TECHNICAL DATA
DTMF RECEIVER
High-Performance Silicon-Gate CMOS
The IL9270N/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.
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Complete receiver in an 18-pin package.
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Excellent performance.
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CMOS, single 5 volt operation.
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Minimum board area.
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Central office quality.
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Low power consumption.
IL9270
D SUFFIX
SOIC
ORDERING INFORMATION
IL9270N/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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英文版
DTMF RECEIVER High-Performance Silicon-Gate CMOS
INTEGRAL
-
英文版
DTMF RECEIVER High-Performance Silicon-Gate CMOS
INTEGRAL [...
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英文版
DTMF RECEIVER High-Performance Silicon-Gate CMOS
INTEGRAL
-
英文版
DTMF RECEIVER High-Performance Silicon-Gate CMOS
INTEGRAL [...
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英文版
DTMF signal receiver
ETC
-
英文版
DTMF RECEIVER High-Performance Silicon-Gate CMOS
INTEGRAL
-
英文版
DTMF signal receiver
ETC [ETC]
-
英文版
DTMF RECEIVER High-Performance Silicon-Gate CMOS
INTEGRAL [...