SA58780 Datasheet, PDF (6/15 Pages) NXP Semiconductors – Sense current amplifier with selectable gain

Philips Semiconductors
Sense current amplifier with selectable gain
Product data
SA58780
TYPICAL CHARACTERIZATION CURVES
V_CC = 5.0 V; V_GSEL = V_ISEL = 5 V; R_L = 10 kΩ; T_amb = 25 °C; unless otherwise specified.
180
100.8
V_GSEL = 5 V
100.6 ^VISEL ^{= 5 V}
160
100.4
100.2
140
100.0
120
100
–40
–20
0
20
40
60
AMBIENT TEMPERATURE, T_amb (°C)
80
100
SL01963
Figure 3. Supply current versus ambient temperature.
99.8
99.6
99.4
–40
–20
0
20
40
60
AMBIENT TEMPERATURE, T_amb (°C)
80
100
SL01964
Figure 4. Voltage Gain 1 (HIGH) versus ambient temperature.
100.8
100.4
V_GSEL = 5 V
V_ISEL = 0 V
100.0
99.6
99.2
98.8
–40
–20
0
20
40
60
AMBIENT TEMPERATURE, T_amb (°C)
80
100
SL01965
Figure 5. Voltage Gain 1 (HIGH) versus ambient temperature.
50.6
50.4
V_GSEL = 0 V
V_ISEL = 5 V
50.2
50.0
49.8
49.6
49.4
–40
–20
0
20
40
60
AMBIENT TEMPERATURE, T_amb (°C)
80
100
SL01966
Figure 6. Voltage Gain 2 (LOW) versus ambient temperature.
51.0
V_GSEL = 0 V
V_ISEL = 0 V
50.5
50.0
49.5
49.0
–40
–20
0
20
40
60
AMBIENT TEMPERATURE, T_amb (°C)
80
100
SL01979
Figure 7. Voltage Gain 2 (LOW) versus ambient temperature.
0.10
0.05
∆V_IN = 0 V
V_ISEL = 5 V
0
–0.05
–0.10
–0.15
–0.20
–40
–20
0
20
40
60
AMBIENT TEMPERATURE, T_amb (°C)
80
100
SL01967
Figure 8. Input offset voltage 1 versus ambient temperature.
2003 Nov 10
6