Content for ISD1700


The Winbond® 1SD1700 ChipCorder® Series is a high quality, fully integrated, single-chip muilti- message voice record and playback device ideally suited to a variety of electronic systems. The message duration is user selectable in ranges from 26 seconds to 120 seconds, depending on the specific device. The sampling frequency of each device can also be adjusted from 4 kHz to 12 kHz with an external resistor, giving the user greater flexibility in duration versus recording quality for each application. Operating voltage spans a range from 2.4 V to 5.5 V to ensure that the ISD1700 devices are optimized for a wide range of battery or line-powered applications. The ISD1700 is designed for operation in either standalone or microcontroller (SPI) mode. The device incorporates a proprietary message management system that allows the chip to self-manage address locations for multiple messages. This unique feature provides sophisticated messaging flexibility in a simple push-button environment. The devices include an on-chip oscillator (with external resistor control), microphone preamplifier with Automatic Gain Control (AGC), an auxiliary analog input, anti- aliasing filter, Multi-Level Storage (MLS) array, smoothing filter, volume control, Pulse Width Modulation (PWM) Class D speaker driver, and current/voltage output.

Hackvent Calendar

“Seasons Greetings! It seems a bit early for Christmas but this fun project needs to be done early to be ready for the festive period. This little project is one that I did over a weekend with my kids. I …

Software for Recording Audio Files Into ISD1700 Chips

“Make the simplest ISD1700 programmer using Arduino. In one of my recent projects I needed to add voicing the short text messages. Shields likeMP3-module with SD-card seemed to me excessive, and «teaching» Arduino to reproduce human speech would mean …