T2801-PLQ

T2801-PLQ Datasheet


The T2801 is an RF IC for low-power DECT applications. The QFN48 packaged IC is a complete transceiver including image rejection mixer, IF amplifier, FM demodulator, baseband filter, RSSI, TX preamplifier, power-ramping generator for power amplifiers, integrated synthesizer, fully integrated VCO, TX filter and modulation compensation circuit for advanced closed-loop modulation concept. No mechanical tuning is necessary in production.

Part Datasheet
T2801-PLQ T2801-PLQ T2801-PLQ (pdf)
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• Supply Voltage Range 3V to 4.6V Unregulated
• Auxiliary Voltage Regulator On-chip
• Low Current Consumption
• Few Low Cost External Components
• No Mechanical Tuning Required
• Non-blindslot and Blindslot Operation
• Unlimited Multislot Operation with Advanced Closed-loop Modulation
• Supports Multiple Reference Clocks MHz/13.824 MHz/20.736 MHz
• TX Preamplifier with 0 dBm Output Power at GHz and Ramp-signal Generator for

SiGe Power Amplifier

DECT Single-chip Transceiver

The T2801 is an RF IC for low-power DECT applications. The QFN48 packaged IC is a complete transceiver including image rejection mixer, IF amplifier, FM demodulator, baseband filter, RSSI, TX preamplifier, power-ramping generator for power amplifiers, integrated synthesizer, fully integrated VCO, TX filter and modulation compensation circuit for advanced closed-loop modulation concept. No mechanical tuning is necessary in production.

Figure Block Diagram

MIXER OUT IF_IN

IF_TANK

DEMOD

TANK

IR MIXER

IF AMP 1

IF AMP 2

RF_IN

RAMP_OUT RAMP_SET

RAMP GEN

RSSI

DEMOD BB FILTER

D/A DEMOD DAC

TX / RX SWITCH

BB_OUT RSSI TX_DATA

TX_OUT

TX DRIVER

PU_VCO

VCO REG

CP AUX REG

MCC 3-WIRE BUS

CTRL LOGIC

CLOCK DATA ENABLE

RX_ON TX_ON PU_RX/TX PU_PLL

T2801

VREG_VCO

VS_VCO

VREG VS_REG VTUNE

GND_VCO PU_REG REG_CTRL

I_CPSW

REF_CLK

Table Functional Block Description

Name

AUX REG

Auxiliary voltage regulator

Baseband filter
Ordering Information

Extended Type Number T2801-PLQ

Package Information

Package QFN48

Package QFN 48 - 7 x 7 Exposed pad x acc. JEDEC OUTLINE No. MO-220 Dimensions in mm

Remarks Taped and reeled
37 36
technical drawings according to DIN specifications

Drawing-No. Issue 3;
10:1
25 24
12 13
30 T2801

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Datasheet ID: T2801-PLQ 519394