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ST Microelectronics STMICROELECTRONICS[STMicroelectronics] 意法半导
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Part No. |
LS256 LS256D LS256B
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OCR Text |
...ure 3. Figure 4.
GR =
VRO vri
GMF =
VMO VMF
ELECTRICAL CHARACTERISTICS (refer to the test circuits, S1, S2 in (a), Tamb = - 25 to + 50oC, f = 200 to 3400Hz, unless otherwise specified)
Symbol VL CMRR GS Parameter Line Voltag... |
Description |
Telephone Speech Circuit With Multifrequency Tone Generator Interface(带多频语音发生器接口的电话语音电
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File Size |
83.38K /
8 Page |
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it Online |
Download Datasheet |
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ams AG AMSCO[austriamicrosystems AG] Austria Mikro Systems
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Part No. |
AS2507T AS2507P AS2507
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OCR Text |
...e Input Impedance RI Conditions vri=0.25VRMS vri=0.25VRMS TAMP=25C vri=0.25VRMS 24 500 Min -8.0 Typ -6.0 Max -4.0 2 -60 Units dB % dBmp dB k
6/9
July 1998
Preliminary Data Sheet
AS2507
FSK characteristics VDD=5V, f=1kHz, unle... |
Description |
SINGLE CHIP 2-WIRE INTERCOM CMOS INTEGRATED CIRCUIT
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File Size |
134.86K /
9 Page |
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it Online |
Download Datasheet |
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意法半导 STMicro
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Part No. |
L3280
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OCR Text |
...e 3.
Receiving gain GR = VRO vri
Sending gain and sidetone : GS = VSO ; ST = VRO VMI VMI
3/8
L3280
ELECTRICAL CHARACTERISTICS (Tamb = 25oC ; f = 1kHz ; IL = 20mA : mute low ; R1 (pin 14) = 43, unless otherwise specified)
Symbo... |
Description |
Low Voltage Telephone Speech Circuit(低压电话语音芯片)
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File Size |
120.26K /
8 Page |
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it Online |
Download Datasheet |
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Price and Availability
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