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參數(shù)資料
| 型號： | AN6425 |
| 廠商： | Panasonic Corporation |
| 英文描述： | Speech Network Circuit |
| 中文描述： | 語音網(wǎng)絡(luò)電路 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大?。?/td> | 104K |
| 代理商： | AN6425 |
I
Pin Descriptions (cont.)
Pin No.
Pin name
25
26
27
28
SP out (1)
SP out (2)
BS
V
L
Power supply boot strap pin.
Connects to the Pin28 via 47
μ
F. The
DC resistance of the communication cir-
cuit is determined by connecting an
external resistor to GND.
Supply current input pin.
Connects to the + output of the diode
bridge.
Typical waveform
Description
Equivalent circuit
DC
1 to 8V
3 to
10V
27
50
2k
V
L
Speaker output (1) pin,
Speaker output (1) pin.
Output of the class-A differential ampli-
fier and connected to the speaker
through the transformer (300
) with
intermediate tap.
1V
1V
25
26
Parameter
Symbol
Condition
min
typ
max
KEY IN TONE gain
G
V (KEY)
dB
40
Measure the output between the Pin22 and
23 when key input (Pin17)=–40dBm.
To the Pin8 – GND
Transmitter noise preventive attenuation
MUTE
(SEND)
MUTE
(MIC)
R
(REC)
dB
–14
Transmitter noise preventive selector level
dBm
–62
REC output
–1dB
Low impedance drive
dB
R (REC)=130
,
Input=–50dBm
DC resistance (1)
R
DC (1)
V
3.8
With I
L
=20mA, measure the DC voltage at the Pin28
when connecting 6.2k
between the Pins27 and 1.
V
With I
L
=100mA, measure the DC voltage at the Pin28
when connecting 6.2k
between the Pins27 and 1.
Measure the AC impedance between
the Pins28 and 1 at I
L
=20mA.
Measure the AC impedance between
the Pins28 and 1 at I
L
=100mA.
Measure the DC voltage at the
Pin2 at I
L
=30mA.
Measure the DC voltage at the
Pin3 at I
L
=20mA.
DC resistance (2)
R
DC (2)
k
2
Note) The above characteristics are design reference values and not guaranteed values.
35
AC impedance (1)
Z
AC (1)
k
1.5
AC impedance (2)
Z
AC (2)
V
Internal regulator voltage
V
REG
V
1
Internal reference voltage
V
REF
10
2
Unit
I
Supplementary Descriptions
Electrical Characteristics Design Reference Values (Ta=25C)
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PDF描述 |
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| AN6425K | Speech Network Circuit |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AN6425K | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Speech Network Circuit |
| 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 |
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