Datasheet

Application information TSV63x, TSV63xA
14/30 Doc ID 15688 Rev 5
4.4 Shutdown function (TSV633, TSV635)
The operational amplifiers are enabled when the SHDN pin is pulled high. To disable the
amplifiers, the
SHDN must be pulled down to V
CC-
. When in shutdown mode, the amplifiers’
output is in a high impedance state. The
SHDN pin must never be left floating, but tied to
V
CC+
or V
CC-
.
The turn-on and turn-off times are calculated for an output variation of ±200 mV. Figure 18
and Figure 19 show the test configurations.
Figure 18. Test configuration for turn-on time
(Vout pulled down)
Figure 19. Test configuration for turn-off time
(Vout pulled down)
Vcc-0.5V
+
-
+Vcc
DUT
GND
2KO
GND
Vcc-0.5V
+
-
+Vcc
DUT
GND
2KO
GND
Figure 20. Turn-on time, V
CC
= 5 V,
Vout pulled down, T = 25° C
Figure 21. Turn-off time, V
CC
= 5 V,
Vout pulled down, T = 25° C
Shutdown pulse
Vout
Vcc = 5V
T = 25 C
R
L
connected to GND
Voltage (V)
Time (μs)
Shutdown pulse
Vout
Vcc = 5V
T = 25°C
Output voltage (V)
Time (μs)