MAX7057ASE+T Maxim Integrated Products, MAX7057ASE+T Datasheet
MAX7057ASE+T
Specifications of MAX7057ASE+T
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MAX7057ASE+T Summary of contents
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... Wireless Sensors Wireless Game Consoles Wireless Computer Peripherals Security Systems SPI is a trademark of Motorola, Inc. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ASK/FSK Transmitter o Programmable Frequency Operation with Single ...
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Frequency-Programmable ASK/FSK Transmitter ABSOLUTE MAXIMUM RATINGS Supply Voltage, PAVDD, AVDD, DVDD to AGND, DGND, PAGND ...................................................-0.3V to +4.0V All Other Pins..................................._GND - 0. Continuous Power Dissipation (T = +70°C) A 16-Pin SO (derate 8.7mW/°C above ...
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Frequency-Programmable AC ELECTRICAL CHARACTERISTICS ( Typical Application Circuit , 50Ω system impedance, tuned for 315MHz to 433.92MHz operation +3.6V 300MHz to 450MHz CRYSTAL = +2.7V ...
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Frequency-Programmable ASK/FSK Transmitter AC ELECTRICAL CHARACTERISTICS (continued) ( Typical Application Circuit , 50Ω system impedance, tuned for 315MHz to 433.92MHz operation +3.6V 300MHz to 450MHz CRYSTAL = ...
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Frequency-Programmable (50Ω system impedance AVDD DVDD erwise noted. Typical values are at V AVDD SUPPLY CURRENT vs. SUPPLY VOLTAGE 315MHz +85° ...
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Frequency-Programmable ASK/FSK Transmitter (50Ω system impedance AVDD DVDD erwise noted. Typical values are at V AVDD SUPPLY CURRENT AND OUTPUT POWER vs. EXTERNAL RESISTOR OUTPUT POWER 2 ...
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Frequency-Programmable (50Ω system impedance AVDD DVDD erwise noted. Typical values are at V AVDD FREQUENCY STABILITY vs. SUPPLY VOLTAGE 315MHz 433.92MHz RF -2 ...
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Frequency-Programmable ASK/FSK Transmitter PIN NAME CS 1 Serial Interface Active-Low Chip Select. Internally pulled up to DVDD. 2 SDI Serial Interface Data Input. Internally pulled down to GND. 3 SCLK Serial Interface Clock Input. Internally pulled down ...
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Frequency-Programmable nates the problems associated with crystal-pulling FSK signal generation. The multiplying factor of the PLL is set by a 16-bit number, with 4 bits for integer and 12 bits for fraction. The 12-bit fraction in the ...
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Frequency-Programmable ASK/FSK Transmitter Due to the nature of the transmit PLL frequency divider, a fixed offset of 16 must be subtracted from the trans- mit PLL divider ratio for programming the MAX7057’s transmit frequency registers. To determine ...
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Frequency-Programmable CS SCLK SDI Figure 2. SPI Format CS SCLK SDI WRITE COMMAND (0x01) Figure 3. SPI Write Command Format Depending on the command, byte 1 through byte N may assume different functions. They ...
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Frequency-Programmable ASK/FSK Transmitter CS SCLK SDI READ COMMAND (0x02) GPO Figure 4. SPI Read Command Format CS SCLK SDI READ ALL COMMAND (0x03) GPO Figure 5. SPI Read-All Command Format Using a byte descriptive notation, the read ...
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Frequency-Programmable CS SCLK SDI RESET COMMAND (0x04) Figure 6. Reset Command Format Using a byte descriptive notation, the reset command can be viewed as the following sequence, within the same CS cycle: SDI: <0x04> Features and Settings ...
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Frequency-Programmable ASK/FSK Transmitter Table 3. Register Configuration NAME ADDRESS BIT 7 CONTRL 0x00 0 CONFIG0 0x01 ckdiv[2] ckdiv[1] HIFREQ1 0x02 fhi[15] HIFREQ0 0x03 fhi[7] LOFREQ1 0x04 flo[15] LOFREQ0 0x05 flo[7] FLOAD 0x06 — DATAIN 0x07 — EN ...
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Frequency-Programmable Table 6. ckdiv[2:0] of Configuration 0 Register (Address: 0x01) DECIMAL BINARY 0 000 1 001 2 010 3 011 4-7 1XX Table 7. High-Frequency 1 Register (Address: 0x02) BIT NAME 7-0 fhi[15:8] 8-bit upper byte of ...
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Frequency-Programmable ASK/FSK Transmitter These values are internally summed with 16, and thus, the min and max divider becomes approximately 19 and 28. These limits MUST be followed, to prevent the delta-sigma number generator from overflowing. Table 12. ...
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Frequency-Programmable Table 17. Status Register (Address: 0x0C) BIT NAME 0 NoXTAL Internal Crystal Oscillator Status. High means oscillator is not in operation. 1 TxREADY Transmitter Ready Status. High means PLL is locked and MAX7057 is ready to ...
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Frequency-Programmable ASK/FSK Transmitter L1 RF OUT DESIGNATION QTY 10pF ±5%, 50V C0G ceramic capacitors (0603) C1 Murata GRM1885C1H100J 6.8pF ±5%, 50V C0G ceramic capacitor (0603 Murata GRM1885C1H6R8J 220pF ±5%, ...
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Frequency-Programmable PAGND 4 PAOUT 5 ROUT 6 Chip Information PROCESS: CMOS ______________________________________________________________________________________ ASK/FSK Transmitter SCLK SDI CS DVDD MAX7057 SERIAL INTERFACE AND DIGITAL CONTROL DELTA-SIGMA MODULATOR FREQUENCY DIVIDER PA VCO PFD ENVELOPE LOOP ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 20 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2011 Maxim Integrated Products ...