Electronic Components Datasheet Search |
|
HT9315AL Datasheet(PDF) 6 Page - Holtek Semiconductor Inc |
|
HT9315AL Datasheet(HTML) 6 Page - Holtek Semiconductor Inc |
6 / 27 page Pulse Mode Electrical Characteristics FOSC=3.5795MHz, Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions IPOH PO Output Source Current 2.5V VOH=2V -0.2 ¾¾ mA IPOL PO Output Sink Current 2.5V VOL=0.5V 0.2 0.6 ¾ mA PR Pulse Rate ¾ MODE pin is connected to VDD ¾ 10 ¾ pps MODE pin is opened ¾ 20 ¾ M/B Make/Break Ratio ¾ A resistor is linked between R2 and C1 ¾ 33:66 ¾ % No resistor is linked between R2 and C1 ¾ 40:60 ¾ TPDP Pre-digit-pause Time ¾ M/B ratio=40:60 ¾ 40 (10pps) 20 (20pps) ¾ ms M/B ratio=33:66 ¾ 33 (10pps) 17 (20pps) ¾ TIDP Inter-digit-pause Time ¾ Pulse rate=10pps ¾ 800 ¾ ms Pulse rate=20pps ¾ 500 ¾ TM Pulse Make Duration ¾ A resistor is linked between R2 and C1 ¾ 33 (10pps) 17 (20pps) ¾ ms No resistor is linked between R2 and C1 ¾ 40 (10pps) 20 (20pps) ¾ TB Pulse Break Duration ¾ A resistor is linked between R2 and C1 ¾ 66 (10pps) 33 (20pps) ¾ ms No resistor is linked between R2 and C1 ¾ 60 (10pps) 30 (20pps) ¾ Tone Mode Electrical Characteristics FOSC=3.5795MHz, Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VTDC DTMF Output DC Level ¾¾ 0.45VDD ¾ 0.7VDD V ITOL DTMF Sink Current 2.5V VDTMF=0.5V 0.1 ¾¾ mA VTAC DTMF Output AC Level ¾ Row group, RL=5kW 0.12 0.155 0.18 Vrms RL DTMF Output Load 2.5V THD £-23dB 5 ¾¾ k W ACR Column Pre-emphasis 2.5V Row group=0dB 1 2 3 dB THD Tone Signal Distortion 2.5V RL=5k W¾ -30 -23 dB TTMIN Minimum Tone Duration ¾ Auto-redial ¾ 82.5 ¾ ms TITPM Minimum Inter-tone Pause ¾ Auto-redial ¾ 85.5 ¾ ms THD (Distortion) (dB) = 20 log ( ) V1 V2 ... Vn / Vi Vh 22 2 22 ++ + + Vi, Vh: Row group and column group signals V1, V2, ... Vn: Harmonic signals (BW=300Hz~3500Hz) HT9315 Series Rev. 1.20 6 October 1, 2002 |
Similar Part No. - HT9315AL |
|
Similar Description - HT9315AL |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |