MAX9814ETD+T
Audio Amplifiers
Technical Specifications
| Type | Description |
|---|---|
| Iq A | - |
| Working Voltage V | 4.1 V |
| Features | Digitally programmable gain;Enable/shutdown function |
| Operating Temp | -40°C ~ +85°C |
| Total Harmonic Distortion + Noise (THD+N) | 0.04% |
| Number of Inputs | - |
| Signal-to-Noise Ratio | 61dB |
| Type | Description |
|---|---|
| Speaker Channels | 1-Channel |
| Efficiency | - |
| Output Power | - |
| Class | Class AB |
| Power Supply Rejection Ratio (PSRR) | 50dB |
| Package / Case | TDFN-14-EP |
Product Introduction
The MAX9814 is a low-cost, high-quality microphone amplifier with automatic gain control (AGC) and low-noise microphone bias. The device features a low-noise preamplifier, variable gain amplifier (VGA), output amplifier, microphone-bias-voltage generator and AGC control circuitry.
Features
- Automatic Gain Control (AGC)
- Three Gain Settings (40dB, 50dB, 60dB)
- Programmable Attack Time
- Programmable Attack and Release Ratio
- 2.7V to 5.5V Supply Voltage Range
- Low Input-Referred Noise Density of 30nV/√Hz
- Low THD: 0.04% (typ)
- Low-Power Shutdown Mode
- Internal Low-Noise Microphone Bias, 2V
- Available in the Space-Saving, 14-Pin TDFN (3mm x 3mm) Package
- 40℃ to +85℃ Extended Temperature Range
Applications
- - Digital Still Cameras - Digital Video Cameras - PDAs - Bluetooth Headsets - Entertainment Systems (e.g., Karaoke) - Two-Way Communicators - High-Quality Portable Recorders - IP Phones/Telephone Conferencing
Datasheet
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542339000 |
| USHTS | 8542330001 |
| TARIC | 8542339000 |
| Type | Details |
|---|---|
| CAHTS | 8542330000 |
| BRHTS | 85423390 |
| INHTS | 85423300 |
| MXHTS | 8542.33.99 |
Sourcing Information
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