Datasheet

LT1469
7
1469fb
TYPICAL PERFORMANCE CHARACTERISTICS
Distribution of Input Offset
Voltage
Distribution of Inverting Input
Bias Current
Supply Current vs Supply Voltage
and Temperature
Input Noise Spectral Density 0.1Hz to 10Hz Voltage Noise
Total Noise vs Unmatched
Source Resistance
Input Bias Current
vs Temperature
Input Bias Current
vs Input Common Mode Voltage
Input Common Mode Range
vs Supply Voltage
INPUT OFFSET VOLTAGE (µV)
–175
PERCENTAGE OF UNITS (%)
–125 –75 –25 25 75 125 175
50
40
30
20
10
0
1469 G01
V
S
= ±15V
T
A
= 25°C
INVERTING INPUT BIAS CURRENT (nA)
–10
PERCENTAGE OF UNITS (%)
–7.5 –5 –2.5 0 2.5 5 7.5 10
40
30
20
10
0
1469 G02
V
S
= ±15V
T
A
= 25°C
SUPPLY VOLTAGE (±V)
0
SUPPLY CURRENT (mA)
1469 G03
5 10 15 20
6
5
4
3
2
1
85°C
25°C
–40°C
FREQUENCY (Hz)
1
1
INPUT VOLTAGE NOISE (nV/√Hz)
INPUT CURRENT NOISE (pA/√Hz)
100
1000
10 100 1k 10k
100k
1469 G04
10
0.01
1
i
n
e
n
10
0.1
V
S
= ±15V
T
A
= 25°C
A
V
= 101
R
S
= 100k FOR i
n
TIME (1s/DIV)
VOLTAGE NOISE (100nV/DIV)
1469 G05
V
S
= ±15V
T
A
= 25°C
SOURCE RESISTANCE, R
S
(Ω)
1
TOTAL NOISE VOLTAGE (nV/√Hz)
10
10 1k 10k 100k
1469 G06
0.1
100
100
V
S
= ±15V
T
A
= 25°C
f = 10kHz
TOTAL
NOISE
RESISTOR
NOISE ONLY
R
S
–
+
TEMPERATURE (°C)
–50
0
10
I
B
–
I
B
+
30
25 75
1469 G07
–10
–20
–25 0
50 100 125
–30
–40
20
INPUT BIAS CURRENT (nA)
V
S
= ±15V
INPUT COMMON MODE VOLTAGE (V)
–15
INPUT BIAS CURRENT (nA)
–20
0
20
0
10
1469 G08
–40
–60
–80
–10 –5 5
40
I
B
–
I
B
+
60
80
15
V
S
= ±15V
T
A
= 25°C
SUPPLY VOLTAGE (±V)
0
V
–
COMMON MODE RANGE (V)
1.0
2.0
–2.0
3
6
9 12
1469 G09
15
–1.0
0.5
1.5
–1.5
V
+
–0.5
18
T
A
= 25°C
ΔV
OS
< 100µV