Detail
Product Description:
TPA6120A is a TI's 216KHZ sampling frequency stereo ADC with the highest dynamic range of 124DB SNR. It provides 600±Ω with a±12V voltage when (THD+N) is 0.00014 %. 80mW power; current feedback architecture; dynamic range greater than 120dB; SNR is 120dB; output noise is 5μV at 2V/V gain; operating voltage range: ±5 to ±15V; slew rate: 1300V/μs; differential input; Low crosstalk; short circuit and thermal protection
Product details:
1. Use original Toshiba TPA6120A and NE5534.
2. The main circuit of electrolytic capacitor signal adopts Siemens brand name, and the main filter capacitor adopts Nikon 2×3300UF capacity to ensure strong and continuous power support.
3. The five-ring metal resistor is used for the resistor. The main circuit adopts a five-ring metal film resistor with an accuracy of ±1% to ensure a good signal-to-noise ratio.
4.PCB adopts 1.6mm thick double-sided sheet, 2.0 oz copper thickness, and spray tin full process to ensure good passing performance of large and small currents. First-class PCB quality.
5. The layout of the entire circuit board is quite rigorous and reasonable. The overall PCB trace is grounded at one point. In the dead of night, the headphones are almost inaudible and very quiet.
6. Use UPC1237 and macro relay for output delay protection
7. UseJapan imports ALPS 27 type sealed potentiometer (a potentiometer must be tens of dollars)
8. Two red switches are the gain switches for the corresponding channels.
Parameter:
Board size: 104MM*88MM
Working voltage: AC 15V-0-15V
Applicable headphone impedance: 32 ohms - 600 ohms
Frequency response: 20HZ-20KHZ
Package:
1pc Finished TPA6120A Headphone Amplifier Board
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