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參數(shù)資料
| 型號： | AN6425K |
| 廠商： | PANASONIC CORP |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Speech Network Circuit |
| 中文描述： | TELEPHONE SPEECH CKT, PDIP28 |
| 封裝： | 0.400 INCH, SHRINK, PLASTIC, DIP-28 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 104K |
| 代理商： | AN6425K |
I
Overview
The AN6425K is a high-function speech network IC with
speaker amplifier. It incorporates a transmitter-system non-lin-
ear circuit, receiver digital VRs, etc. and is suitable for realiz-
ing the multifunctional telephone sets.
I
Features
Speech network IC for the multifunctional telephone sets
Capable of interfacing with the light-weight small receivers
and ECM transmitters
Built-in 2V REG constant voltage source (2V typ) for ECM
Built-in non-linear circuits in the transmitter and receiver
systems in order to eliminate ambient noises
Built-in speaker amplifier and capable of driving with a main
wire current
Built-in hold-tone amplifier, key-in-tone amplifier, and
DTMF transmitter, and capable of setting the mode with the
control pins
Automatic gain control (automatic pad function) according to
a circuit curret
Built-in tertiary active filter circuit and capable of sending a
DTMF circuit with much higher harmonic at a low distortion
factor
Built-in single touch receiver volume-up function (about
6dB)
AN6425K
Speech Network Circuit
Unit : mm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
2
±
0
0
±
0
3 to 15
8.4
±
0.3
0
±
0
1
4.8
±
0.25
28-pin Shrunk DIL Plastic Package (SDIP028-P-0400B)
3.05
±
0.25
10.16
±
0.25
0.3
+0.1
– 0.05
1.05
±
0.25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
TT
in
HT
KT
40k
80k
MIC
in
Filter
SEND
Amp
MUTE
Logic
INV
NAND
DVR
4k
65k
30k
2k
2k
1V
30k
CLASS B
BTL
CLASS A
Push pull
+
–
–
+
REC
DRIVER
REC
in
D6dB
D5dB
D3dB
D3dB
D12
dB
2V
1V
GND
VL
VL
2V REG
1V REFF
Battery
Selector
REC
DRIVER
SP
Amp.
I
Block Diagram
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PDF描述 |
|---|---|
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| AN6494NSA | 8/16/32 BIT MPU |
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| AN6536 | 4-Terminal Negative Adjustable Voltage Regulator |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AN6426NK | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Hands-free Speech Network IC |
| AN644 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:QuickChip Design Example 2 Low Power Silicon BJT LNA for 1.9GHz |
| AN6448NFBP | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Speech Network IC Incorporating Cross-Point Switch |
| AN645 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:USING KEELOQ㈢ TO GENERATE HOPPING PASSWORDS |
| AN6454SH | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Pager Direct Conversion FSK Demodulator Mixer IC |
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