DTMF DIALER BINARY DATA-IN KS58015 DTMF dialer binary data input

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DTMF DIALER BINARY DATA-IN KS58015 DTMF dialer binary data input

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KS58015
DTMF DIALER BINARY DATA-IN
KS58015 DTMF dialer binary data input from microprocessor. When tone enable input low, oscillator inhibited device power consumption standby mode. high transition tone enable, data latched into device selected standard DTMF signals. N-channel open drain output provides MUTE output during tone generation.
14-DIP-300
14-SOP-225B
FEATURES
Direct interface with microprocessor Generates standard tones Uses inexpensive crystal ceramic resonator (3.579545MHz) Very total harmonic distortion power standby mode Binary data inputs with latches Wide Operating Voltage 8.0V
ORDERING INFORMATION
Device KS58015N KS58015D Package 14-DIP-300 14-SOP-225B Operating Temperature 30°C 70°C
BLOCK DIAGRAM
MUTE MUTE LOGIC
DATA LATCH DECODER CONVER MIXING CONTROL CIRCUIT COLUMN TONE COUNTER
TONE
Fig.1
KS58015
DTMF DIALER BINARY DATA-IN
CONFIGURATION
KS58015
TONE MUTE
Fig.
DESCRIPTION
Symbol Positive supply input Tone enable input. internal pull-up resistor chip. When this connects logic oscillator inhibited tone generators output transistor low' turned off. high transition this latches data from tone generation continues until this connected low'again. Single tone enable. internal pull-up resistor chip. When this connects logic device single tone mode. normal operation, connects this low' open-circuit. Group selection input. This used select high group group fre4 quency, when device single tone mode. internal pull-up resistor chip. When this connects open, high group will generated, when connects VSS, group will generated. MUTE Tone Negative supply input Oscillator input Oscillator output N-channel open drain output. This logic high state, when tone enable high state. This goes logic state, when tone enable state. DATA-INPUTS. These inputs binary-coded data, which latched rising edge tone enable signal. connection. This output open emitter transistor. When external load resistor connected from this VSS, tone generates tone enable High' Descriptions
KS58015
DTMF DIALER BINARY DATA-IN
ABSOLUTE MAXIMUM RATINGS
Characteristic Supply Voltage MUTE Voltage Input Voltage Power Dissipation Operating Temperature Storage Temperature Symbol (MUTE) Value Unit
ELECTRICAL CHARACTERISTICS
(VSS 2V<VDD<8V, fOSC 3.579545MHz, 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 Column (Dual Tone) Oscillator Start-up Time Data Set-up Time Data Hold Time Data Duration Symbol (PULL) (MUTE) (MUTE) (TONE) dBCR (OSC) (DATA) (DATA) (DATA) 3.0V, MUTE Open 10K, D0~D3 open, 3.0V DI3, DI3, 0.5, VDD, HIGH Tone 1MHz Bandwidth, Amplitudes, 3.0V 3.0V 3.0V 3.0V 0.8VDD 0.2VDD Test Conditions Unit
APPLICATION INFORMATION FUNCTION DESCRIPTION
When tone enable input low, oscillator inhibited, being allowed power standby mode since transistor goes turn state, input data ignored. However tone enable input goes from high, input data latched tone output enabled, correspond data input. This device designed with levels, segments each single-tone. column tone pre-emphasized than tone.
TABLE1. SINGLE TONE FREQUENCY
Tone Group COLUMN COLUMN COLUMN COLUMN Standard DTMF (Hz) 1209 1336 1477 1633 Tone Output Actual Frequency 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
KS58015
DTMF DIALER BINARY DATA-IN
TABLE FUNCTION TABLE
Board Equivalent Data Input (Hz) Tone Output (Hz) 1209 1336 1477 1209 1336 1477 1209 1336 1477 1336 1209 1477 1633 1633 1633 1633

DTMF DIALER BINARY DATA-IN KS58015 DTMF dialer binary data input

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