ISD1806X
Description
Nuvoton’s ISD1800 ChipCorder® provides high-quality, single chip, single-message, record/playback solution with user-selectable durations of 6 to 16 seconds. The CMOS devices include an on-chip oscillator (with external control), microphone preamplifier, automatic gain control, anti-aliasing filter, multilevel storage array, smoothing filter, and speaker amplifier.
Key Features
- Easy-to-use single-chip, single-message voice record/playback solution
- High-quality, natural voice/audio reproduction
- Push-button interface o Playback can be edge- or level-activated
- Variable record/playback duration controlled by external resistor selection, which sets sample rate. Sample Rate Duration 8 KHz 6.4 KHz 5.3 KHz 4 HKz I1806 6 secs 7.5 secs 9 secs 12 secs I1810 8 secs 10 secs 12 secs 16 secs ROSC 80 KΩ 100 KΩ 120 KΩ 160 KΩ
- Automatic power-down mode o Enters standby mode immediately following a record or playback cycle o 0.5 µA standby current (typical)
- On-chip 8Ω speaker driver
- Zero-power message storage o Eliminates battery backup circuits
- 100-year message retention (typical)
- 100,000 record cycles (typical)
- On-chip oscillator
