ISD1016API View Datasheet(PDF) - Information Storage Devices

Part Name

Description

MFG CO.

ISD1016API

Single-Chip Voice Record/Playback Devices 16- and 20-Second Durations

Information Storage Devices 

Product Data Sheets

ISD1000A Series

APPLICATION EXAMPLE – DESIGN SCHEMATIC

VCC

ISD1016A/1020A

VCC

CHIP ENABLE

POWER DOWN

PLAYBACK/RECORD

VSS 1 A0

2 A1

3 A2

4 A3

5 A4

6 A5

9 A6

10 A7

23 CE

24 PD

27 P/R

25 EOM

26 XCLK

VCCD

VCCA

VSSD

VSSA

28

16

C6

12 0.1 µF

13

SP+ 14

SP– 15

AUX IN 11

ANA IN 20

ANA OUT 21

R5

5.1 KΩ

MIC REF 18 (Note)

MIC 17

AGC 19

VCC

R1

C7

0.1 µF

C8

22 µF

C3

0.1 µF

16 Ω

SPEAKER

C1

0.1 µF

C5

0.1 µF

Mic Ref

NOTE: If desired, pin 18 may be left unconnected

R2

1 KΩ

R3

(microphone preamplifier noise will be higher). In this

470 KΩ

10 KΩ

R4

case, pin 18 must not be tied to any other signal or

voltage.

Additional design example schematics are provided in

C2

4.7 µF

C4

ELECTRET

MICROPHONE

10 KΩ

1

220 µF

the Application Notes and Design Manual in this book.

APPLICATION EXAMPLE – BASIC DEVICE CONTROL

Control Step

1

2

3

4

Function

Power up chip and select record/playback mode

Set message address for record/playback

Begin playback/record

End cycle

Action

1. PD = LOW

2. P/R = As desired

Set addresses A0–A7

CE = Pulsed LOW (Playback)

CE = Held LOW (Record)

CE = HIGH and EOM reached

1–17

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