AK4213 Datasheet, PDF (9/38 Pages) Asahi Kasei Microsystems – Mono Class-D SPK-Amp with Stereo Cap-less HP-Amp

[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