ISD5008Z集成電路（IC）的語(yǔ)音錄制回放規(guī)格書(shū)PDF中文資料

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ISD5008 PRODUCT SUMMARY

The ISD5008 ChipCorder product is a fully-inte grated, single-chip solution which provides seamless integration of enhanced voice record and playback features for digital cellular phones (GSM, CDMA, TDMA, PDC, and PHS), automotive communications, GPS/navigation systems, and portable communication products. This low-power, 3-volt product enables customers to quickly and easily integrate 4 to 8 minutes of voice storage features such as one-way and two-way (full duplex) call record, voice memo record, and call screening/answering machine functionality.

ISD5008 FEATURES

FULLY-INTEGRATED SOLUTION

? Single-chip voice record/playback solution

? Integrated sampling clock, anti-aliasing and smoothing filters, and multi-level storage array

? Integrated analog features such as automatic

gain control (AGC), audio gating switches,

speaker driver (23mW with 8 ohm load),

summing amplifiers, volume control, and an

AUX IN/AUX OUT interface (e.g., for car kits).

LOW-POWER CONSUMPTION

? Single +3 volt supply

? Operating current:

ICC Play = 15 mA (typical)

ICC Rec = 25 mA (typical)

ICC Feedthru = 12 mA (typical)

? Standby current: ISB = 1 μA

? Power consumption controlled by SPI or Microwire control register

? Most stages can be individually powered down for minimum power consumption

ENHANCED VOICE FEATURES

? One or two-way (full duplex) conversation record (record signal summation)

? One- or two-way (full duplex) message playback (while on a call)

? Voice memo record and playback

? Private call screening

? In-terminal answering machine

? Personalized outgoing message (given caller ID information from host chip set)

? Private call announce while on call (given CIDCW information from host chip set)

EASY-TO-USE AND CONTROL

? No compression algorithm development required

? User-controllable sample rates of 8.0 kHz, 6.4 kHz, 5.3 kHz, or 4.0 kHz providing up to 8 minutes of voice storage.

? Microcontroller SPI or Microwire? Serial Interface

? Fully addressable to handle multiple messages in 1200 rows

HIGH QUALITY SOLUTION

? High quality voice and music reproduction

? ISD’s standard 100-year message retention (typical)

? 100,000 record cycles (typical)

OPTIONS

? Available in die form, PDIP, SOIC, TSOP, and chip scale packaging (CSP)

? Compact μBGA chip scale package available for portable applications

? Extended temperature (-20 to +70°C) and industrial temperature (-40 to +85°C) versions available