MAX9768BETG+T
Audio Amplifiers
Technical Specifications
| Type | Description |
|---|---|
| Iq A | 0.014 A |
| Working Voltage V | 9.25 V |
| Features | Filterless architecture;Digitally programmable gain;Analog voltage gain;Enable/shutdown function;Automatic mute/no-noise switch |
| Operating Temp | -40°C ~ +85°C |
| Total Harmonic Distortion + Noise (THD+N) | 0.08% |
| Number of Inputs | - |
| Signal-to-Noise Ratio | 97dB |
| Type | Description |
|---|---|
| Speaker Channels | 1-Channel |
| Efficiency | 87% |
| Output Power | 10Wx1@8Ohm |
| Class | Class D |
| Power Supply Rejection Ratio (PSRR) | 77dB |
| Package / Case | TQFN-24 |
Product Introduction
The MAX9768 mono 10W Class D speaker amplifier provides high-quality, efficient audio power with an integrated volume control function.
The MAX9768 features a 64-step dual-mode (analog or digitally programmable) volume control and mute function. The audio amplifier operates from a 4.5V to 14V single supply and can deliver up to 10W into an 8Ω speaker with a 14V supply.
A selectable spread-spectrum mode reduces EMI radiated emissions, allowing the device to pass EMC testing with ferrite bead filters and cable lengths up to 1m. The MAX9768 can be synchronized to an external clock, allowing synchronization of multiple Class D amplifiers.
The MAX9768 features high 77dB PSRR, low 0.08% THD+N, and SNR up to 97dB. Robust short-circuit and thermal-overload protection prevent device damage during a fault condition. The MAX9768 is available in a 24-pin thin QFN-EP (4mm×4mm×0.8mm) package and is specified over the extended -40°C to +85°C temperature range.
Features
- 10W Output (8Ω, PVDD = 14V, THD + N = 10%)
- Spread-Spectrum Modulation
- Meets EN55022B EMC with Ferrite Bead Filters
- Amplifier Operation from 4.5V to 14V Supply
- 64-Step Integrated Volume Control (I²C or Analog)
- Low 0.08% THD+N (RL = 8Ω, Pout = 6W)
- High 77dB PSRR
- Two tON Times Offered: MAX9768—220ms, MAX9768B—15ms
- Low-Power Shutdown Mode (0.5μA)
- Short-Circuit and Thermal-Overload Protection
Applications
- - Notebook Computers - Flat-Panel Displays - Multimedia Monitors - GPS Navigation Systems - Security/Personal Mobile Radio
Datasheet
Alternative Parts
Common MAX9768BETG+T alternatives overseas buyers search for:
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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