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I1932SYI
I1932SYI is part of MLS ChipCorder® family that provides multiple-message record/playback with dual operating modes (address trigger and direct trigger) and wider operating voltage ranging from 2.4V to 5.5V. The sampling frequency can be selected from 4 to 12 kHz via an external resistor. The device is designed for standalone application, as well as controlled by microcontroller.
The analog input of I1932SYI can be selected as differential microphone input with AGC feature or single-ended analog input under feed-through mode.
The audio output can be selected as the differential Class-D PWM direct-drive or a single-ended voltage output (AUX out), depending on design needs.
Target Applications:
| • | Home Appliance - Audio Feedback | |
| • | Automotive - HMI | |
| • | Security Alarm System - Fire, Smoke, Carbon Monoxide detectors | |
| • | Medical Monitor - Audio Feedback, Voice Prompt | |
| • | Gaming Console - Audio Prompt | |
Key Features:
| • | Duration | |
| - | 32s with 8KHz selected by Rosc@80Kohm | |
| - | 21.3s with 12KHz selected by Rosc@53.3Kohm | |
| • | Audio Input | |
| - | Differential microphone input with AGC | |
| - | Single-end input with 1Vpp and feed-through to speaker outputs | |
| • | Audio Output | |
| - | Class-D PWM Differential Speaker Drive, 670mW@ Vdd=5.5V | |
| - | Single-ended voltage output | |
| • | Control Interfaces | |
| - | Address Mode | |
| - | Direct Mode | |
| • | Operating Characteristics | |
| - | Voltage range: 2.4V ~ 5.5V | |
| - | Temperature range: -40°C ~ 85°C | |
| • | Package | |
| - | SOIC-28 | |