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AS2521 数据表(PDF) 10 Page - ams AG

部件名 AS2521
功能描述  Telephone Speech Circuit with Loudhearing and Handsfree
PDF  14 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS2521 数据表(HTML) 10 Page - ams AG

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Preliminary
AS2520/21/20B/21B
Rev. 5.1
Page 10
May 1999
AC Electrical Characteristics
I
LINE = 15 mA; f = 800 Hz; recommended operating conditions unless otherwise specified.
Transmit
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
A
TX
Gain (M1/M2 to LS)
Gain (M3/M4 to LS)
HS, LH modes; LLC = A
GND
HF mode; LLC = A
GND
35
45
36.5
46.5
38
48
dB
dB
A
MF
Gain (TI to LS)
MF mode
12
13.5
15
dB
∆A
TX/F
Variation with Frequency
f = 500 Hz to 3.4 kHz
+/- 0.8
dB
A
LLC
Gain Range, LLC
Speech mode; LLC = V
SS or VDD
-6
dB
THD
Distortion
V
LI < 0.25 VRMS
2
%
V
AGC
V
AGC
A
SCO
Soft Clip Level
Soft Clip Level
Soft Clip Overdrive
HS, LH modes; V
LI =
HF mode; V
LI =
2
650
30
V
PEAK
mV
PEAK
dB
Z
IN
Input Impedance;
M1/M2 and M3/M4
15
kohm
A
AD
Attenuation Depth
30
dB
A
MUTE
Mute Attenuation
Mute activated
60
dB
V
NO
Noise Output Voltage
HS = high; T
AMB = 25°C
LE = high; HS = low; T
AMB = 25°C
-72
-62
dBmp
dBmp
V
IN MAX
Input Voltage Range;
M1/M2
Differential
Single ended
+/- 1
+/- 0.5
V
PEAK
V
PEAK
Line Driver
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Units
V
IN MAX
Input Voltage Range; LI
+/- 2
V
PEAK
RL
∆Z
AC/TEMP
Return Loss
Temperature Variation
Z
RL = 1000 ohm; TAMB = 25°C
18
0.5
dB
Ω/°C



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