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AS2525 Fiches technique(PDF) 19 Page - ams AG

No de pièce AS2525
Description  Single-Chip Handsfree Phone CMOS Integrated Circuit
PDF  26 Pages
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Fabricant  AMSCO [ams AG]
Site Internet  http://www.ams.com
Logo AMSCO - ams AG

AS2525 Fiches technique(HTML) 19 Page - ams AG

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Preliminary
AS2525
Rev. 1.3
Page 19
May 1999
AC Electrical Characteristics
I
LINE = 15 mA; f = 800 Hz; ZAC = 1000Ω
Ω; recommended operating conditions and default settings unless otherwise
specified.
Transmit
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
A
TX
Transmit Gain, default
M1/M2 to LS
M3/M4 to LS
34.3
42.0
35.8
44.0
37.3
46.0
dB
dB
Variation with Frequency
f = 500 Hz to 3.4 kHz
+/- 0.8
dB
THD
Distortion
V
LS < 0.25 VRMS
2
%
V
AGC
A
SCO
t
DECAY
t
DECAY
Soft Clip Level
Soft Clip Overdrive
Attack Time
Decay Time
V
LS =
2
20
70
100
V
dB
µs/6dB
ms/6dB
Z
IN
Input Impedance; M1/M2
Input Impedance; M3/M4
10
10
k
Ω
k
Ω
A
MUTE
Mute Attenuation
Mute activated
60
dB
V
NO
Noise Output Voltage
T
AMB = 25°C, handset mode
A
TX = 37 dB
-72
dBmp
V
IN MAX
Input Voltage Range;
M1/M2 and M3/M4
Differential
+/- 1
V
PEAK
Line Driver
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Units
V
IN MAX
Input Voltage Range; LI
+/- 2
V
PEAK
V
TX
Dynamic Range; LI
+/- 2
V
PEAK
RL
∆Z
AC/TEMP
Return Loss
Temperature Variation
Z
RL = 1000 Ω; TAMB = 25°C
18
0.5
dB
Ω/°C



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