MAX2395 查看數據表（PDF） - Maxim Integrated

零件编号

产品描述 (功能)

生产厂家

MAX2395

WCDMA Quasi-Direct Modulator with VGA and PA Driver

Maxim Integrated 

WCDMA Quasi-Direct Modulator

with VGA and PA Driver

Table 4. Reference-Divider (RFR) Register

BIT NAME

RFR8 to RFR0

LD1, LD0

RCPT2, RCPT1,

RCPT0

RESERVED

RESERVED

POWER-UP STATE

001010000

00

000

1

0

BIT LOCATION (0 = LSB)

8 to 0

10, 9

13, 12, 11

14

15

FUNCTION

Reference-divider register bits

0 0 = Normal operation (lock-detect output at LD pin)

0 1 = RFM-DIV output

1 0 = RFR-DIV output

1 1 = Low logic output

RF CP test bits:

0 0 0 = Normal mode

0 0 1 = Source sink ON

0 1 1 = Sink ON

1 0 1 = Source ON

1 1 0 = Source, sink OFF

Program to 1 for normal operation

Program to 0 for normal operation

Table 5. Power-Down Modes

POWER-DOWN

MODES

COMMENTS

0

X

X

X

All OFF except serial bus and registers

OFF

SHDN mode (which retain values). A zero on the SHDN

OFF OFF OFF OFF

1

0

X

X

pin overrides the SHDN bit.

ON

1

1

0

0

1

1

0

1

All OFF except RF PLL, RF VCO, serial

ON OFF X

bus, and registers (which retain values).

IDLE mode RF PLL and RF VCO are on or off

depending on the control-bit values

before toggling the IDLE pin to zero.

ON OFF X

1

1

1

X

Power-up mode

The 5 different TX blocks can be toggled

ON/OFF using the serial bus.

ON

X

X

X OFF

X

X

X

X

10 ______________________________________________________________________________________

Share Link: