AS2525B austriamicrosystems, AS2525B Datasheet - Page 22
![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
Tone Ringer
Pacifier Tone
Revision 2.1
Symbol
Symbol
V
f
t
f
t
PARO
F1
F2
F3
t
MAX
f
MIN
TBD
ITP
DT
PT
Frequency 1
Frequency 2
Frequency 3
Detection Time
Min. Detection Frequency
Max. Detection Frequency
Tone Output Level, RO
Tone Output Level, LO1/2
Frequency
Tone Burst Duration
Inter-Tone Pause
Parameter
Parameter
Initial
RL = 150
RL = 32
Key entry
Key entry
Acknowledge, terminate PG
mode
Rejection, invalid key entry
Conditions
Conditions
1025
1280
Min.
Min.
770
12
68
1067
1333
1333
4x40
Typ.
Typ.
800
100
300
140
13
70
30
40
80
Max.
1110
1385
Max.
830
14
75
Page 22 of 27
Units
Units
mV
mV
Hz
Hz
Hz
ms
Hz
Hz
Hz
ms
ms
ms
ms
P-P
P-P