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ISD1000A Datasheet(PDF) 17 Page - List of Unclassifed Manufacturers |
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ISD1000A Datasheet(HTML) 17 Page - List of Unclassifed Manufacturers |
17 / 20 page ![]() 1–17 Product Data Sheets ISD1000A Series 1 SSD SSA A0 A1 A2 A3 A4 A5 A6 A7 CE PD P/R EOM XCLK V V V V SP+ SP– AUX IN ANA IN ANA OUT MIC REF MIC AGC CCD CCA C3 16 Ω SPEAKER 1 2 3 4 5 6 9 10 23 24 27 25 26 28 16 12 13 14 15 11 20 21 18 17 19 ELECTRET MICROPHONE 0.1 µF CC V CC V 22 µF SS V PLAYBACK/RECORD POWER DOWN CHIP ENABLE ISD1016A/1020A 0.1 µF 0.1 µF C5 0.1 µF Mic Ref C1 0.1 µF CC V C2 4.7 µF 470 K Ω R2 1 K Ω R1 10 K Ω R3 C4 220 µF (Note) R5 5.1 K Ω 10 K Ω R4 C7 C6 C8 APPLICATION EXAMPLE – DESIGN SCHEMATIC APPLICATION EXAMPLE – BASIC DEVICE CONTROL Control Step Function Action 1 Power up chip and select record/playback mode 1. PD = LOW 2. P/R = As desired 2 Set message address for record/playback Set addresses A0–A7 3 Begin playback/record CE = Pulsed LOW (Playback) CE = Held LOW (Record) 4 End cycle CE = HIGH and EOM reached NOTE: If desired, pin 18 may be left unconnected (microphone preamplifier noise will be higher). In this case, pin 18 must not be tied to any other signal or voltage. Additional design example schematics are provided in the Application Notes and Design Manual in this book. 06.DataBook_1000A Dsht Page 17 Friday, September 27, 1996 10:44 AM |
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