Features: · Modified ADM algorithm with 24 KHz sampling frequency when ROSC = 620 KW· Operates with Winbond serial flash EPROM· Built-in A/D, D/A, MIC preamplifier, AGC circuit, anti-alias/smoothing filter, speaker power amplifier, and LED indicator· 8 input trigger pins (L_REC, E_PLAY, L_PLAY, FW...
W51300: Features: · Modified ADM algorithm with 24 KHz sampling frequency when ROSC = 620 KW· Operates with Winbond serial flash EPROM· Built-in A/D, D/A, MIC preamplifier, AGC circuit, anti-alias/smoothing...
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PARAMETER | SYMBOL | CONDITION | RATED VALUE | UNIT |
Operating Temp. | TOPR | - | 0 to +70 | °C |
Storage Temp. | TSTG | - | -55 to +150 | °C |
Power Supply | VCC-VSS | - | -0.3 to +7.0 | V |
Input DC Voltage | VIN | All pins | VSS -0.3 to VCC +0.3 | V |
The W51300 is a voice recorder IC which contains A/D and D/A converters to digitize and reproduce voice signals. An anti-alias/smoothing filter, AGC circuit, MIC preamplifier, and speaker power amplifier are used to smooth the input voice and set the output voice to a certain volume while minimizing the number of extra components needed. The recording time depends on the size of the external memory.
The external memory is a nonvolatile flash EPROM that stores the voice data while power is switched off. This external memory provides a great advantage in cartridge or greeting card applications. A maximum of 16 Mbit of memory can be cascaded. In addition, the W51300's flexible segmentation, selective recording/erasing, forward and backward move functions, and MCU interface provide flexibility to meet the needs of a wide variety of applications.