Datasheet

LT1818/LT1819
7
18189fb
TYPICAL PERFORMANCE CHARACTERISTICS
Output Short-Circuit Current
vs Temperature Output Current vs Temperature Output Impedance vs Frequency
Gain and Phase vs Frequency
Gain Bandwidth and Phase
Margin vs Temperature Gain vs Frequency, A
V
= 1
Open-Loop Gain vs Temperature
Output Voltage Swing
vs Supply Voltage
Output Voltage Swing
vs Load Current
TEMPERATURE (°C)
–50
OPEN-LOOP GAIN (dB)
80
77
74
71
68
65
62
25 75
18189 G07
–25 0
50 100 125
V
S
= ±5V
V
O
= ±3V
R
L
= 100Ω
R
L
= 500Ω
SUPPLY VOLTAGE (±V)
0
V
–
OUTPUT VOLTAGE SWING (V)
1.0
1.5
2.0
V
+
–2.0
–1.5
2
4
5
18189 G08
0.5
–1.0
–0.5
1
3
6
7
T
A
= 25°C
$V
OS
= 30mV
R
L
= 100Ω
R
L
= 100Ω
R
L
= 500Ω
R
L
= 500Ω
OUTPUT CURRENT (mA)
–120
OUTPUT VOLTAGE SWING (V)
OUTPUT VOLTAGE SWING (V)
–2
40
18189 G09
–3
–4
–5
5
4
3
2
–80
–40
0
80
120
T
A
= 25°C
V
S
= ±5V
$V
OS
= 30mV
SINK
SOURCE
TEMPERATURE (°C)
–50
OUTPUT SHORT-CIRCUIT CURRENT (mA)
160
200
240
25 75
18189 G10
120
80
–25 0
50 100 125
40
0
SOURCE
SINK
V
S
= ±5V
V
IN
= ±1V
TEMPERATURE (°C)
–50
OUTUPT CURRENT (mA)
100
125
150
25 75
18189 G11
75
50
–25 0
50 100 125
25
0
$V
OS
= 30mV
V
OUT
= ±3V FOR V
S
= ±5V
V
OUT
= ±1V FOR V
S
= ±2.5V
SOURCE, V
S
= ±5V
SINK, V
S
= ±5V SOURCE, V
S
= ±2.5V
SINK, V
S
= ±2.5V
FREQUENCY (Hz)
0.01
OUTPUT IMPEDANCE (Ω)
0.1
100
1M100k10k 10M 100M
18189 G12
1
10
A
V
= 100
A
V
= 10
A
V
= 1
T
A
= 25°C
V
S
= ±5V
FREQUENCY (Hz)
10k
20
GAIN (dB)
PHASE (DEG)
30
40
50
60
100k 1M 500M100M10M
18189 G13
10
0
–10
–20
70
80
60
80
100
120
140
40
20
0
–20
160
180
T
A
= 25°C
A
V
= –1
R
L
= 500Ω
GAINPHASE
TEMPERATURE (°C)
–50 –25
GAIN BANDWIDTH (MHz)
PHASE MARGIN (DEG)
440
0
50
75
18189 G15
30
50
40
400
360
25
100
125
GBW
V
S
= ±5V
GBW
V
S
= ±2.5V
R
L
= 500Ω
PHASE MARGIN
V
S
= ±2.5V
PHASE MARGIN
V
S
= ±5V
FREQUENCY (Hz)
1M
GAIN (dB)
–5
0
10M 100M 500M
18189 G16
–10
5
T
A
= 25°C
A
V
= 1
R
L
= 500Ω
V
S
= ±2.5V
V
S
= ±5V