- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄384631 > LS256B (意法半導體) TELEPHONE SPEECH CIRCUIT WITH MULTIFREQUENCY TONE GENERATOR INTERFACE PDF資料下載
參數(shù)資料
| 型號： | LS256B |
| 廠商： | 意法半導體 |
| 英文描述： | TELEPHONE SPEECH CIRCUIT WITH MULTIFREQUENCY TONE GENERATOR INTERFACE |
| 中文描述： | 電話語音電路的多頻音調(diào)發(fā)生器接口 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 84K |
| 代理商： | LS256B |
Figure3.
Figure 4.
V
RO
V
RI
G
R
=
V
G
MF
=VMF
ELECTRICAL CHARACTERISTICS
(refer to the test circuits, S1, S2 in (a),
T
amb
= – 25 to + 50
o
C, f = 200 to 3400Hz, unless otherwise specified)
Symbol
SPEECH OPERATION
V
L
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Fig.
Line Voltage
T
amb
= 25
°
C
I
L
= 12mA
I
L
= 20mA
I
L
= 80mA
3.9
4.7
5.5
12.2
V
CMRR
G
S
Common Mode Rejection
Sending Gain
f = 1kHz, I
L
= 12 to 80mA
T
amb
= 25
°
C, f = 1kHz
V
MI
= 2mV
50
44
48
dB
dB
1
2
I
L
= 52mA
I
L
= 25mA
45
49
46
50
Sending Gain Flatness
V
MI
= 2mV, f
= 1kHz
I
L
= 12 to 80mA
f = 1kHz
I
L
= 16 to 80mA
V
MI
= 0V; I
L
= 40mA; S1 in (b)
V
MI
= 2mV, I
L
= 12 to 80mA
±
1
dB
2
Sending Distortion
V
SO
= 1V
V
SO
= 1.3V
2
10
%
2
Sending Noise
Microphone Input
Impedance Pin 1-16
Sending Loss in MF
Operation
Receiving Gain
–68.5
dBmp
k
2
40
V
MI
= 2mV
S
2
in (b)
V
R1
= 0.3V, f = 1kHz, T
amb
= 25
°
C
I
L
= 52mA
I
L
= 25mA
– 30
– 30
dB
2
G
R
L
= 52mA
I
L
= 25mA
2.5
7
3.5
8
4.5
9
±
1
dB
3
Receiving Gain Flatness
V
RI
= 0.3V, f
= 1kHz
I
L
= 12 to 80mA
f = 1kHz
dB
3
Receiving Distortion
I
L
= 12mA V
RO
= 1.6V
I
L
= 12mA V
RO
= 1.9V
I
L
= 50mA V
RO
= 1.8V
I
L
= 50mA V
RO
= 2.1V
2
10
2
10
%
3
Receiving Noise
Receiver Output
Impedance Pin 12-13
V
RI
= 0V; I
L
= 12 to 80mA; S1 in (b)
V
RO
= 50mV, I
L
= 40mA
100
μ
V
3
100
LS256
4/8
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LS256D | TELEPHONE SPEECH CIRCUIT WITH MULTIFREQUENCY TONE GENERATOR INTERFACE |
| LS3126-2 | POWR-BLOKS Distribution/Splicer Blocks and Covers |
| LS656 | Telephone Speech Circuit With Multifrequency Tone Generator Interface(帶多頻語音發(fā)生器接口的電話語音電路) |
| LSR102 | 1.0 AMP. Surface Mount Schottky Barrier Rectifiers |
| LSR103 | 1.0 AMP. Surface Mount Schottky Barrier Rectifiers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LS256D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TELEPHONE SPEECH CIRCUIT WITH MULTIFREQUENCY TONE GENERATOR INTERFACE |
| LS25AV | 制造商:Belden Inc 功能描述:COMPOSITE AV CMP |
| LS25C6L | 制造商:Thomas & Betts 功能描述:DS025C48L FOR PAULUHN |
| LS25C7L-RHB-C2 | 制造商:Thomas & Betts 功能描述:HAZ3,250W,HPS,M.T.,FOR PAULUHN,GRY |
| LS26500 | 制造商:SAFT 功能描述:BATTERY C LITHIUM 3.6V 7.7 制造商:Saft Batteries 功能描述:BATTERY, C, LITHIUM, 3.6V, 7.7AH 制造商:Dantona Industries 功能描述:CYLINDRICAL CELL BATTERY, LITHIUM, 3.6V, C; Battery Size Code:C; Battery Capacity:7.3Ah; Battery Voltage:3.6V; Battery Technology:Lithium; Battery Terminals:Pressure Contact; External Diameter:26.1mm; External Height:50mm ;RoHS Compliant: NA |
發(fā)布緊急采購，3分鐘左右您將得到回復。