参数资料
| 型号： | AS2522B |
| 厂商： | ams |
| 文件页数： | 7/20页 |
| 文件大小： | 0K |
| 描述： | IC LINE INTERFACE TELEPH 32-TQFP |
| 标准包装： | 250 |
| 系列： | * |
Data Sheet AS2522B
austriamicrosystems
Revision 3.4
Page 14 of 19
DTMF characteristics
ILine=15mA w/o operation of any additional external circuitry, unless other specified, default settings
Symbol
Parameter
Conditions
Min
Type
Max
Units
Test
VMFlow
Tone level low group
at LS
Default
-7
-6
-5
dBm
Y
MFrange DTMF level range
low group at LS
13 steps
Prg. in Service mode
-18/-6
dBm
N
VL-H
Preemphasis L-H
Preemphasis=1
2.7
3.2
3.7
dB
Y
UFC
Unwanted frequency
components
300 Hz - 4.3kHz
4.3kHz - 7kHz
7kHz - 10kHz
10kHz - 14kHz
14kHz - 28.5kHz
28.5kHz - 40kHz
-40
-46
-52
-58
-70
-80
dBm
Y
f
Frequency deviation
1.2
%
Y
VCT-H
Comfort tone handset
Rel to LS
programmable in
service mode
-36
-30
-24
-18
dBr
N
VCT-L
Comfort tone
Loudspeaker
Rel to LS
programmable in
service mode
-15
-9
-3
+3
dBr
N
Ringer
Symbol
Parameter
Conditions
Min
Type
Max
Units
Test
F0
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
F13
F14
F15
Frequency 0
Frequency 1
Frequency 2
Frequency 3
Frequency 4
Frequency 5
Frequency 6
Frequency 7
Frequency 8
Frequency 9
Frequency 10
Frequency 11
Frequency 12
Frequency 13
Frequency 14
Frequency 15
770
1025
1280
0
800
1067
1333
1300
2100
1200
2200
980
1180
1070
1270
1650
1850
2025
2225
830
1110
1385
Hz
N
Y
N
ams
AG
Technical
content
still
valid
相关PDF资料 |
PDF描述 |
|---|---|
| AS2524-T | IC LINE INTERFACE/SPKRPH 28-SOIC |
| AS2524 | IC LINE INTERFACE/SPKRPH 28-SOIC |
| AS2533 | IC TELEPHONE CMOS MULTIFU 28SOIC |
| AS2536 | IC TELEPHONE CMOS MULTIFU 28SOIC |
| AS2540-T | IC TELEPHONE CMOS MULTIFU 28SOIC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AS2522BF | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Telephone Line Interface and Speakerphone Circuit |
| AS2522BQ | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Telephone Line Interface and Speakerphone Circuit |
| AS2522BT | 制造商:ams 功能描述:AS Series 3 to 5 V Telephone Line Interface and Speakerphone Circuit - TQFP-32 |
| AS2522B-T | 功能描述:IC LINE INTERFACE TELEPH 32-TQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 电信 系列:* 产品培训模块:Lead (SnPb) Finish for COTS 产品变化通告:Product Discontinuation 06/Feb/2012 标准包装:750 系列:* |
| AS2522B-Z | 制造商:ams 功能描述: |
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