參數資料
型號: AS2521
廠商: AUSTRIAMICROSYSTEMS AG
英文描述: Telephone Speech Circuit with Loudhearing and Handsfree
中文描述: 電話語音電路Loudhearing和免提
文件頁數: 10/14頁
文件大?。?/td> 96K
代理商: AS2521
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 V
DD
-6
dB
THD
Distortion
V
LI
< 0.25 V
RMS
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; T
AMB
= 25°C
18
0.5
dB
/°C
相關PDF資料
PDF描述
AS2520P Telephone Speech Circuit with Loudhearing and Handsfree
AS2520 Telephone Speech Circuit with Loudhearing and Handsfree
AS2520B Telephone Speech Circuit with Loudhearing and Handsfree
AS2520T Telephone Speech Circuit with Loudhearing and Handsfree
AS2521B Telephone Speech Circuit with Loudhearing and Handsfree
相關代理商/技術參數
參數描述
AS2521B 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Telephone Speech Circuit with Loudhearing and Handsfree
AS2521BP 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Telephone Speech Circuit with Loudhearing and Handsfree
AS2521BT 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Telephone Speech Circuit with Loudhearing and Handsfree
AS2521P 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Telephone Speech Circuit with Loudhearing and Handsfree
AS2521T 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Telephone Speech Circuit with Loudhearing and Handsfree