AK2546 Datasheet, PDF (24/27 Pages) Asahi Kasei Microsystems – 7 channel T1 Transceiver

ASAHI KASEI
Reference current circuit
To determine input reference current, connect 12kΩ±1% resistor.
AK2546
R1
BGREF
[AK2546]
R1=12kΩ±1%
Power Supply
To attenuate the power supply noise, connect capacitors between VDD and VSS respectively.
The value of the capacitance AK2546 need depend on the condition of the power supply line.
Please decide the value of the capacitance after your evaluation.
AK2546
VDD
C1
Pin name
RAVDD1-RAVSS1, RAVDD2-RAVSS2, BVDD-BVSS,
TAVDD1-TAVSS1, TAVDD2-TAVSS2
TVDD1-TVSS1, TVDD2-TVSS2, TVDD3-TVSS3, TVDD4-TVSS4,
TVDD5-TVSS5, TVDD6-TVSS6, TVDD7-TVSS7, IOVDD1-
IOVSS1, IOVDD2-IOVSS2, DVDD1-DVSS1, DVDD2-DVSS2,
PVDD-PVSS
C1
1µF
0.01µF
C0019-E-01
24
1999/9