Datasheet

6
LT1227
Settling Time to 10mV
vs Output Step
SUPPLY VOLTAGE (±V)
0
4
SUPPLY CURRENT (mA)
5
7
8
9
14
11
4
8
10 18
LT1227 • TPC21
6
12
13
10
26
12
14
16
–55°C
25°C
125°C
175°C
Supply Current vs Supply Voltage
Differential Gain vs Frequency
Differential Phase vs Frequency
Output Impedance in Shutdown
vs Frequency
2nd and 3rd Harmonic Distortion
vs Frequency
Test Circuit for 3rd Order Intercept
–
+
50Ω
50Ω
LT1227
1227 TC
75Ω
680Ω
P
O
MEASURE INTERCEPT AT P
O
Settling Time to 1mV
vs Output Step
FREQUENCY (Hz)
100k
0.06
DIFFERENTIAL GAIN (%)
0.02
0.01
0
1M 10M 100M
LT1227 • TPC24
0.03
0.05
0.04
V
S
= ±15V
A
V
= 2
R
L
= 1k
R
F
= 1k
R
G
= 1k
(V
O
)
DC
= 0.5V
1.0V
2.0V
FREQUENCY (Hz)
100k
0.30
DIFFERENTIAL PHASE (DEG)
0.10
0.05
0
1M 10M 100M
LT1227 • TPC23
0.15
0.20
0.25
(V
O
)
DC
= 0.5V
1.0V
1.5V
2.0V
V
S
= ±15V
A
V
= 2
R
L
= 1k
R
F
= 1k
R
G
= 1k
FREQUENCY (Hz)
100k
0.1
OUTPUT IMPEDANCE (kΩ)
1
10
100
1M 10M 100M
LT1227 • TPC22
V
S
= ±15V
A
V
= 1
R
F
= 1.5k
FREQUENCY (MHz)
1
–70
DISTORTION (dBc)
–60
–50
–40
–30
–20
10 100
LT1227 • TPC25
V
S
= ±15V
V
O
= 2V
P-P
R
L
= 100Ω
R
F
= 820Ω
A
V
= 10dB
2ND
3RD
3rd Order Intercept vs Frequency
FREQUENCY (MHz)
0
15
3RD ORDER INTERCEPT (dBm)
20
25
30
35
40
45
10 20 30 40
LT1227 • TPC26
50 60
V
S
= ±15V
R
L
= 100Ω
R
F
= 680Ω
R
G
= 75Ω
SETTLING TIME (µs)
0
OUTPUT STEP (V)
2
6
10
16
LT1227 • TPC20
–2
–6
–10
4
8
12
20
0
4
8
–4
–8
V
S
= ±15V
R
F
= R
G
= 1k
NONINVERTING
INVERTING
SETTLING TIME (ns)
0
OUTPUT STEP (V)
2
6
10
80
LT1227 • TPC19
–2
–6
–10
20
40
60
100
0
4
8
–4
–8
V
S
= ±15V
R
F
= R
G
= 1k
NONINVERTING
INVERTING
CCHARA TERIST
ICS
UW
AT
Y
P
I
CA
LPER
F
O
R
C
E