AD8497 Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
componentes Descripción
Fabricante
AD8497 Datasheet PDF : 16 Pages
| |||
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, +VS = 5 V, RL = ∞, unless otherwise noted.
100
AD8495/AD8497
AD8494
AD8496
10
1
0.1
0.01
0.1
1
10
100
1k
10k
100k
FREQUENCY (Hz)
Figure 3. CMRR vs. Frequency
1000
100
AD8495/AD8497
AD8494
AD8496
10
1
0
1
10
100
1k
10k
100k
FREQUENCY (Hz)
Figure 4. PSRR vs. Frequency
50
40
30
20
10
AD8494
AD8496
0
AD8495/AD8497
–10
–20
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 5. Frequency Response
AD8494/AD8495/AD8496/AD8497
1200
1000
800
CONNECTED
THERMOCOUPLE
600
400
200
0
–200
OPEN THERMOCOUPLE
THERMOCOUPLE CONNECTION
AD849x OUTPUT
TIME (50µs/DIV)
Figure 6. Output Response to Open Thermocouple,
−IN Connected to Ground Through a 1 MΩ Resistor
4.0
3.5 +0.05, +3.45
3.0
+0.05, +3.21
2.5
+4.91, +2.95
+4.91, +2.71
2.0
1.5
1.0
0.5
0
+0.05, –0.36
+4.91, –0.37
–0.5 +0.05, –0.39
–1.0
VREF = 0V
VREF = 2.5V
+4.91, –0.39
–0.5
0.5
1.5
2.5
3.5
4.5
5.5
OUTPUT VOLTAGE (V)
Figure 7. Input Common-Mode Voltage Range vs. Output Voltage,
+VS = 5 V, VREF = 0 V, and VREF = 2.5 V
40
2.00
35
1.75
30
1.50
IBIAS
25
1.25
20
1.00
15
0.75
10
0.50
5
0.25
0
–40 –20 0
IOS
20 40 60
0
80 100 120
TEMPERATURE (°C)
Figure 8. Input Bias Current and Input Offset Current vs. Temperature
Rev. 0 | Page 7 of 16
Share Link: 