AK4712EN_ View Datasheet(PDF) - Asahi Kasei Microdevices

Part Name

Description

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AK4712EN_

AK4712 Evaluation Board Rev.0

Asahi Kasei Microdevices 

[AKD4712-A]

MEASUREMENT RESULTS

„ Audio

[Measurement condition]

• Measurement unit : Audio Precision SYS-2722

• BW

: 20Hz∼20kHz

• Power Supply : +5V=5V, VD1=3.3V, VD2=3.3V, VVD=3.3V

• Interface

: Input: Cannon, Output: BNC

• Temperature : Room

• Volume Gain : 0dB

• Measurement signal line path: AINL/AINR → TVOUTL/TVOUTR

Parameter

Input signal

Measurement filter

S/(N+D)

(At 2Vrms Output)

DR

S/N

1kHz, 0dBFS

1kHz, -60dBFS

No input

20kLPF

22kLPF, A-weighted

22kLPF, A-weighted

Results

Lch [dB]

104.2

109.2

109.2

Plots

Figure 1-1. FFT (1kHz, 0dBFS input) at 2Vrms output

Figure 1-2. FFT (1kHz, -60dBFS input)

Figure 1-3. FFT (Noise floor)

Figure 1-4. THD+N vs. Input Level (fin=1kHz)

Figure 1-5. THD+N vs. fin (Input Level=0dBFS)

Figure 1-6. Linearity (fin=1kHz)

Figure 1-7. Frequency Response (Input Level=0dBFS)

Figure 1-8. Crosstalk (Input Level=0dBFS)

Results

Rch [dB]

104.6

109.1

109.1

<KM111300>

-15-

2012/06

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