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부품번호 | S5T0167 기능 |
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기능 | DTMF DIALER FOR BINARY DATA-IN | ||
제조업체 | Samsung semiconductor | ||
로고 | |||
DTMF DIALER FOR BINARY DATA-IN
INTRODUCTION
The S5T0167 is a DTMF dialer for 4 bit binary data input from the
microprocessor. When the tone enable input is low, the oscillator is
inhibited and the device is in a low power consumption at standby
mode.On the low to high transition of tone enable, data is latched into
the device and selected the standard DTMF signals.
The N-channel open drain output provides a MUTE output during tone
generation.
14−DIP−300
FEATURES
• Direct interface with microprocessor
• Generates 16 standard tones
• Uses inexpensive TV crystal or ceramic resonator (3.579545MHz)
• Very low total harmonic distortion
• Low power standby mode
• Binary data inputs with latches
• Wide Operating Voltage : 2.5 ~ 8.0V
14−SOP−225B
ORDERING INFORMATION
Device
S5T0167X01-D0B0
S5T0167X01-S0B0
Package
14−DIP−300
14−SOP−225B
Operating Temperature
− 30 to +70°C
S5T0167
1
S5T0167
DTMF DIALER FOR BINARY DATA-IN
ELECTRICAL CHARACTERISTICS
(VSS = 0V, 2V<VDD<8V, fOSC = 3.579545MHz, Ta = 25°C, unless otherwise noted)
Characteristic
Operating voltage range
Operating Current
Standby Current
Input Pull-up resistance
Input Voltage
Output Current (MUTE)
Tone Output Level
Ratio of Column to Row
THD (Dual Tone)
Oscillator Start-up Time
Data Set-up Time
Data Hold Time
Data Duration
Symbol
Test Conditions
VDD
−
IDD VDD = 3.0V, MUTE Open
ISB RL = 10K, D0 to D3 open, VDD = 3.0V
RI (PULL) DI0 to DI3, TEN
VIL DI0 to DI3, TEN
VIH
IOL (MUTE) VDD = 3V, VO = 0.5, TEN = LOW
IOH (MUTE) VDD = 3V, VO = VDD, TEN = HIGH
VO (TONE) VDD = 3V, RL = 5kΩ, Row Tone
dBCR
VDD = 3V, RL = 5kΩ
THD
1MHz Bandwidth, VDD = 5V, RL = 5kΩ
tST (OSC) 90% Amplitudes, VDD = 3.0V
tSU (DATA) VDD = 3.0V
tH (DATA) VDD = 3.0V
tW (DATA) VDD = 3.0V
Min.
2.0
Typ. Max.
− 8.0
Unit
V
− − 1.5 mA
− 50 100 µA
− 100 − KΩ
VSS − 0.2VDD V
0.8VDD −
VDD
V
0.5 1.5 − mA
− 1 2 µA
−14 − −11 dBV
1 2 3 dB
−20 −
− dB
− 4 − mS
200 −
− nS
200 −
− nS
600 −
− nS
APPLICATION INFORMATION
FUNCTION DESCRIPTION
When tone enable input is low, oscillator is inhibited, being allowed to low power standby mode since transistor
goes to turn off state, so D0 to D3 input data is ignored.
However if tone enable input goes from low to high, input data is latched and tone output is enabled, and it is
correspond to data input. This device is designed with 14 levels, 28 segments in each single-tone. The column tone
is pre-emphasized 2dB than the row tone.
Table 1. Single Tone Frequency
Tone Group Standard DTMF (Hz) Tone Output Actual Frequency
ROW 1
ROW 2
ROW 3
ROW 4
COLUMN 1
COLUMN 2
COLUMN 3
COLUMN 4
697
770
852
941
1209
1336
1477
1633
699.13
766.17
845.43
947.97
1215.89
1331.67
1471.85
1645.01
% Deviation from Standard
+ 0.31
− 0.50
− 0.54
+ 0.74
+ 0.57
− 0.33
− 0.35
+ 0.75
4
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부품번호 | 상세설명 및 기능 | 제조사 |
S5T0167 | DTMF DIALER FOR BINARY DATA-IN | Samsung semiconductor |
S5T0167X01 | DTMF DIALER FOR BINARY DATA-IN | Samsung semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |