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PDF IL9270 Data sheet ( Hoja de datos )
| Número de pieza | IL9270 | |
| Descripción | DTMF Receiver | |
| Fabricantes | IK Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IL9270 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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TECHNICAL DATA
DTMF RECEIVER
High-Performance Silicon-Gate CMOS
IL9270
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.
• Complete receiver in an 18-pin package.
• Excellent performance.
• CMOS, single 5 volt operation.
• Minimum board area.
• Central office quality.
• Low power consumption.
D SUFFIX
SOIC
ORDERING INFORMATION
IL9270N/D
TA = -10° to 70° C
LOGIC DIAGRAM
PIN ASSIGNMENT
PIN 9 = GND
PIN 18 = VCC
PINS 5,6 = NO CONNECTION
* Connect to GND
1 page  
IL9270
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND, VCC = 5 V ± 5%,
TA = -10 to +70°C)
Symbol
VIH
VIL
VOH
VOL
IIN
ISO
IOL
IOH
ICC
VTSt
RIN
VREF
ROR
IOZ
Parameter
Minimum High-Level
Input Voltage
Maximum Low-Level
Input Voltage
Minimum High-Level
Output Voltage
Maximum Low-Level
Output Voltage
Maximum Input Leakage
Current
Maximum Pull Up
(Source) Current
Minimum Output-Low
(Sink) Current
Minimum Output-High
(Source) Current
Maximum Quiescent
Supply Current (per
Package)
Steering Threshold
Voltage
Input Impedance (Signal
Inputs 1,2)
Output Voltage
Output Resistance
Maximum Three-State
Leakage current
Test Conditions
VOUT =5 V
VOUT =5 V
No Load
No Load
VIN=VCC or GND
OE = 0 V
VOUT =0.4 V
VOUT =4.6 V
VIN =VCC
@ 1 KHz
No Load
Output in High-
Impedance State
VIN =VIL
VOUT=VCC or GND
Guaranteed Limits
Min Typ Max
3.6
1.4
4.97
0.05
±0.1
24
0.8
0.35
11
Unit
V
V
V
V
µA
µA
mA
mA
mA
2.2 2.5
8
2.4 2.8
10
±0.1
V
MΩ
V
kΩ
µA
5 Page 
IL9270
EXPANDED LOGIC DIAGRAM
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet IL9270.PDF ] | |
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