ML5800DM datasheet(8/25 Pages) MICRO-LINEAR

8 / 25 page

ML5800

DS5800-F-04

FINAL DATASHEET

JULY 2006

DATA

AOUT_TPC

O (Analog)

Multi-function Output. In Analog output mode

this output drives an off chip data slicer. In

Transmit power control mode this is an open

drain output, which is pulled low when the

TPC bit (R0:B7) is set to 0. Transitions on

TPC are synchronized to the falling edge of

RXON (Rx to Tx transition).

VSS

VDD

100

AOUT

TPQ

MUX

VSS

TPC

MUX

TPC

AOUT

MUX

DIN

I (CMOS)

Transmit Data Input. Drives the transmit pulse

shaping circuits. Serial digital data on this pin

becomes FSK modulation on the Transmit RF

output. The logic timing on this pin controls

data timing. Internal circuits determine the

modulation deviation. This is a standard

CMOS input referenced to VDD and VSS.

See Pin 1 below.

DOUT

O (CMOS)

Serial digital output after demodulation, chip

rate filtering and center data slicing. A CMOS

level output (VSS to VDD) with controlled slew

rates. A low drive output designed to drive a

short PCB trace and a CMOS logic input while

generating minimal RFI. The internal data

slicer is limited to 0 or 1 run lengths of less

than 3uS.

VSS

VDD

250

32 DOUT

MODE CONTROL AND INTERFACE LINES

XCEN

I (CMOS)

Transceiver enable input. Enables the

bandgap reference and voltage regulators

when high. Consumes only leakage current in

STANDBY mode when low. This is a CMOS

input, and the thresholds are referenced to

VDD and VSS.

RXON

I (CMOS)

TX/RX Control Input. Switches the transceiver

between TRANSMIT and RECEIVE modes.

Circuits are powered up and signal paths

reconfigured according to the operating mode.

This is a CMOS input, and the thresholds are

referenced to VDD and VSS.

VSS

XCEN

VDD

RXON

DIN

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