LT1228 Linear Technology, LT1228 Datasheet - Page 7

• Manufacturer Part Number: LT1228
• Description: 100MHz Current Feedback Amplifier with DC Gain Control
• Manufacturer: Linear Technology

TYPICAL PERFOR
–0.5
–1.0
–1.5
–2.0
10k
100
100
2.0
1.5
1.0
0.5
10
10
1k
V
V
1
1
+
–
–50
10
0
Maximum Capacitive Load vs
Feedback Resistor
Input Common-Mode Limit vs
Temperature
Spot Noise Voltage and Current vs
Frequency
–25
FEEDBACK RESISTOR (k )
100
–i
1
0
TEMPERATURE (°C)
e
n
FREQUENCY (Hz)
n
V
V
+i
+
–
V
25
n
S
= 2V TO 15V
= –2V TO –15V
= ±5V
1k
V
50
S
2
= ±15V
R
PEAKING
GAIN = 2
L
= 1k
75
10k
W
LT1228 • TPC19
LT1228 • TPC25
LT1228 • TPC22
100
3
A
5dB
U
100k
125
CE
C
0.001
HARA TERISTICS
–0.5
0.10
0.01
–1.0
1.0
0.5
V
V
80
60
40
20
0
+
–
–50
10k
10
Total Harmonic Distortion vs
Frequency
Output Saturation Voltage vs
Temperature
Power Supply Rejection vs
Frequency
V
R
R
V
V
–25
S
O
O
L
F
= ±15V
= 400
= R
= 7V
= 1V
C
100k
G
100
RMS
RMS
= 750
0
TEMPERATURE (°C)
R
±2V
FREQUENCY (Hz)
FREQUENCY (Hz)
L
=
25
NEGATIVE
V
1M
1k
S
POSITIVE
50
±15V
V
R
R
S
L
F
= R
75
= ±15V
= 100
10M
10k
G
LT1228 • TPC20
LT1228 • TPC23
LT1228 • TPC26
= 750
100
Current Feedback Amplifier, Pins 1, 6, 8
100M
100k
125
0.001
0.01
–20
–30
–40
–50
–60
–70
100
1.0
0.1
70
60
50
40
30
10
–50
10k
1
2nd and 3rd Harmonic
Distortion vs Frequency
Output Short-Circuit Current vs
Temperature
Output Impedance vs
Frequency
V
R
S
–25
F
V
V
R
R
A
= ±15V
= R
S
O
L
F
V
= 750
= ±15V
= 2V
= 100
= 10dB
G
100k
0
= 2k
P–P
TEMPERATURE (°C)
FREQUENCY (MHz)
25
FREQUENCY (Hz)
50
R
F
1M
10
= R
75
G
LT1228
= 750
100
10M
2nd
125
LT1228 • TPC21
LT1228 • TPC24
LT1228 • TPC27
150
3rd
7
100M
175
100