ISD1790PY Nuvoton Technology Corporation of America, ISD1790PY Datasheet - Page 4

• Manufacturer Part Number: ISD1790PY
• Description: IC VOICE REC/PLAY 90-SEC 28-DIP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: ISD1700, ChipCorder®r

Specifications of ISD1790PY

• Interface: SPI
• Duration: 90 Sec
• Mounting Type: Through Hole
• Package / Case: 28-DIP (0.600", 15.24mm)
• For Use With: ISD-COB1790 - BOARD DEMO FOR ISD1790ISD-COB1760 - BOARD DEMO FOR ISD1760ISD-COB1750 - BOARD DEMO FOR ISD1750ISD-COB1740 - BOARD DEMO FOR ISD1740ISD-COB1730 - BOARD DEMO FOR ISD1730ISD-COB17240 - BOARD DEMO FOR ISD17240ISD-COB17210 - BOARD DEMO FOR ISD17210ISD-COB17150 - BOARD DEMO FOR ISD17150ISD-ES17XX_USB_PB - BOARD DEMO FOR ISD1700 SERIES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Filter Pass Band: -

2 FEATURES
 Integrated message management systems for single-chip, push-button applications
 Selectable sampling frequency controlled by an external oscillator resistor
 Selectable message duration
 Message and operation indicators
 Dual operating modes
 Two individual input channels
 Dual output channels
 ChipCorder standard features
o A wide range selection from 20 secs to 480 secs pending upon sampling frequency chosen
o Standalone mode:
o SPI mode:
o
o
o
o
o
o
o
o Automatic power-down after each operation cycle
o Four customizable Sound Effects (SEs) for audible indication
o Optional vAlert (voiceAlert) to indicate the presence of new messages
o LED: stay on during recording, blink during playback, forward and erase operations
o MIC+/MIC-: differential microphone inputs with AGC (Automatic Gain Control)
o AnaIn: single-ended auxiliary analog input for recording or feed-through
o Differential PWM Class D speaker outputs directly drives an 8 Ω speaker or a typical buzzer
o Configurable AUD (current) or AUX (voltage) single-ended output drives external audio amplifier
o High-quality, natural voice and audio reproduction
o 2.4V to 5.5V operating voltage
o 100-year message retention (typical)
Sample Freq.
Sampling Frequency
Rosc



6.4 kHz
5.3 kHz
RDY
REC
PLAY
ERASE
FWD
RESET
VOL
8 kHz
4 kHz
12 kHz
Integrated message management techniques
Automatic power-down after each operation cycle
Fully user selectable and controllable options via APC register and various SPI commands
: level-trigger for recording
: 8 levels output volume control
: edge-trigger to advance to the next message or fast message scan during the playback
INT
: edge-trigger for individual message or level-trigger for looping playback sequentially
: edge-triggered erase for first or last message or level-triggered erase for all messages
: return to the default state
: ready or busy status indication
ISD1730
20 secs
30 secs
37 secs
45 secs
60 secs
12 kHz
53 kΩ
120 secs
ISD1760
40 secs
60 secs
75 secs
90 secs
80 kΩ
8 kHz
ISD17120
- 4 -
120 secs
150 secs
181 secs
240 secs
80 secs
6.4 kHz
100 kΩ
ISD1700 DATASHEET
5.3 kHz
120 kΩ
ISD17240
Publication Release Date:Feb 4, 2010
160 secs
240 secs
300 secs
362 secs
480 secs
160 kΩ
4 kHz
Revision 2.0