Features: ・Maximum Output
9.5 W*2ch (VDDP=12.0V, RL=8, THD+N=10%, MONO=L, GAIN[2:0]=H,L,L)
19 W*1ch (VDDP=12.0V, RL=4, THD+N=10%, MONO=H, GAIN[2:0]=H,L,L)
・Efficiency
90 % (VDDP=12.0V, RL=8, Po=9.5W)
・Distortion Rate (THD+N)
0.05 % (VDDP=12.0V, RL=8, Po=1.0W, GAIN[2:0]=H,L,L)
・S/N Ratio
100dB (VDDP=12.0V, RL=8, Po=9.5W, GAIN[2:0]=H,L,L)
・Channel Separation Ratio -78dB (VDDP=12.0V)
・Supply voltage Range 9.0V to 13.5V
・3-wire Digital Signal Input Fs: 32kHz/44.1kHz or 48kHz, Bits: 16bit or 18bit
・Gain Setting Function with GAIN[2:0] and GAINA terminal
・Power-down Function with SLEEPN terminal
・Output Mute Function with MUTEN terminal
・Monaural Output Function with MONO terminal
・Protection Functions (Over-current Protection, Thermal Protection, Clock Stop protection, Under-voltage Malfunction
Prevention, DC Input Detection)
・Pop-noise Reduction Function
・Digital Input/BTL(Bridge-Tied Load) output
・Package Lead-free 52-pin SSOP (YDA142-EZ)Pinout
Specifications
|
Item |
Symbol |
Min. |
Max. |
Unit |
|
Power Supply Terminal (VDDP) voltage range Note 1,2,3) |
VDDP |
-0.3 |
14.0 |
V |
|
SLEEPN, PROTN terminal voltage range |
VIN1 |
|
VDDP+0.3 |
V |
|
Control line terminal voltage range Note 4) |
VIN3 |
|
VREG+0.3 |
V |
|
Input/Output terminal voltage range Note 5) |
VIN4 |
VSS-0.3 |
VREG+0.3 |
V |
|
Power Dissipation (Ta=25, 4-layer board) |
PD25 |
|
6.4 |
W |
|
Power Dissipation (Ta=70, 4-layer board) |
PD70 |
|
3.6 |
W |
|
Junction Temperature |
TJMAX |
|
125 |
|
|
Storage Temperature |
TSTG |
-50 |
125 |
|
Note 1) VSS means AVSS, VSSBGR, DVSS, PVSSR, and PVSSL. Keep all the VSS terminals at the same potential.
Note 2) The voltage is based on VSS=0V.
Note 3) The power supply terminal (VDDP) means PVDDREG, PVDDR, and PVDDL terminal.
Note 4) The control input/output terminal means MUTEN, MONO, GAIN[2:0], MODE[1:0], BITSEL, FSSEL, SCLK, LRCLK, and SDIN terminal.
Note 5) The input/output terminal means VREF and GAINA terminal.
Note 6) Absolute Maximum Ratings is values which must not be exceeded to guarantee device reliability and life, and when using a device in excess even a moment, it may immediately cause damage to device or may significantly deteriorate its reliability.
DescriptionYDA142 (D-3D) is a 12V single supply voltage, high-efficiency digital audio power amplifier IC. An audio power amplifier with a maximum output of 9.5W (RL=8) * 2ch or 19W (RL=4) * 1ch can be configured with one chip.
YDA142 has a "Pure Pulse Direct Speaker Drive Circuit" that directly drives speakers while reducing distortion of a pulse output signal and reducing noise on a signal, and it realizes the highest standard low distortion rate characteristics and low noise characteristics as compared with those of digital amplifier ICs in the same class. The circuit allows you to design a circuit with as few external parts as possible depending on use conditions because any filter is no longer required.
It is possible to input a left-justified or right-justified 16bit/8bit digital audio signal of 32kHz, 44.1kHz, or 48kHz. In addition, YDA142 has a gain setting function in 32-level (analog setting) or 8-level (terminal setting).
YDA142 has Over-current Protection function for speaker output terminals, IC Thermal Protection function, POP Noise
Reduction function, and DC Input Detection function as well as Power-down function and Output Disable function.
YDA142 Data Sheet
