AK4213 查看數據表（PDF） - Asahi Kasei Microdevices

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AK4213

Mono Class-D SPK-Amp with Stereo Cap-less HP-Amp

Asahi Kasei Microdevices 

[AK4213]

Receiver-AMP

3.9Ω

Input Voltage: 1.13Vrms, Common Voltage=1.8V

3.9Ω

RVINN pin

RVINP pin

AK4213

SW 1

SPK-AMP

ALC

SPP pin

SPN pin

Measurement point of

8Ω

THD+N and Output Voltage

SW 2

Figure 2. Connection with external RCV-Amp

DC Input Voltage: 3.6V

RVINP pin

AK4213

SW 1

SPK-AMP

ALC

DC Input Voltage: 3.6V

RVINN pin

SW 2

Measurement point of

Switch OFF Isolation

SPP pin

50Ω

SPN pin

50Ω

Measurement point of

Switch OFF Isolation

RVINP pin

50Ω

AK4213

SW 1

SPK-AMP

ALC

RVINN pin

50Ω

SW 2

SPP pin

DC Input Voltage: 3.6V

SPN pin

DC Input Voltage: 3.6V

Figure 3. Measurement Circuit of Switch OFF Isolation

Headphone-amp negative voltage

Charge Pump Circuit

PVEE pin

CN pin

C1

VSS3

CP pin

C2

Figure 4. Charge Pump Circuit External Capacitor

MS0949-E-01

-9-

2008/07

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