Datasheet

LT1223
6
1223fb
TYPICAL PERFOR A CE CHARACTERISTICS
UW
–3dB Bandwidth vs –3dB Bandwidth vs Minimum Feedback Resistor vs
Feedback Resistor Supply Voltage Voltage Gain
Maximum Capacitive Load vs Open-Loop Voltage Gain vs
Feedback Resistor Load Resistor Transimpedance vs Load Resistor
Spot Noise Voltage and Current vs Power Supply Rejection vs
Frequency Frequency Output Impedance vs Frequency
FEEDBACK RESISTOR (k )
0
0
–3dB BANDWIDTH (MHz)
30
100
LT1223 • TPC11
123
10
20
40
50
60
70
80
90
Ω
L
S
Ω
A = 2; R
F
= R
G
R = 100 ; V = 15V
NO CAPACITIVE LOAD
V
±
SUPPLY VOLTAGE ( V)
0
0
–3dB BANDWIDTH (MHz)
30
100
LT1223 • TPC12
51015
10
20
40
50
60
70
80
90
±
R
F
= 750
R
F
= 1k
R
F
= 1.5k
R
F
= 2k
R
F
= R
G
A = 2
R = 100
T = 25°C
V
Ω
A
L
VOLTAGE GAIN (V/V)
0
100
FEEDBACK RESISTOR ( )
400
1000
LT1223 • TPC13
20 40 60
200
300
500
600
700
800
900
10 30 50
Ω
2dB PEAKING
0dB PEAKING
V = 15V
R = 100
S
±
L
FEEDBACK RESISTOR (k )
0
10
CAPACITIVE LOAD (pF)
100
1k
10k
123
LT1223 • TPC14
Ω
L
S
A = 2; R
F
= R
G
R = 100; V = 15V
PEAKING < 5dB
V
±
LOAD RESISTOR ( )
100
40
OPEN LOOP VOLTAGE GAIN (dB)
100
1000 10000
LT1223 • TPC15
Ω
50
60
70
80
90
–55°C
25°C
125°C
V = 15V
V = 10V
S
±
O
±
LOAD RESISTOR ( )
100
0
TRANSIMPEDANCE (M )
10
1000 10000
LT1223 • TPC16
Ω
1
2
3
5
Ω
4
6
7
8
9
V = 15V
V = 10V
S
±
O
±
–55°C
25°C
125°C
FREQUENCY (Hz)
10
1
SPOT NOISE (nV/ OR pA/ )
10
100
1000
100 1k 10k
LT1223 • TPC17
e
n
+i
n
–i
n
Hz Hz√√
FREQUENCY (Hz)
20
POWER SUPPLY REJECTION (dB)
40
60
80
10k 1M 10M 100M
LT1223 • TPC18
0
100k
NEGATIVE
POSITIVE
V = ±15V
R
F
= 1k
S
FREQUENCY (Hz)
0.1
MAGNITUDE OF OUTPUT IMPEDANCE ( )
1
10
100
10k 1M 10M 100M
LT1223 • TPC19
0.01
100k
Ω
R
F
= R
G
= 3k
V = 15V
S
±
R
F
= R
G
= 1k