CS5505/6/7/8
CS5505/6/7/8
RECOMMENDED OPERATING CONDITIONS (DGND = 0V) (Note 19)
Parameter
Symbol
Min
Typ
Max
Units
DC Power Supplies: Positive Digital
(VA+)-(VA-)
VD+
3.15
4.5
4.5
0
5.0
10
5.0
-5.0
5.5
11
11
V
V
V
V
V
diff
Positive Analog
Negative Analog
VA+
VA-
-5.5
Analog Reference Voltage (Note 20) (VREF+)-(VREF-)
Analog Input Voltage: (Note 21)
Unipolar
Bipolar
1.0
2.5
3.6
V
VAIN
VAIN
0
-
-
(VREF+)-(VREF-)
+((VREF+)-(VREF-))
V
V
-((VREF+)-(VREF-))
Notes: 19. All voltages with respect to ground.
20. The CS5505/6/7/8 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 VA-.
21. The CS5505/6/7/8 can accept input voltages up to the analog supplies (VA+ and VA-). In unipolar
mode the CS5505/6/7/8 will output all 1’s if the dc input magnitude ((AIN+)-(AIN-)) exceeds
((VREF+)-(VREF-)) and will output all 0’s if the input becomes more negative than 0 Volts.
In bipolar mode the CS5505/6/7/8 will output all 1’s if the dc input magnitude ((AIN+)-(AIN-)) exceeds
((VREF+)-(VREF-)) and will output all 0’s if the input becomes more negative in magnitude than
-((VREF+)-(VREF-)).
ABSOLUTE MAXIMUM RATINGS*
Parameter
Symbol
Min
Typ
Max
Units
DC Power Supplies:
Digital Ground
(Note 22) DGND
-0.3
-0.3
-0.3
+0.3
-0.3
-0.3
-
-
-
-
-
-
(VD+)-0.3
6.0 or VA+
12.0
V
V
V
V
V
V
Positive Digital
Positive Analog
Negative Analog
(VA+)-(VA-)
(Note 23)
VD+
VA+
VA-
-6.0
12.0
12.0
V
V
diff1
diff2
(VA+)-(VD+)
Input Current, Any Pin Except Supplies
(Notes 24, 25)
I
-
(VA-)-0.3
-0.3
-
-
-
-
-
mA
V
in
±10
(VA+)+0.3
(VD+)+0.3
125
Analog Input Voltage
AIN and VREF pins
V
V
INA
Digital Input Voltage
V
IND
Ambient Operating Temperature
Storage Temperature
T
-55
A
°C
°C
T
-65
150
stg
Notes: 22. No pin should go more positive than (VA+)+0.3V.
23. VD+ must always be less than (VA+)+0.3 V,and can never exceed 6.0V.
24. Applies to all pins including continuous overvoltage conditions at the analog input (AIN) pin.
25. Transient currents of up to 100mA will not cause SCR latch-up. Maximum input current for a power
supply pin is ± 50 mA.
* WARNING: Operation at or beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
1122
DDSS5599FF54
CIRRUS [ CIRRUS LOGIC ]
