LTC4400-2EMS8 Linear Technology, LTC4400-2EMS8 Datasheet - Page 16

• Manufacturer Part Number: LTC4400-2EMS8
• Description: IC RF PWR CNTRL 800MHZ-2GHZ8MSOP
• Manufacturer: Linear Technology

Specifications of LTC4400-2EMS8

• Rf Type: Cellular, GSM, GPRS, PCS, Wireless Modem, TDMA
• Frequency: 300MHz ~ 2GHz
• Features: Dual Output
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC4400-1/LTC4400-2
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LT
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16
TYPICAL
®
5500
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
APPLICATION
DESCRIPTION
Regulated Inductorless Voltage Inverter
Li-Ion Linear Charger
ThinSOT Li-Ion Battery Charger
ThinSOT Charge Pump
RF Power Controller
RF Power Controller
RF Power Controller
Li-Ion Pulse Charger
SOT-23 RF PA Controller
1.8GHz to 2.7GHz Receiver Front End
400MHz Quadrature IF Demodulator with
RSSI
1.2GHz to 2.7GHz Direct IQ Modulator with
Mixer
800MHz to 2.7GHz RF Measuring Receiver
300MHz to 3.5GHz RF Power Detector
100kHz to 1GHz RF Power Detector
300MHz to 7GHz RF Power Detector
High Signal Level Up Converting Mixer
High Signal Level Down Converting Mixer
V
IN
0.1 F
Li-Ion
68
SHDN
BSEL
U
LTC4400-2 Dual Band Cellular Telephone Transmitter
V
SHDN
BSEL
GND
CC
www.linear.com
LTC4400-2
DAC
PCTL
V
V
PCA
PCB
RF
900MHz
1.8GHz/
COMMENTS
Regulated –5V from 3V, REG Pin Indicates Regulation, Up to 15mA, Micropower
Complete Linear Charger for 1- and 2-Cell Li-Ion Battery
Only Two External Components, No Reverse Current Protection Diode Required,
No Sense Resistor Required, PROG Voltage for Charge Termination
2V V
Single/Dual Band GSM/DCS/GPRS Mobile Phones
Single/Dual Band GSM/DCS/GPRS Mobile Phones
Single/Dual Band GSM/DCS/GPRS Mobile Phones
Complete Pulse Charger for 1-Cell Li-Ion Battery
Multiband GSM/DCS/GPRS Phones, 45dB Dynamic Range, 250kHz Loop BW
Dual LNA Gain Setting +13.5dB/–14dB at 2.5GHz, Double-Balanced Mixer,
1.8V V
70MHz to 400MHz IF, 1.8V V
90dB RSSI Range
Direct IQ Modulator with Integrated 90 Phase Shifter, 4-Step RF Power Control,
1.8V V
80dB Dynamic Range, Temperature Compensated, 2.7V to 5.5V Supply
>40dB Dynamic Range, Temperature Compensated, 2.7V to 6V Supply
40dB Dynamic Range, Temperature Compensated, 2.7V to 6V Supply
40dB Dynamic Range, 2.7V to 6V Supply, SC70 Package
RF Output to 3GHz, 17dBm IIP3, Integrated LO Buffer
DC-3GHz RF Input, 20dBm IIP3, Integrated LO Buffer
1.9GHz
33pF
IN
SUPPLY
SUPPLY
4V, I
RF PA
RF PA
OUT
5.25V
5.25V
= 40mA, No Inductors for White LED Backlight
DIRECTIONAL
SUPPLY
COUPLER
5.25V, 84dBm Limiting Gain,
50
DIPLEXER
LT/TP 0403 1K REV A • PRINTED IN THE USA
LINEAR TECHNOLOGY CORPORATION 2001
4400 TA03
sn4400 4400fas