ML7344J datasheet(89/151 Pages) ETC2

89 / 151 page

FEDL7344C/E/J-04

ML7344C/E/J

89/151

■LSI adjustment items and adjustment method

●PA adjustment

ML7344E/J have output circuits for 1mW and 20mW (10mW as well) and ML7344C has output circuit for

20mW and 100mW. Output circuits can be selected by PA_MODE[1:0] ([PA_MODE: B0 0x67(5-4)]).

Output circuit

PA_MODE[1:0]

ML7344E/J

ML7344C

0b00

1mW

Not allowed

0b01

10mW

20mW

0b10

20mW

100mW

0b11

Not allowed

Output power can be adjusted by the following 3 registers.

Coarse adjustment 1 PA_REG[3:0] ([PA_MODE: B0 0x67(3-0)]) 16 resolutions

Coarse adjustment 2 PA_ ADJ[3:0] ([PA_ADJ: B0 0x69(3-0)] ) 16 resolutions

Fine adjustment

PA REG_FINE_ADJ[4:0] ([PA_REG_FINE_ADJ: B0 0x68(4-0)]) 32 resolutions

Coarse adjustment 1: PA regulator adjustment

Setting regulator voltage according to the desired output level.

However, please set PA regulator voltage to less than [VDD_PA(pin#22) – 0.3V].

PA_REG[3:0]

[PA_MODE:B0 0x67]

PA regulator

Voltage [V]

0b0000

1.20

0b0001

1.32

0b0010

1.44

0b0011

1.56

0b0100

1.68

0b0101

1.80

0b0110

1.92

0b0111

2.04

0b1000

2.16

0b1001

2.28

0b1010

2.40

0b1011

2.52

0b1100

2.64

0b1101

2.76

0b1110

2.88

0b1111

3.00

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