General description
VMA2013/2015 are compact, low profile and high efficiency (up to 88%) stereo audio amplifier modules...
General description
VMA2013/2015 are compact, low profile and high efficiency (up to 88%) stereo audio amplifier modules. Output power is up to 6W/15W per channel on 8Ohm load (THD = 10%). There’s no significant heat generated even at the maximum output power.
1. Applications
Portable audio Car audio Entertainment Desktop audio PC Audio Other high efficiency sound systems
2. Pinout
Pin No. 1 2 3 4
Name INLINL+ EN G0
Pin Description
Function Description
Negative input of left channel Positive input of left channel
Enable, tide to VCC to enable the module Gain set bit 0
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5 G1 6 GND 7 REG 9 OUT10 OUT+ 12 VCC 7,11 NC
3. Electrical Characteristics
Parameters Supply
Voltage
Channels Max power (THD+N = 10%)
Efficiency Gain set
THD+N SNR Vreg
Input Impedance Rin
Quiescent Current Shutdown current
4. Reference Design
Gain set bit 1 Power supply ground Logic high supply for G0 and G1
Negative output Positive output Power supply No Connection
Value 10V-22V
2 4W/10W for 4Ω load 6W/15W for 8Ω load 8W/20W for 16Ω load
88% max G1:G0=00 30dB G1:G0=01 13.2dB G1:G0=10 19.5dB G1:G0=11 16dB 0.07%(4Wx2, 8Ω load)
>90dB 6V
>10kΩ 24ma 1uA
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5. Footprint and dimensions
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