LT1124/LT1125
TYPICAL PERFOR A CE CHARACTERISTICS
V
+
–0.5
–1.0
Common Mode Limit vs
Temperature
180
160
CHANNEL SEPARATION (dB)
V
+
= 3V TO 18V
–1.5
–2.0
–2.5
CHANGE IN OFFSET VOLTAGE (µV)
COMMON MODE LIMIT (V)
REFERRED TO POWER SUPPLY
2.5
2.0
1.5
1.0
V
–
= –3V TO –18V
V
–
0.5
–60
–20
20
60
100
TEMPERATURE (°C)
Total Harmonic Distortion
and Noise vs Frequency for
Noninverting Gain
TOTAL HARMONIC DISTORTION + NOISE (%)
TOTAL HARMONIC DISTORTION + NOISE (%)
TOTAL HARMONIC DISTORTION + NOISE (%)
0.1
0.010
Z
L
= 2k/15pF
V
O
= 20V
P-P
A
V
= +1, +10, +100
MEASUREMENT BANDWIDTH
= 10Hz TO 80kHz
A
V
= +100
A
V
= +10
0.001
A
V
= +1
0.0001
20
100
1k
FREQUENCY (Hz)
Total Harmonic Distortion and
Noise vs Output Amplitude for
Noninverting Gain
TOTAL HARMONIC DISTORTION + NOISE (%)
Z
L
= 2k/15pF
f
O
= 1kHz
A
V
= +1, +10, +100
0.1 MEASUREMENT BANDWIDTH
= 10Hz TO 22kHz
A
V
= +100
0.010
A
V
= +10
0.001
TOTAL HARMONIC DISTORTION + NOISE (%)
1
INTERMODULATION DISTORTION (IMD)(%)
A
V
= +1
0.0001
0.3
1
10
OUTPUT SWING (V
P-P
)
*See LT1115 data sheet for definition of CCIF testing
U W
1124/25 G22
1124/25 G25
Channel Separation vs Frequency
10
LIMITED BY
THERMAL INTERACTION
Warm-Up Drift
V
S
=
±15V
T
A
= 25°C
SO PACKAGE
6
140
120
100
80
60
40
20
0
V
S
=
±15V
R
L
= 2k
V
OUT
= 7V
P-P
T
A
= 25°C
LIMITED BY PIN
TO PIN CAPACITANCE
8
4
N, J PACKAGES
2
0
0
100
1k
10k 100k
FREQUENCY (Hz)
1M
10M
0
4
1
2
3
TIME AFTER POWER ON (MINUTES)
5
140
1124/25 G19
1124/25 G20
1124/25 G21
Total Harmonic Distortion
and Noise vs Frequency for
Inverting Gain
0.1
0.1
Z
L
= 2k/15pF
V
O
= 20Vp-p
A
V
= –1, –10, –100
MEASUREMENT BANDWIDTH
= 10Hz TO 80kHz
Total Harmonic Distortion
and Noise vs Frequency for
Competitive Devices
Z
L
= 2k/15pF
V
O
= 20Vp-p
A
V
= –10
MEASUREMENT BANDWIDTH
= 10Hz TO 80kHz
0.010
0.010
A
V
= –100
0.001
A
V
= –10
A
V
= –1
OP270
OP27
0.001
LT1124
10k 20k
0.0001
20
100
1k
FREQUENCY (Hz)
10k 20k
1124/25 G23
0.0001
20
100
1k
FREQUENCY (Hz)
10k 20k
1124/25 G24
Total Harmonic Distortion and
Noise vs Output Amplitude for
Inverting Gain
Z
L
= 2k/15pF
f
O
= 1kHz
A
V
= –1, –10, –100
MEASUREMENT BANDWIDTH
0.1
= 10Hz TO 22kHz
1
0.010
Intermodulation Distortion
(CCIF Method)* vs Frequency
LT1124 and OP270
Z
L
= 2k/15pF
f (IM) = 1kHz
f
O
= 13.5kHz
V
O
= 20Vp-p
A
V
= –10
MEASUREMENT BANDWIDTH
= 10Hz TO 80kHz
0.010
A
V
= –100
A
V
= –10
0.001
OP270
0.001
A
V
= –1
LT1124
30
0.0001
0.3
1
10
OUTPUT SWING (Vp-p)
30
1124/25 G26
0.0001
3k
10k
FREQUENCY (Hz)
20k
1124/25 G27
7
LINER [ LINEAR TECHNOLOGY ]
