參數(shù)資料
型號(hào): AS2521B
廠商: AUSTRIAMICROSYSTEMS AG
英文描述: Telephone Speech Circuit with Loudhearing and Handsfree
中文描述: 電話語(yǔ)音電路Loudhearing和免提
文件頁(yè)數(shù): 10/14頁(yè)
文件大?。?/td> 96K
代理商: AS2521B
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
AS2522/AS2523/AS2524 制造商:未知廠家 制造商全稱:未知廠家 功能描述:語(yǔ)音和免提通話IC