of digital audio converter IC’s
Low Voltage Operation
Headphone DAC with PLL
• DR, SNR: 9dB (HP amp); 90dB (line out)
• THD+N: -50dB (HP amp at 10mW / 16W)
• 40mW stereo headphone amp
• Input mixer for 4 analog inputs
• Analog volume control, bass boost
• 4-pin QFN package
Package
Pins
Type
16
16
32
32
16
30
48
30
24
16
20
41
24
32
16
16
16
16
16
16
28
28
44
TSSOP
TSSOP
QFN
QFN
TSSOP
VSOP
LQFP
VSOP
VSOP
TSSOP
QFN
BGA
QFN
QFN
TSSOP
TSSOP
TSSOP
TSSOP
TSSOP
TSSOP
VSOP
VSOP
LQFP
AK4370
AK4371
• DR, SNR: 9dB (HP amp); 90dB (line out)
• THD+N: -50dB (HP amp at 10mW / 16W)
• 40mW stereo headphone amp
• Input mixer for 6 analog inputs
• Analog volume control, bass boost
• -pin QFN package
Channels General
2
2
2
2
2
6/8
8
8
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2Vrms line output (ground-referenced)
2Vrms line output (biased to HV
dd
/2)
Triple output: 2Vrms, capless headphone (60mW into 16W), 700mV auxiliary, analog volume control
70mW headphone amp, 1W BTL mono speaker amp, line out, analog mixer, integrated PLL
Integrated S/PDIF transmitter, up to 1Vrms line output with 3.3V supply
Single 3.3V supply, single-ended outputs; AK4346: 6-channels AK4348: 8-channels
Differential outputs, TDM mode, DSD input capable
Single-ended outputs, TDM mode
Integrated S/PDIF transmitter, integrated PLL generates audio clocks from 27MHz video clock
50mW headphone amp, bass boost, ultra-low power
50mW headphone amp, analog mixer, mono lineout, bass boost, ultra-low power
50mW headphone amp, wide-range analog PLL, analog mixer, stereo lineout, 3-D stereo enhancement
40mW headphone amp, 4-input analog mixer, stereo line out, bass boost, analog volume control
40mW headphone amp, 6-input analog mixer, stereo and mono line out, PLL, analog volume control
Excellent price:performance ratio, differential outputs
Single-ended outputs, low cost “E” version available
Differential outputs, low cost “E” version available
Excellent power:performance ratio, low cost “E” version available
Lowest cost, serial control, single-ended outputs; AK4387: HW control AK4388: 3-wire control
Differential outputs, auto power down when MCLK is not present
High performance, DSD input capable, pin compatible to AK4393/4394
Very high performance, flat out-of-band noise, DSD input capable
32-bit flagship DAC, best performance and sound quality, flat out-of-band noise, DSD input capable
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