Datasheet MAX1472 (Maxim)
| Manufacturer | Maxim |
| Description | 300MHz-to-450MHz Low-Power, Crystal-Based ASK Transmitter |
| Pages / Page | 9 / 1 — EVALUATION KIT. AVAILABLE. 300MHz-to-450MHz Low-Power,. Crystal-Based ASK … |
| File Format / Size | PDF / 169 Kb |
| Document Language | English |
EVALUATION KIT. AVAILABLE. 300MHz-to-450MHz Low-Power,. Crystal-Based ASK Transmitter. MAX1472. General Description. Features
Model Line for this Datasheet
Text Version of Document
19-2872; Rev 4; 6/12
EVALUATION KIT AVAILABLE 300MHz-to-450MHz Low-Power, Crystal-Based ASK Transmitter MAX1472 General Description Features
The MAX1472 is a crystal-referenced phase-locked o
2.1V to 3.6V Single-Supply Operation
loop (PLL) VHF/UHF transmitter designed to transmit OOK/ASK data in the 300MHz to 450MHz frequency o
Low 5.3mA Operating Supply Current*
range. The MAX1472 supports data rates up to o
Supports ASK with 90dB Modulation Depth
100kbps, and adjustable output power to more than +10dBm into a 50Ω load. The crystal-based architec- o
Output Power Adjustable to More than +10dBm
ture of the MAX1472 eliminates many of the common o
Uses Small Low-Cost Crystal
problems with SAW transmitters by providing greater modulation depth, faster frequency settling, higher o
Small 3mm 3mm 8-Pin SOT23 Package
tolerance of the transmit frequency, and reduced o
Fast-On Oscillator 220µs Startup Time
temperature dependence. Combined, these improve- ments enable better overall receiver performance when using a superheterodyne receiver such as the MAX1470 or MAX1473. The MAX1472 is available in a 3mm x 3mm 8-pin SOT23 package and is specified for the automotive (-40°C to +125°C) temperature range. An evaluation kit *At 50% duty cycle (315MHz, 2.7V supply, +10dBm output is available. Contact Maxim Integrated Products for power) more information.
Applications Ordering Information
Remote Keyless Entry
TEMP PIN- TOP PART
RF Remote Controls
RANGE PACKAGE MARK
Tire Pressure Monitoring MAX1472AKA+T -40°C to +125°C 8 SOT23 AEKS Security Systems +Denotes a lead(Pb)-free/RoHS-compliant package. Radio-Controlled Toys T = Tape and reel. Wireless Game Consoles Wireless Computer Peripherals Wireless Sensors
Typical Application Circuit Pin Configuration
* TOP VIEW
+
1 XTAL1 XTAL2 8
+
3.0V XTAL1 1 8 XTAL2 2 GND VDD 7 50Ω MAX1472 GND 2 7 VDD 220pF 680pF ANTENNA MAX1472 3 PAGND DATA 6 PAGND 3 6 DATA DATA INPUT 4 PAOUT ENABLE 5 PAOUT 4 5 ENABLE STANDBY OR POWER-UP
SOT23
*Optional power adjust resistor.
For pricing, delivery, and ordering information, please contact Maxim Direct 1 at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
EVALUATION KIT AVAILABLE 300MHz-to-450MHz Low-Power, Crystal-Based ASK Transmitter MAX1472 General Description Features
The MAX1472 is a crystal-referenced phase-locked o
2.1V to 3.6V Single-Supply Operation
loop (PLL) VHF/UHF transmitter designed to transmit OOK/ASK data in the 300MHz to 450MHz frequency o
Low 5.3mA Operating Supply Current*
range. The MAX1472 supports data rates up to o
Supports ASK with 90dB Modulation Depth
100kbps, and adjustable output power to more than +10dBm into a 50Ω load. The crystal-based architec- o
Output Power Adjustable to More than +10dBm
ture of the MAX1472 eliminates many of the common o
Uses Small Low-Cost Crystal
problems with SAW transmitters by providing greater modulation depth, faster frequency settling, higher o
Small 3mm 3mm 8-Pin SOT23 Package
tolerance of the transmit frequency, and reduced o
Fast-On Oscillator 220µs Startup Time
temperature dependence. Combined, these improve- ments enable better overall receiver performance when using a superheterodyne receiver such as the MAX1470 or MAX1473. The MAX1472 is available in a 3mm x 3mm 8-pin SOT23 package and is specified for the automotive (-40°C to +125°C) temperature range. An evaluation kit *At 50% duty cycle (315MHz, 2.7V supply, +10dBm output is available. Contact Maxim Integrated Products for power) more information.
Applications Ordering Information
Remote Keyless Entry
TEMP PIN- TOP PART
RF Remote Controls
RANGE PACKAGE MARK
Tire Pressure Monitoring MAX1472AKA+T -40°C to +125°C 8 SOT23 AEKS Security Systems +Denotes a lead(Pb)-free/RoHS-compliant package. Radio-Controlled Toys T = Tape and reel. Wireless Game Consoles Wireless Computer Peripherals Wireless Sensors
Typical Application Circuit Pin Configuration
* TOP VIEW
+
1 XTAL1 XTAL2 8
+
3.0V XTAL1 1 8 XTAL2 2 GND VDD 7 50Ω MAX1472 GND 2 7 VDD 220pF 680pF ANTENNA MAX1472 3 PAGND DATA 6 PAGND 3 6 DATA DATA INPUT 4 PAOUT ENABLE 5 PAOUT 4 5 ENABLE STANDBY OR POWER-UP
SOT23
*Optional power adjust resistor.
For pricing, delivery, and ordering information, please contact Maxim Direct 1 at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
