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ISD4004-16MXDI View Datasheet(PDF) - Information Storage Devices

Part NameDescriptionManufacturer
ISD4004-16MXDI Single-Chip Voice Record/Playback Devices 2- to 16-Minute Durations ISD
Information Storage Devices 
ISD4004-16MXDI Datasheet PDF : 2 Pages
1 2
Product
Brief
ISD4000 Series
Single-Chip Voice Record/Playback Devices
2- to 16-Minute Durations
The ISD4000 ChipCorder® Products provide
high-quality, 3-volt, single-chip record/playback
solutions for 2- to 16-minute messaging applications
which are ideal for cellular phones and other
portable products. The CMOS based devices
include an oscillator, antialiasing filter, smoothing
filter, AutoMute® feature, audio amplifier,
and high density, multilevel Flash storage
array. The ISD4000 series is designed
to be used in a microprocessor- or
microcontroller-based system. Address and control
are accomplished through a Serial Peripheral
Interface (SPI) or Microwire serial interface to mini-
mize pin count.
Recordings are stored in on-chip nonvolatile
memory cells, providing zero-power message stor-
age. This unique, single-chip solution is made
possible through ISD’s patented multilevel storage
technology. Voice and audio signals are stored
directly into memory in their natural form, provid-
ing high-quality, solid-state voice reproduction.
ISD40000 SERIES CAN BE USED IN VARIOUS APPLICATIONS:
• Cellular phones
• Portable Digital Recorders (PDR)
• Automotive
• Telephone Answering Devices (TAD)
FEATURES
Single-chip voice record/playback solution
Single +3 volt supply
Low-power consumption
Operating current:
ICC Play = 15 mA (typical)
ICC Rec = 25 mA (typical)
Standby current 1 µA (typical)
Single-chip durations of 2, 2.5, 3, 4, 5, 6, 8, 10,
12 and 16 minutes
High-quality, natural voice/audio reproduction
AutoMute feature provides background noise
attenuation during periods of silence
No speech compression algorithm development
required
ISD4000 SERIES BLOCK DIAGRAM
Microcontroller SPI or Microwire serial
interface
Fully addressable to handle multiple messages
Nonvolatile message storage
Power consumption controlled by SPI or
Microwire control register
100-year message retention (typical)
100K record cycles (typical)
On-chip clock source
Available in die form, PDIP, SOIC, TSOP
and chip scale packaging (CSP)
Extended temperature (–20°C to +70°C) and
industrial temperature (–40°C to +85°C)
versions available
XCLK
ANA IN–
ANA IN+
Internal Clock
Timing
Sampling Clock
Amp
5-Pole Active
Antialiasing Filter
Analog Transceivers
960K, 1920K, or
3840K Cell
Nonvolatile Multilevel
Storage Array
5-Pole Active
Smoothing Filter
AutoMute
Feature
Amp
Power Conditioning
Device Control
VCCA VSSA VSSA VSSA VSSD VCCD SCLK SS MOSI MISO INT RAC AM CAP
AUDOUT
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