Datasheet

5
LT1210
1210fa
TYPICAL PERFOR A CE CHARACTERISTICS
WU
Bandwidth vs Supply Voltage
4
0
20
50
8
12
10
40
30
610
14
16
18
SUPPLY VOLTAGE (±V)
–3dB BANDWIDTH (MHz)
1210 G02
PEAKING ≤ 1dB
PEAKING ≤ 5dB
R
F
= 560Ω
R
F
= 1k
R
F
= 2k
R
F
= 750Ω
A
V
= 2
R
L
= 10Ω
4
0
10
30
40
50
100
70
8
12
20
80
90
60
610
14
16
18
SUPPLY VOLTAGE (±V)
– 3dB BANDWIDTH (MHz)
1210 G01
PEAKING ≤ 1dB
PEAKING ≤ 5dB
R
F
= 470Ω
R
F
= 560Ω
R
F
= 750Ω
R
F
= 1k
R
F
= 1.5k
A
V
= 2
R
L
= 100Ω
R
F
= 680Ω
4
0
10
30
40
50
100
70
8
12
20
80
90
60
610
14
16
18
SUPPLY VOLTAGE (±V)
–3dB BANDWIDTH (MHz)
1210 G04
PEAKING ≤ 1dB
PEAKING ≤ 5dB
R
F
= 470Ω
R
F
= 1.5k
R
F
= 330Ω
R
F
= 680Ω
R
F
=390Ω
A
V
= 10
R
L
= 100Ω
Bandwidth vs Supply Voltage
4
0
20
50
8
12
10
40
30
610
14
16
18
SUPPLY VOLTAGE (±V)
– 3dB BANDWIDTH (MHz)
1210 G05
PEAKING ≤ 1dB
R
F
= 560Ω
R
F
= 1k
R
F
= 1.5k
A
V
= 10
R
L
= 10Ω
R
F
= 680Ω
Bandwidth and Feedback Resistance
vs Capacitive Load for Peaking ≤ 5dB
Differential Phase vs
Supply Voltage
SUPPLY VOLTAGE (±V)
5
DIFFERENTIAL PHASE (DEG)
0.6
0.5
0.4
0.3
0.2
0.1
0
13
1210 G07
7
9
11
15
R
F
= R
G
= 750Ω
A
V
= 2
R
L
= 10Ω
R
L
= 50Ω
R
L
= 15Ω
R
L
= 30Ω
Differential Gain vs
Supply Voltage
SUPPLY VOLTAGE (±V)
5
DIFFERENTIAL GAIN (%)
0.5
0.4
0.3
0.2
0.1
0
13
1210 G08
7
9
11
15
R
F
= R
G
= 750Ω
A
V
= 2
R
L
= 10Ω
R
L
= 15Ω
R
L
= 30Ω
R
L
= 50Ω
Spot Noise Voltage and Current
vs Frequency
CAPACITIVE LOAD (pF)
100
FEEDBACK RESISTANCE (Ω)
1k
10k
100101 10000
1210 G03
1000
BANDWIDTH
FEEDBACK RESISTANCE
A
V
= 2
R
L
= ∞
V
S
= ±15V
C
COMP
= 0.01µF
1
10
100
–3dB BANDWIDTH (MHz)
CAPACITIVE LOAD (pF)
FEEDBACK RESISTANCE (Ω)
1
1210 G06
10 100 1000 10000
0
–3dB BANDWIDTH (MHz)
1k
10k
0100
10
100
1
FEEDBACK
RESISTANCE
BANDWIDTH
A
V
= +2
R
L
= ∞
V
S
= ±15V
C
COMP
= 0.01µF
FREQUENCY (Hz)
10
1
10
100
100 100k
1210 G09
1k 10k
SPOT NOISE (nV/√Hz OR pA/√Hz)
e
n
–i
n
+i
n
Bandwidth vs Supply Voltage
Bandwidth and Feedback Resistance
vs Capacitive Load for Peaking ≤ 1dB
Bandwidth vs Supply Voltage