Datasheet

AD8237 Data Sheet
Rev. 0 | Page 18 of 28
500
–500
–40 1251109580655035205–10–25
BIAS CURRENT AND OFFSET CURRENT (pA)
TEMPERATURE (°C)
INPUT OFFSET CURRENT
–IN BIAS CURRENT
+IN BIAS CURRENT
–400
–300
–200
–100
0
100
200
300
400
10289-060
REPRESENTATIVE SAMPLE
Figure 58. Input Bias Current and Input Offset Current vs. Temperature
500
–500
–40 1251109580655035205–10–25
BIAS CURRENT AND OFFSET CURRENT (pA)
TEMPERATURE (°C)
OFFSET CURRENT
REF BIAS CURRENT
FB BIAS CURRENT
–400
–300
–200
–100
0
100
200
300
400
10289-061
REPRESENTATIVE SAMPLE
Figure 59. REF Input Bias Current, FB Input Bias Current, and Offset Current vs.
Temperature
+V
S
–V
S
+300
+200
+100
–300
–200
–100
0.9 2.52.32.11.91.71.51.31.1
OUTPUT VOLTAGE SWING (mV)
REFERRED TO SUPPLY VOLTAGES
SUPPLY VOLTAGE (±V
S
)
R
L
= 5kΩ
–40°C
+25°C
+85°C
+125°C
10289-062
Figure 60. Output Voltage Swing vs. Supply Voltage
+V
S
–V
S
+0.4
+0.2
–0.4
–0.2
1k 10k 100k 1M
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
LOAD RESISTANCE (Ω)
–40°C
+25°C
+85°C
+125°C
10289-063
Figure 61. Output Voltage Swing vs. Load Resistance, V
S
= ±2.5 V
+V
S
–V
S
+0.2
+0.3
+0.4
+0.1
–0.2
–0.3
–0.4
–0.1
1k 10k 100k 1M
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
LOAD RESISTANCE (Ω)
–40°C
+25°C
+85°C
+125°C
10289-064
Figure 62. Output Voltage Swing vs. Load Resistance, V
S
= ±0.9 V
+V
S
–V
S
+1.2
+0.8
+0.4
–1.2
–0.8
–0.4
0 3.02.51.5 2.01.00.5
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
OUTPUT CURRENT (mA)
–40°C
+25°C
+85°C
+125°C
10289-065
Figure 63. Output Voltage Swing vs. Output Current