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AKD4201-C is an evaluation board for the stereo headphone / lineout amplifier AK4201 that has a built-in
charge-pump circuit and eliminates the need for large DC-blocking capacitors. It applies to single-end
analog input, headphone / lineout output, and it is available to evaluate the AK4201 easily.
Ordering guide
AKD4201-C
• Stereo mini jack for Line In
• Stereo mini jack for Headphone
• RCA jack for Line Out
J2
3.5 mini-
Jack
* Circuit diagram and pattern layout are attached at the end of this manual.
<KM097401>
GENERAL DESCRIPTION
--- AK4201 Evaluation Board
5V
3.3V
TM1
TM2
AVDD PVDD
AK4201
RIN
LIN
Figure 1. AKD4201-C Block Diagram
AK4201 Evaluation Board Rev.0
FUNCTION
GND
VSS1 VSS2
ROUT
LOUT
- 1 -
[AKD4201-C]
AKD4201-C
J3
3.5 mini-
Jack
2009/02
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Summary of Contents for AKM AKD4201-C
- Page 1 AK4201 Evaluation Board Rev.0 GENERAL DESCRIPTION AKD4201-C is an evaluation board for the stereo headphone / lineout amplifier AK4201 that has a built-in charge-pump circuit and eliminates the need for large DC-blocking capacitors. It applies to single-end analog input, headphone / lineout output, and it is available to evaluate the AK4201 easily.
- Page 2 Board Outline Chart Outline Chart Lout Rout Figure 2. AKD4201-C Outline Chart Comment (1) J2 (LIN / RIN): Mimi-Jack It is a jack of analog input signals LIN / RIN. These signals are input to LIN pin / RIN pin.
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Page 3: Evaluation Board Manual
[AKD4201-C] Evaluation Board Manual Operation sequence 1) Set up the power supply lines. 1-1) The power of AVDD and PVDD is supplied from power supply jacks. <Default> Name Color Typ. Using Note Default Of jack Of jack Voltage Setting 5V / 3.3V +5V / 3.3V... -
Page 4: Measurement Results
[AKD4201-C] MEASUREMENT RESULTS [Measurement condition] • Measurement unit : Audio Precession System Two Cascade • Power Supply : AVDD = PVDD = 5.0V & 3.3V • Measurement Filter : 10Hz ∼ 20kHz • Headphone-Amp : Load=16Ω or 5kΩ • Temperature : Room 1) AVDD=PVDD=5.0V... - Page 5 [AKD4201-C] PLOT DATA THD+N vs. Output power (load =16Ω, AVDD=PVDD=5.0V fin = 1kHz) Linearity (load = 5kΩ, AVDD=PVDD=5.0V fin = 1kHz) 800m 700m 600m 500m 400m 300m 200m 100m 200m 400m 600m 800m Vrms <KM097401> 2009/02 - 5 -...
- Page 6 [AKD4201-C] THD+N vs. Input Frequency (load = 5kΩ, Output Level = 2Vrms, AVDD=PVDD=5.0V) -100 -110 -120 -130 -140 1 00 2 00 5 00 10 k 2 0k Crosstalk (load = 5kΩ, Output Level = 2Vrms, AVDD=PVDD=5.0V) -100 -105 -110...
- Page 7 [AKD4201-C] Crosstalk (load = 16Ω, Output Level = 2Vrms, AVDD=PVDD=5.0V) -100 FFT (load = 16Ω, Output power = 65mW, AVDD=PVDD=5.0V) -100 -110 -120 -130 -140 -150 <KM097401> 2009/02 - 7 -...
- Page 8 [AKD4201-C] FFT (load = 5kΩ, Output level = 2Vrms, AVDD=PVDD=5.0V) -100 -110 -120 -130 -140 -150 FFT (load = 5kΩ, Input = no signal) -100 -110 -120 -130 -140 -150 <KM097401> 2009/02 - 8 -...
- Page 9 [AKD4201-C] THD+N vs. Output power (load =16Ω, AVDD=PVDD=3.3V fin = 1kHz) THD+N vs. Input Frequency (load = 5kΩ, Output Level = 2Vrms, AVDD=PVDD=5.0V) -100 -110 -120 -130 -140 <KM097401> 2009/02 - 9 -...
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Page 10: Revision History
[AKD4201-C] Revision History Date Manual Board Reason Page Contents (yy/mm/dd) Revision Revision 08/11/12 KM097400 First Edition 09/02/02 KM097401 Addition 4 - 9 Measurement Results was added. IMPORTANT NOTICE These products and their specifications are subject to change without notice. When you consider any use or application of these products, please make inquiries the sales office of Asahi Kasei EMD Corporation (AKEMD) or authorized distributors as to current status of the products. - Page 11 C100 C100 0.1u 0.1u AK4201-PVDD 5V/3.3V (Open) (Open) (Open) (Open) (Open) (Open) Title Title Title AKD4201-C AKD4201-C AKD4201-C 5V/3.3V -11- Size Size Size Document Number Document Number Document Number AK4201 AK4201 AK4201 Tuesday, October 14, 2008 Tuesday, October 14, 2008...
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