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TS904AIN View Datasheet(PDF) - STMicroelectronics

Part Name
Description
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TS904AIN Datasheet PDF : 12 Pages
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TS904
Figure 7b : Phase Margin versus Supply Voltage
60
Tamb = 25 C
50
R
C
L
L
= 600
= 100pF
Sta ndby OFF
40
30
Figure 8 : Input Voltage Noise versus Frequency
150
VCC = 10V
Tamb= 25 C
100
R S = 100
Sta ndby OFF
50
20
0
4
8
12
16
SUP PLY VOLTAGE, VCC (V)
0
10
100
1000 10000
FREQUENCY (Hz)
STANDBY APPLICATION
The TS904 offers two separate STANDBY pins :
. STANDBY 1 (pin 8) acting on the n°2 and n°3 operators.
. STANDBY 2 (pin 9) acting on the n°1 and n°4 operators.
When one of these standby is activated (STANDBY ON) :
. The supply current of the corresponding operators is considerably reduced. The total consumption of
. the circuit is then divided by 2 (one STANDBY ON) or decreased down to 0.5µA (VCC = 3V, two
STANDBY ON) (ref. figure 1b).
All the outputs of the corresponding operators are in high impedance state. No output current can
.. then be sourced or sinked.
The standby pins 8 and 9 should never stay unconnected.
The ”standby OFF” state, is reached when the pins 8 or 9 voltage is higher than Vin SBY/OFF.
The ”standby ON” state, is assured by the pins 8 or 9 voltage lower than Vin SBY/OFF.
(see electrical characteristics)
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