AS2525B austriamicrosystems, AS2525B Datasheet - Page 19

• Manufacturer Part Number: AS2525B
• Description: IC, SINGLE CHIP HANDS FREE PHONE, TQFP44
• Manufacturer: austriamicrosystems

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

Datasheet AS2525
AC Electrical Characteristics
I
Transmit
Line Driver
Revision 2.1
LINE
Symbol
Symbol
V
V
Z
t
t
A
V
A
DECAY
DECAY
THD
IN MAX
V
= 15 mA; f = 800 Hz; ZAC = 1000 ; recommended operating conditions and default settings unless otherwise specified.
A
IN MAX
AC/TEMP
V
Z
MUTE
RL
AGC
SCO
NO
TX
IN
TX
Transmit Gain, default
Variation with Frequency
Distortion
Soft Clip Level
Soft Clip Overdrive
Attack Time
Decay Time
Input Impedance; M1/M2
Input Impedance; M3/M4
Mute Attenuation
Noise Output Voltage
Input Voltage Range; M1/M2
and M3/M4
Input Voltage Range; LI
Dynamic Range; LI
Return Loss
Temperature Variation
Parameter
Parameter
M1/M2 to LS
M3/M4 to LS
f = 500 Hz to 3.4 kHz
V
V
Mute activated
T
A
Differential
Z
LS
LS
AMB
TX
RL
< 0.25 V
=
= 37 dB
= 1000
= 25°C, handset mode
Test Conditions
Conditions
RMS
; T
AMB
= 25°C
Min.
34.3
42.0
Min.
60
18
+/- 0.8
+/- 1
Typ.
35.8
44.0
Typ.
+/- 2
+/- 2
100
0.5
20
70
10
10
2
Max.
Max.
37.3
46.0
-72
2
Page 19 of 27
ms/6dB
µs/6dB
Units
dBmp
Units
V
V
V
k
k
dB
dB
dB
dB
dB
PEAK
dB
PEAK
PEAK
%
V
/°C