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PDF AG8888N Data sheet ( Hoja de datos )
| Número de pieza | AG8888N | |
| Descripción | CALL WAITING DECODER | |
| Fabricantes | ELAN Microelectronics Corp | |
| Logotipo |  |
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AG8888
CALL WAITING DECODER
I. GENERAL DESCRIPTION
This is a Call Waiting decoder used on the telephone. Call Waiting service works by alerting a customer engaged
in a telephone call to a new incoming call. Thus, the customer can still receive important calls while engaged in
a current call. The Call Waiting decoder can detect dual-tone (2130Hz and 2750Hz) alert tone and generate a
valid timing on the data pins for micro controller.
II. FEATURES
• Compatible with Bellcore special report SR-TSV-002476
• 3.6V ~ 6.0V supply voltage
• Call-Waiting (2130Hz plus 2750Hz) alert tone detector
• Sensitivity compensated by adjusting OP Amp
• Internal buffer
• Detection block for alert tone detected and digital algorithm detection
• Package series --- 14-pin DIP or 16-pin SOP (150 mil)
AG8888AP for 14-pin DIP
AG8888N for 16-pin SOP (150 mil)
III. APPLICATION
Feature phones, cordless phones and stand-alone product
IV. PIN CONFIGURATION
AG8888AP
TI/RI
BO
F1
AVSS
OE
NC
DVSS
1
2
3
4
5
6
7
14 OPO
13 AVDD
12 DO
11 NC
10 DVDD
9 OSCI
8 OSCO
AG8888N
TI/RI
BO
F1
AVSS
OE
NC
DVSS
NC
1
2
3
4
5
6
7
8
16 OPO
15 AVDD
14 DO
13 NC
12 DVDD
11 OSCI
10 OSCO
9 NC
* This specification are subject to be changed without notice.
8.8.2000 1
1 page  
AG8888
CALL WAITING DECODER
WAVE FORM TIMING
DO timing:
line event normal on hook
off hook
engaged call
alert
tone
(~80ms)
Tvd
CAS
Tvd=Tfvd+Tdvd
Tinvd=Tfinvd+Tdinvd
Tfvd
Tdvd
Tinvd
Tfinvd
Tdinvd
OSC timing:
Power
on/off
OSCI
(OSCO)
power off
OSC off
power on
Tosc
OSC on
Sym.
Tfvd
Tfinvd
Tdvd
Tdinvd
Tvd
Tinvd
alert
tone
Tosc
Description
filter output signal valid delay
filter output signal invalid delay
digital delay of valid signal
digital delay of invalid signal
total delay of valid signal
total delay of invalid signal
input alert tone length
(2130 ,2750 Hz @ -20dBm )
Oscillator enable delay time
Min.
Typ. Max.
6
6
36
20
42
26
80
10
Note: detected alert tone length shown above is assumed that no speech signals input.
This test is under alert tone signal = -22dBm (600Ω)
Unit
ms
ms
ms
ms
ms
ms
ms
ms
* This specification are subject to be changed without notice.
8.8.2000 5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AG8888N.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| AG8888 | CALL WAITING DECODER | ELAN Microelectronics Corp |
| AG8888AP | CALL WAITING DECODER | ELAN Microelectronics Corp |
| AG8888N | CALL WAITING DECODER | ELAN Microelectronics Corp |
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