AK2401 Datasheet, PDF (9/103 Pages) Asahi Kasei Microsystems – Direct Conversion Transceiver

[AK2401]
39
RSTN
DI
Hi-Z Hardware Reset Pin
40 RX_PDN DI
Hi-Z
Power Down Pin for Receiving Block
Refer to 13.1. Power Management section for details.
41
TX_PDN
DI
Hi-Z
Power Down Pin for Transmitting Block
Refer to 13.1. Power Management section for details.
42 AGC_KEEP DI
Hi-Z
AGC ON/OFF Control Pin
Refer to 13.8.9 AGC_KEEP section for details.
43
CSN
DI
Hi-Z Register Serial Data Chip Select Pin
44
SDATAI
DI
Hi-Z Register Serial Data Input
45
SCLK
DI
Hi-Z Register Serial Data Clock Input
46
SDATAO DO
Low Register Serial Data Output
47
LD
DO
Low Lock Detection Output Pin
48
DVDD
P
-
Digital Power Supply for Interface Circuit
49 AD_SCLK DO
Low Clock Output for A/D converter Serial Data
50
AD_SDO DO
Low Serial Data Output for A/D Converter
51
AD_FS
DO
Low Frame Synchronized Output for A/D Converter Serial Data
52
DA_FS
DI
Hi-Z Frame Synchronized Input for D/A Converter Serial Data
-
TAB
G
-
Exposed pad on the bottom surface of the package should
be connected to VSS.
Notes:
* 1. When PD_SYNTH_N bit = “0”, the switch of loop filter selector is OFF. Refer to 13.7.1 CHARGE
PUMP, LOOP FILTER.
* 2. Power supply must be supplied via an inductor since this pin is open drain/corrector pin.
* 3. Internally connected to the TAB.
017003093-E-00
9
2017/3