Datasheet

LT1469
10
1469fb
TYPICAL PERFORMANCE CHARACTERISTICS
Power Supply Rejection Ratio
vs Frequency
Common Mode Rejection Ratio
vs Frequency
Channel Separation
vs Frequency
Undistorted Output Swing
vs Frequency, V
S
= ±5V
Undistorted Output Swing
vs Frequency, V
S
= ±15V Output Impedance vs Frequency
Total Harmonic Distortion
vs Frequency
Total Harmonic Distortion + Noise
vs Amplitude Warm-Up Drift vs Time
FREQUENCY (Hz)
100
POWER SUPPLY REJECTION RATIO (dB)
60
80
100
100k
10M
1469 G28
40
20
0
1k 10k 1M
120
140
160
100M
–PSRR
+PSRR
V
S
= ±15V
T
A
= 25°C
R
L
= 2k
FREQUENCY (Hz)
100
0
COMMON MODE REJECTION RATIO (dB)
20
40
60
80
120
1k
10k 100k 1M
1469 G29
10M 100M
100
V
S
= ±15V
T
A
= 25°C
R
L
= 2k
FREQUENCY (Hz)
100
CHANNEL SEPARATION (dB)
1k 10k 100k 1M 10M 100M
140
120
100
80
60
40
20
0
1469 G30
V
S
= ±15V
T
A
= 25°C
R
L
= 2k
FREQUENCY (kHz)
1
4
OUTPUT VOLTAGE SWING (V
P-P
)
5
6
7
8
10 100 1000
1469 G31
3
2
1
0
9
10
V
S
= ±5V
T
A
= 25°C
R
L
= 2k
THD < 1%
A
V
= 1
A
V
= –1
FREQUENCY (kHz)
1
0
OUTPUT VOLTAGE SWING (V
P-P
)
20
25
30
10 100 1000
1469 G32
15
10
5
A
V
= 1
A
V
= –1
V
S
= ±15V
T
A
= 25°C
R
L
= 2k
THD < 1%
FREQUENCY (Hz)
0.01
OUTPUT IMPEDANCE (Ω)
0.1
1
10
100
10k 1M 10M 100M
1469 G33
0.001
100k
V
S
= ±15V
T
A
= 25°C
A
V
= 100
A
V
= 10
A
V
= 1
FREQUENCY (Hz)
100
TOTAL HARMONIC DISTORTION (dB)
1k 10k 100k
1469 G34
–80
–90
–100
–110
–120
–130
V
S
= ±15V
A
V
= 2
R
L
= 2k
V
OUT
= 10V
P-P
OUTPUT SIGNAL (V
RMS
)
0.01
–110
THD + NOISE (dB)
–70
–60
–50
0.1 1 10
1469 G35
–80
–90
–100
V
S
= ±15V
V
S
= ±5V
T
A
= 25°C
A
V
= 1
R
L
= 600Ω
f = 10kHz
NOISE BW = 80kHz
TIME AFTER POWER UP (s)
0 20 40 60 80 100 120 140
OFFSET VOLTAGE DRIFT (µV)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
1469 G36
S0-8 ±15V
N8 ±5V
S0-8 ±5V
N8 ±15V