AS2525B austriamicrosystems, AS2525B Datasheet - Page 21
![IC, SINGLE CHIP HANDS FREE PHONE, TQFP44](/photos/18/99/189936/4243288_sml.jpg)
AS2525B
Manufacturer Part Number
AS2525B
Description
IC, SINGLE CHIP HANDS FREE PHONE, TQFP44
Manufacturer
austriamicrosystems
Datasheet
1.AS2525B.pdf
(27 pages)
Specifications of AS2525B
Audio Control Type
Volume
Output Power
500mW
Control Interface
Serial
Control / Process Application
Volume Control For Earpiece & Loudspeaker
Supply Voltage Range
3V To 5V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Datasheet AS2525
DTMF
LD Dialing
Revision 2.1
V
Symbol
Symbol
MF-RANGE
V
t
V
V
t
t
DF
t
V
t
t
t
PDP
t
t
IDP
UFC
ITP
TD
TR
TR
DR
M/
MF
/B
CT
L_H
Frequency Deviation
MF Tone Level at LS
(Low Group)
MF Tone Level Range at LS
(Low Group)
Pre-emphasis, Low to High
Unwanted Frequency
Components
Tone Duration, Minimum
Inter Tone Pause, Min.
Tone Rise Time
Tone Fall Time
Comfort Tone Level, RO
Dialing Rate
Break Period
Make Period
Pre-Digit Pause
Inter-Digit Pause
Parameter
Parameter
Deviation of ceramic resonator
is not included
Default
13 steps
300 Hz....4.3 kHz
4.3 kHz…7 kHz
7 kHz....10 kHz
10 kHz…14 kHz
14 kHz....28.5 kHz
28.5 kHz....40 kHz
Default
Default
From 10% to 90% amplitude
From 90% to 10% amplitude
Relative to LS, 4 steps
Default
Option
Default
Option
Option
Default
Option
Option
Conditions
Conditions
Min.
Min.
9.53
-4.5
800
2.0
80
80
57
38
-18/-6
Typ.
Typ.
82.3
82.3
61.2
40.8
16.5
-5.5
-36
-18
2.6
10
20
66
33
33
35
Max.
Max.
10.5
-6.5
880
1.2
3.2
-40
-46
-52
-58
-70
-80
85
85
63
42
5
5
Page 21 of 27
Units
Units
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
pps
pps
dBr
dBr
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
%