mA per Amplifer, V
S
=
±15V,
Peaking
≤
1dB, R
L
= 25Ω
A
V
–1
1
2
10
R
F
976
1.15k
976
649
R
G
976
—
976
72
–3dB BW
(MHz)
44
53
48
46
TYPICAL PERFOR A CE CHARACTERISTICS
Supply Current vs Ambient
Temperature
40
V
+
OUTPUT SATURATION VOLTAGE (V)
SUPPLY CURRENT PER AMPLIFIER (mA)
35
30
25
20
15
10
5
–1
–2
–3
–4
OUTPUT SHORT-CIRCUIT CURRENT (A)
V
S
=
±15V
A
V
= 1
R
L
=
∞
R
SD
= 0Ω
R
SD
= 51kΩ
0
–50 –25
50
25
75
0
TEMPERATURE (°C)
SHDN Pin Current vs Voltage
0.6
V
S
=
±15V
V
SHDNREF
= 0V
–40
–50
DISTORTION (dBc)
–60
–70
CURRENT INTO SHDN PIN (mA)
0.5
0.4
0.3
0.2
0.1
0
DISTORTION (dBc)
0
1
2
3
4
VOLTAGE APPLIED AT SHDN PIN (V)
4
U W
U
U
W
R
SD
= 51kΩ, I
S
= 15mA per Amplifer, V
S
=
±15V,
Peaking
≤
1dB, R
L
= 25Ω
A
V
–1
1
2
10
R
F
976
1.15k
976
649
R
G
976
—
976
72
–3dB BW
(MHz)
30
32
32
27
Output Saturation Voltage vs
Junction Temperature
V
S
=
±15V
Output Short-Circuit Current vs
Junction Temperature
2.0
V
S
=
±15V
1.8
1.6
1.4
SOURCING
1.2
SINKING
1.0
0.8
0.6
–50 –25
R
L
= 2k
R
L
= 25Ω
4
3
2
1
R
L
= 2k
25 50
0
75
TEMPERATURE (°C)
100
125
R
L
= 25Ω
100
125
V
–
–50 –25
50
25
75
0
TEMPERATURE (°C)
100
125
LT1795
G01
LT1795 G02
LT1795
G03
Second Harmonic Distortion vs
Frequency
–40
A
V
= 2 DIFFERENTIAL
V
OUT
= 20V
P-P
V
S
=
±15V
R
LOAD
= 50Ω
I
Q
PER AMPLIFIER
I
Q
= 5mA
I
Q
= 10mA
–80
–90
–100
10k
I
Q
= 15mA
I
Q
= 20mA
100k
FREQUENCY (Hz)
1M
LT1795 G05
Third Harmonic Distortion vs
Frequency
A
V
= 2 DIFFERENTIAL
V
OUT
= 20V
P-P
V
S
=
±15V
R
LOAD
= 50Ω
I
Q
PER AMPLIFIER
–50
–60
–70
–80
–90
I
Q
= 5mA
I
Q
= 10mA
I
Q
= 20mA
I
Q
= 15mA
–100
10k
100k
FREQUENCY (Hz)
1M
LT1795 G06
5
1795 G04
LINER [ LINEAR TECHNOLOGY ]
