CS5509
DS125F3
9
Notes: 19. All voltages with respect to ground.
20. The CS5509 can be operated with a reference voltage as low as 100 mV; but with a corresponding
reduction in noise-free resolution. The common mode voltage of the voltage reference may be any value
as long as +VREF and -VREF remain inside the supply values of VA+ and GND.
Notes: 21. No pin should go more positive than (VA+) + 0.3 V.
22. VD+ must always be less than (VA+) + 0.3 V, and can never exceed +6.0 V.
23. Applies to all pins including continuous overvoltage conditions at the analog input (AIN) pin.
24. Transient currents of up to 100 mA will not cause SCR latch-up. Maximum input current for a power
supply pin is ± 50 mA.
25. Total power dissipation, including all input currents and output currents.
*WARNING:Operation at or beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
RECOMMENDED OPERATING CONDITIONS (DGND = 0V) (Note 19)
Parameter
Symbol
Min
Typ
Max
Unit
DC Power Supplies
Positive Digital
Positive Analog
VD+
VA+
3.15
4.75
5.0
5.5
V
Analog Reference Voltage
(Note 20)
(VREF+) -
(VREF-)
1.0
2.5
3.6
V
Analog Input Voltage
(Note 6)
Unipolar
Bipolar
VAIN
0
-((VREF+) - (VREF-))
-
(VREF+) - (VREF-)
V
ABSOLUTE MAXIMUM RATINGS*
Parameter
Symbol
Min
Typ
Max
Unit
DC Power Supplies
Ground
(Note 21)
Positive Digital
(Note 22)
Positive Analog
GND
VD+
VA+
-0.3
-
(VD+)-0.3
6.0
V
Input Current, Any Pin Except Supplies
(Notes 23 and 24)
Iin
--
±10
mA
Output Current
Iout
--
±25
mA
Power Dissipation (Total)
(Note 25)
-
500
mW
Analog Input Voltage
AIN and VREF pins
VINA
-0.3
-
(VA+)+0.3
V
Digital Input Voltage
VIND
-0.3
-
(VD+)+0.3
V
Ambient Operating Temperature
TA
-40
-
85
°C
Storage Temperature
Tstg
-65
-
150
°C
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