REV. M

Page 22

September 1998

AS3502

Absolute Maximum Ratings*

Supply Voltage................................................................................................................................-0.3

≤VDD≤7 V

Voltage applied on Any Input ........................................................................................... -0.3 V

≤VIN≤VDD+0.3 V

Voltage applied on Digital Outputs................................................................................ -0.3 V

≤VOUT≤VDD+0.3 V

Input Current (all pins).................................................................................................................... IIN ≤ ± 50 mA

Output Current .............................................................................................................................. IOUT≤ ±10 mA

Storage Temperature Range........................................................................................................... -65 to +150°C

*Exceeding these figures may cause permanent damage. Functional operation under these conditions is not permitted

Recommended Operating Conditions

Symbol

Parameter

Conditions

Min.

Typ.*

Max.

Units

VDD

Supply Voltage

3.0

4.5

5.5

V

TAMB

Operating Temperature Range

-40

+25

+70

°

C

Input Voltage

GND

V

Tristate Output Voltage

GND

V

CLOCK

Clock Frequency

2.048

MHz

SYNC

Synchronization Frequency

8

kHz

* Typical figures are at 25°C and are for design aid only; not guaranteed and not subject to production testing

≤VDD≤4.5 V)

Symbol

Parameter

Conditions

Min.

Typ.*

Max.

Units

Input Low Level

All digital inputs

0.3xVDD V

VIH

Input High Level

All digital pins

0.7xVDD

V

VOL

Output Low Level

1.6 mA

0.4

V

VOH

Output High Level

1.6 mA

2.4

V

IL

Input Leakage Current

VIN= GND to VDD

±

10

µA

IOZ

High Impedance Current

VOUT= GND to VDD

±

10

µA

IDD

Supply Current

Outputs unloaded; VDD = 3 V

10

mA

IDD0

Power Down Current

TA= 25°C VDD= 3.0 V

5

µA

≤VDD≤4.5 V)

Symbol

Parameter

Conditions

Min.

Typ.*

Max.

Units

AIP

Peak Input Level

Note 1; THD </= 2%

AGX= +16 dB; DGX= 0 dB

AGX= +46 dB; DGX= 0 dB

176

5.58

mVrms

mVrms

AIL

Nominal Input Level

0 dBm0; Default Gain: GX=+31 dB

21.8

mVrms

GX

Transmit Gain

GX = AGX + DGX

+16

+31

+52

dB

AGX

Analogue Gain Range

+15.5

+33.5

+45.5

dB

Analogue Gain Step Size

5.8

6.0

6.2

dB

ZIN

Input Impedance

MIC+ to MIC-,0.3

≤ f ≤ 3.4kHz

2 x 30

k

Ω

* Typical figures are at 25°C and are for design aid only; not guaranteed and not subject to production testing