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PDF CS9370 Data sheet ( Hoja de datos )
| Número de pieza | CS9370 | |
| Descripción | DTMF Receiver | |
| Fabricantes | Semico | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CS9370 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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Semic●
CS9370
DTMF Receiver
The Document is Applied to: CS9370DGP、CS9370DGO
General Description
The CS9370 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 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.
Features
z CMOS, 5/3 Volt operation.
z Excellent performance with minimum board quality.
z Central office quality.
z Low power consumption.
z Power-Down mode
z Inhibit-mode
z Package: DIP18, SOP18
Absolute Maximum Ratings
Supply Voltage：........................................-0.3～+6.0V
Operating Temperature：...........................-40～+85℃
Storage Temperature： ............................-65～+150℃
Power Dissipation：............................................ 35mW
Pin Configuration
IN+ 1
IN- 2
GS 3
VREF 4
INH 5
PWDN 6
OSC1 7
OSC2 8
VSS 9
18 VDD
17 St/GT
16 ESt
15 StD
14 Q4
13 Q3
12 Q2
11 Q1
10 TOE
DC Electrical Characteristics (Unless otherwise specified: Ta=25℃)
Parameter
Description
Test Condition
SUPPLY:
VDD
ICC
PO
IS
INPUTS:
Operating supply voltage
Operating supply current
Power consumption
Standby current
F=3.579MHz；VDD=5V
VPWDN=VDD
VIL Low level input voltage
VIH High level input voltage
IIH/IIL Input leakage current
VIN=VSS or VDD
ISO Pull up (source) current
TOE（Pin 10）=0V
RIN
Input Signal Impedance (Inputs 1,
2)
@1kHz
VTST
OUTPUT:
VOL
VOH
IOL
IOH
VREF
ROR
Steering threshold voltage
Low level output voltage
High level output voltage
Output low (sink) current
Output High (source) current
Output voltage
Output resistance
No load
No load
VOUT =0.4V
VOUT =4.6V
No load
Min. Typ. Max.
2.5 5.5
3.0 7
15 35
100
1.5
3.5
0.1
7.5 15
10
2.35
0.03
4.97
1.0 2.5
0.4 0.8
2.4 2.7
10
Unit
V
mA
mW
μA
V
V
μA
μA
MΩ
V
V
V
mA
mA
V
kΩ
Vol: 2006-01-E
2006-02-27
1/4
Datasheet pdf - http://www.DataSheet4U.net/
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet CS9370.PDF ] | |
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