Datasheet MAX4295 (Maxim) - 7
| Manufacturer | Maxim |
| Description | Mono, 2W, Switch-Mode (Class D) Audio Power Amplifier |
| Pages / Page | 15 / 7 — Mono, 2W, Switch-Mode (Class D). Audio Power Amplifier. MAX4295. Typical … |
| File Format / Size | PDF / 545 Kb |
| Document Language | English |
Mono, 2W, Switch-Mode (Class D). Audio Power Amplifier. MAX4295. Typical Operating Characteristics (continued)
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Mono, 2W, Switch-Mode (Class D) Audio Power Amplifier MAX4295 Typical Operating Characteristics (continued)
(VCC = PVCC = +3V, input amplifier gain = -1, SHDN = VCC , TA = +25°C, unless otherwise noted.)
OSCILLATOR FREQUENCY DEVIATION STARTUP/SHUTDOWN vs. SUPPLY VOLTAGE WAVEFORM
MAX4295 toc27 0.015 0.010 MAX4295 toc26 125kHz 0.005 V 4V/div OUT 0 -0.005 -0.010 250kHz FREQUENCY DEVIATION (%) -0.015 500kHz SHDN RL = 4Ω 2.5V/div fOSC = 250kHz -0.020 1MHz fIN = 10kHz CSS = 560pF -0.025 2.5 3.0 3.5 4.0 4.5 5.0 5.5 400µs/div SUPPLY VOLTAGE (V)
Pin Description PIN NAME FUNCTION
1, 12 GND Analog Ground 2, 15 PVCC H-Bridge Power Supply 3 OUT+ Positive H-Bridge Output 4, 13 PGND Power Ground 5 VCC Analog Power Supply 6 VCM Audio Input Common-Mode Voltage. Do not connect. Minimize parasitic coupling to this pin. 7 IN Audio Input 8 AOUT Input Amplifier Output 9 SHDN Active-Low Shutdown Input. Connect to VCC for normal operation. Do not leave floating. 10 FS1 Frequency Select Input 1 11 FS2 Frequency Select Input 2 14 OUT- Negative H-Bridge Output 16 SS Soft-Start
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(VCC = PVCC = +3V, input amplifier gain = -1, SHDN = VCC , TA = +25°C, unless otherwise noted.)
OSCILLATOR FREQUENCY DEVIATION STARTUP/SHUTDOWN vs. SUPPLY VOLTAGE WAVEFORM
MAX4295 toc27 0.015 0.010 MAX4295 toc26 125kHz 0.005 V 4V/div OUT 0 -0.005 -0.010 250kHz FREQUENCY DEVIATION (%) -0.015 500kHz SHDN RL = 4Ω 2.5V/div fOSC = 250kHz -0.020 1MHz fIN = 10kHz CSS = 560pF -0.025 2.5 3.0 3.5 4.0 4.5 5.0 5.5 400µs/div SUPPLY VOLTAGE (V)
Pin Description PIN NAME FUNCTION
1, 12 GND Analog Ground 2, 15 PVCC H-Bridge Power Supply 3 OUT+ Positive H-Bridge Output 4, 13 PGND Power Ground 5 VCC Analog Power Supply 6 VCM Audio Input Common-Mode Voltage. Do not connect. Minimize parasitic coupling to this pin. 7 IN Audio Input 8 AOUT Input Amplifier Output 9 SHDN Active-Low Shutdown Input. Connect to VCC for normal operation. Do not leave floating. 10 FS1 Frequency Select Input 1 11 FS2 Frequency Select Input 2 14 OUT- Negative H-Bridge Output 16 SS Soft-Start
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