Datasheet

LTC6252/LTC6253/LTC6254
9
625234fc
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current Per Amplifier
vs SHDN Pin Voltage
SHDN Pin Current
vs SHDN Pin Voltage
Input Noise Voltage and Noise
Current vs Frequency
Input Bias Current vs Temperature
Supply Current
vs Supply Voltage (Per Amplifier)
0.1Hz to 10Hz Voltage Noise
TIME (1s/DIV)
0
VOLTAGE NOISE (500nV/DIV)
2000
1500
1000
500
0
–1000
–500
–1500
–2000
1 73 9
624678 G14
104 5 62 8
TOTAL SUPPLY VOLTAGE (V)
0
SUPPLY CURRENT (mA)
5.0
4.5
4.0
3.5
3.0
1.5
1.0
2.5
2.0
0.5
0
1 3
625234 G16
4 52
–55°C
25°C
125°C
TEMPERATURE (°C)
–55
INPUT BIAS CURRENT (nA)
3000
2000
0
2500
500
1500
1000
–500
355–25 95
624678 G13
12565
V
S
= 5V, 0V
V
CM
= 4.5V
V
CM
= 2.5V
FREQUENCY (Hz)
1
VOLTAGE NOISE (nV/√Hz)
CURRENT NOISE (pA/√Hz)
1000
100
10
1.0
0.1
10 1k 100M10M
624678 G15
10k 100k 1M100
i
n
, V
CM
= 4.5V
i
n
, V
CM
= 2.5V
e
n
, V
CM
= 4.5V
e
n
, V
CM
= 2.5V
Minimum Supply Voltage,
V
CM
= V
S
/2 (PNP Operation)
Minimum Supply Voltage,
V
CM
= V
+
– 0.5V (NPN Operation)
Supply Current vs Input Common
Mode Voltage (Per Amplifier)
COMMON MODE VOLTAGE (V)
0.25 1.25
SUPPLY CURRENT (mA)
5
4
3
2
3.25
625234 G17
4.25 4.752.25
125°C
25°C
V
S
= 5V, 0V
A
V
= 1
–55°C
SHDN PIN VOLTAGE (V)
0
SUPPLY CURRENT (mA)
5.0
4.0
4.5
2.5
2.0
3.5
3.0
1.5
1.0
0.5
0
2.521.510.5 3.5
625234 G18
54 4.53
T
A
= 125°C
T
A
= 25°C
V
S
= 5V, 0V
V
CM
= 2.5V
T
A
= –55°C
SHDN PIN VOLTAGE (V)
0
SHDN PIN CURRENT (µA)
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
–1.25
–1.50
–1.75
–2.00
–2.75
–2.50
–2.25
–3.00
2.521.510.5 3.5
625234 G19
54 4.53
T
A
= 125°C
T
A
= 25°C
V
S
= 5V, 0V
T
A
= –55°C
TOTAL SUPPLY VOLTAGE (V)
2
OFFSET VOLTAGE (mV)
16
10
12
14
8
6
4
2
0
–2
2.5 3.5
625234 G20
5.5
125°C
25°C
–55°C
4 4.5 53
V
S
= 5V, 0V
TOTAL SUPPLY VOLTAGE (V)
2
OFFSET VOLTAGE (mV)
16
10
12
14
8
6
4
2
0
–4
–2
2.5 3.5
625234 G21
5.5
125°C
–55°C
4 4.5 53
25°C
V
S
= 5V, 0V