AS2520 austriamicrosystems AG, AS2520 Datasheet - Page 9

• Manufacturer Part Number: AS2520
• Description: Telephone Speech Circuit with Loudhearing and Handsfree
• Manufacturer: austriamicrosystems AG

Preliminary
Electrical Characteristics
Absolute Maximum Ratings*
Supply Voltage............................................................................................................................... -0.3
Input Current..........................................................................................................................................+/- 25 mA
Input Voltage (LS) ....................................................................................................................... -0.3V
Input Voltage (LI, CS, SS).............................................................................................................-0.3V
Input Voltage (STB, RI).........................................................................................................-2V
Digital Input Voltage .......................................................................................................... -0.3V
Electrostatic Discharge ..........................................................................................................................+/- 1000V
Storage Temperature Range........................................................................................................... -65 to +125°C
Total Power Dissipation ............................................................................................................................ 500mW
*Exceeding these figures may cause permanent damage. Functional operation under these conditions is not permitted.
Recommended Operating Range
Symbol
V
V
T
* Typical figures are at 25°C and are for design aid only; not guaranteed and not subject to production testing.
DC Characteristics (I
Symbol
I
I
I
V
I
I
V
V
Rev. 5.1
DD
DDPD
DD0
OL
OL
AMB
DD
PP
LI
IL
IH
Parameter
Supply Voltage (internally generated) Speech mode
Supply Voltage (internally regulated)
Ambient Operating Temp. Range
Parameter
Operating Supply Current
Power-Down Current
Standby Current
Line Voltage
Output Current, Sink
Pin CS, SS
Output Current, Sink
Pin CM
Input Low Voltage
Input High Voltage
LINE
= 15 mA, recommended operating conditions unless otherwise specified)
Conditions
HS = high
LE = high
HS and LE = high
PD = high, CM running
PD = high
All digital inputs = V
13 mA< I
V
V
T
T
AMB
AMB
OL
OL
= 0.4V
= 0.4V
= 25°C
= 25°C
LINE
Conditions
Speech mode
< 100 mA
Page 9
SS
0.8 V
Min.
4.2
V
SS
DD
Min.
-25
3.0
3.0
Typ.
300
200
4.5
1.5
1.5
5
5
5
1
AS2520/21/20B/21B
Typ.*
4.1
4.1
0.2 V
Max.
V
V
4.8
V
IN
7
7
7
Max.
IN
DD
+70
5.5
5.5
DD
V
V
DD
V
V
DD
May 1999
V
Units
mA
mA
µA
µA
µA
µA
V
mA
mA
V
V
IN
DD
+ 0.3V
IN
Units
V
V
°C
+0.3V
10V
7V
8V