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KK9270N Datasheet

  • KK9270N

  • DTMF RECEIVER High-Performance Silicon-Gate CMOS

  • 730.65KB

  • 12頁(yè)

  • KODENSHI

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TECHNICAL DATA
DTMF RECEIVER
High-Performance Silicon-Gate CMOS
The KK9270N/D is a complete DTMF receiver integrating both the
bandsplit filter and digital decoder functions. The filter section uses
switched capacitor techniques for high- and low-group filters and dial-
tone rejection. Digital counting techniques are employed in the decoder
to detect and decode all 16 DTMF tone-pairs into a 4-bit code. External
component count is minimized by on-chip provision of a differential
input amplifier, clock-oscillator and latched 3-state bus interface.
鈥?/div>
Complete receiver in an 18-pin package.
鈥?/div>
Excellent performance.
鈥?/div>
CMOS, single 5 volt operation.
鈥?/div>
Minimum board area.
鈥?/div>
Central office quality.
鈥?/div>
Low power consumption.
KK9270
D SUFFIX
SOIC
ORDERING INFORMATION
KK9270N/D
T
A
= -10擄 to 70擄 C
LOGIC DIAGRAM
PIN ASSIGNMENT
*
Connect to GND
PIN 9 = GND
PIN 18 = V
CC
PINS 5,6 = NO CONNECTION

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    DTMF RECEIVER High-Performance Silicon-Gate CMOS
    KODENSHI
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    DTMF RECEIVER High-Performance Silicon-Gate CMOS
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    KODENSHI
  • 英文版
    DTMF RECEIVER High-Performance Silicon-Gate CMOS
    KODENSHI
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    DTMF RECEIVER High-Performance Silicon-Gate CMOS
    KODENSHI [...
  • 英文版
    DTMF RECEIVER High-Performance Silicon-Gate CMOS
    KODENSHI
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    DTMF RECEIVER High-Performance Silicon-Gate CMOS
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