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PDF API8108A Data sheet ( Hoja de datos )
| Número de pieza | API8108A | |
| Descripción | VERSATILE 10 SEC INSTANT VOICE ROM | |
| Fabricantes | Apuls Intergrated Circuits | |
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APLUS
VERSATILE 10 SEC INSTANT
VOICE ROM
API8108A
JUNE 1999
FEATURES
* Minimum 10 second voice length at 6 KHz
* Versatile features for playback
* Combination of voice building blocks
extends the duration of playback
* Voice data re-use saves memory space
* Four trigger pins,TG1 to TG4 for eight groups
* SBT for sequential play-all
# Holdable and unholdable, edge and level
triggering option
* 15 ms debounce time suitable for CDS
* IRP interrupt pin for master reset
* Three programmable output pins for STP Stop
Pulse, BUSY Signal, and LED
* Built-in oscillator with variable sample rate
* Single external resistor to determine sample rate
* Built-in D/A converter, EPROM
* ADPCM data compression provides high sound
quality
* Optional pop noise elimination function
* COUT pin drives speaker with a transistor
# VOUT1 and VOUT2 drives buzzer or speaker
directly
* Auto-power down
* 3.0V-6V single power supply operation
* Low standby current (<5 mA at 3V)
* Development tools support
GENERAL DESCRIPTION
API8108A is a high quality voice synthesizer capable of
varying playback duration. A proprietary ADPCM algorithm
is used. The audio message is stored in a 256K bits on-
chip EPROM which can store up to ten seconds of voice
data at 6 KHz sample rate.
The API8108A eliminates the need of complicated circuitry
in voice playback but still achieves high voice quality.
Sounds such as human speech, animal sounds, musical
sounds and even special sound effects can be synthesized.
Versatile combinations in sections achieve longer playback
duration. In addition, devices can be cascaded to achieve
longer voice duration. Two devices can be configured in
parallel in order to achieve signal mixing without an external
mixer in which speech can be mixed with background
music each from one of two different chips.
The API8108A provides wide operating voltage range
feom 2.8Vto6.0V.PWM digital amplifier output pins,VOUT1
and VOUT2 provides direct drive to buzzer or speaker.
A current output pin, COUT, enables the device to drive a
speaker through a low cost NPN transistor. No complex
filtering or amplifier circuit is needed. An automatic ramp-
down function eliminates undesired noise at the end of
playback.
Group of sections
The voice data memory area of the API8108A can be
subdivided into 124 sections. Any combination of these
sections will form an individual group for data playback. A
maximum of eight groups are available with activation
controlled by TG1 to TG4 pins. The SBT pin can be used to
trigger multiple groups playback in sequence.
Group Configuration
Voice within each group are combinations of different fixed
memory sections of up to 124 sections. These sections are
the fundamental voice building blocks for arranging
playback without limiting sequencing. This provides
flexibility and allows data to be re-used, beneficial for
applications with many repeated sounds or words.
An example of group configuration is illustrated below:
Group No.
Group 1
Group 2
Group 3
Group 4
Section Entry
Sec 1 + Sec 2 + Sec 3 -----. Sec 109
Sec 3 + Sec 2
Sec 10 + Sec 11 + Sec 12
Sec110 + Sec 10 + Sec 5
1
1 page  
APLUS
API8108A
ABSOLUTE MAXIMUM RATINGS
Symbol
VCC - GND
VIN
VOUT
TA
TSTG
Parameter
Terminal Voltage with Respect to GND
Operating Temperature
Storage Temperature
Value
-0.5 to +7.0
GND -0.3 < V IN < VCC + 0.3
GND < VOUT < VCC
-10 to +85
-55 to +125
Unit
V
V
V
°C
°C
DC CHARACTERISTICS
Symbol Parameter Description
VCC
ISB
IOP
VIH
VIL
IOH
IOL
ICO
ISTPH
ISTPL
ILED
DF/F
Operating Voltage
Standby Current
Operating Current
Input HIGH Voltage
Input LOW Voltage
VOUT HIGH Operating Current
VOUT LOW Operating Current
COUT Operating Current
STP HIGH Operating Current
STP LOW Operating Current
LED Output Current
Frequency Stability
Test Conditions
Min.
3.0
Vcc = 3.0V, I/O Open
-
Vcc = 3.0V, I/O Open
-
Vcc = 3.0V
2.5
Vcc = 2.0V
- 0.3
Vcc = 3.0V, VOUT = 3.0V
-
Vcc = 3.0V, VOUT = 0V
-
Vcc = 3.0V, VCOUT = 0.7V
-
Vcc = 3.0V, VSTP = 3.0V
-
Vcc = 3.0V, VSTP = 0V
-
Vcc = 2.2V - 6.0V
6
(FOSC [3V] - F OSC [3.5V]) / FOSC (3.0V) -
Typ.
4.5
1
-
3.0
0
-12
12
-2
-5
5
8
-
Max.
6.0
5
100
3.5
0.3
-
-
-
-
-
10
5
Unit
V
uA
uA
V
V
mA
mA
mA
mA
mA
mA
%
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet API8108A.PDF ] | |
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