AD8538 Analog Devices, AD8538 Datasheet - Page 8

• Manufacturer Part Number: AD8538
• Description: Low Power, Precision, Auto-Zero Op Amp (5-lead TSOT-23)
• Manufacturer: Analog Devices

Specifications of AD8538

• -3db Bandwidth: 430kHz
• Slew Rate: 0.4V/µs
• Vos: 5µV
• Ib: 15pA
• # Opamps Per Pkg: 1
• Input Noise (nv/rthz): 50nV/rtHz
• Vcc-vee: 2.7V to 5.5V
• Isy Per Amplifier: 180µA
• Packages: SOIC,SOT

AD8538/AD8539
TYPICAL PERFORMANCE CHARACTERISTICS
AD8538 CHARACTERISTICS
AD8538 only, V = 5 V or ±2.5 V, unless otherwise noted.
Figure 7. AD8538 Input Offset Voltage vs. Input Common-Mode Voltage
450
400
350
300
250
200
150
100
–10
50
14
12
10
10
–2
–4
–6
–8
–10.0
0
8
6
4
2
0
8
6
4
2
0
Figure 6. AD8538 Input Offset Voltage Drift Distribution
0
0
Figure 5. AD8538 Input Offset Voltage Distribution
V
–40°C < T
V
0V < V
T
V
T
SY
SY
A
A
SY
–8.4 –6.8 –5.2 –3.6 –2.0 –0.4 1.2 2.8 4.4 6.0 7.6 9.2
= 25°C
= 25°C
= 5V
0.012 0.024 0.036 0.048 0.060 0.072 0.084
= 5V
= 5V
SY
CM
A
< 5V
1
< +125°C
INPUT COMMON-MODE VOLTAGE (V)
INPUT OFFSET VOLTAGE (µV)
TCV
2
OS
(µV/°C)
3
4
0.096
5
Rev. A | Page 8 of 24
700
600
500
400
300
200
100
160
140
120
100
200
150
100
80
60
40
20
50
0
0
0
–40
25
0
Figure 8. AD8538 Input Bias Current vs. Temperature
Figure 9. AD8538 Supply Current vs. Supply Voltage
Figure 10. AD8538 Supply Current vs. Temperature
V
T
SY
A
= 25°C
= 5V AND 2.7V
45
1
10
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
65
2
V
V
SY
SY
= 2.7V
= 5V
85
3
60
105
4
110
125
5