MAX2837ETM+ Maxim Integrated Products, MAX2837ETM+ Datasheet
MAX2837ETM+
Specifications of MAX2837ETM+
Related parts for MAX2837ETM+
MAX2837ETM+ Summary of contents
Page 1
... On-Chip Digital Temperature Sensor Read-Out ♦ +2.7V to +3.6V Transceiver Supply ♦ Low-Power Shutdown Current Applications ♦ Small 48-Pin Thin QFN Package (6mm x 6mm x 0.8mm) PART MAX2837ETM+ Exposed paddle. + Denotes a lead-free package. Pin Configuration appears at end of data sheet. Features Ordering Information PIN- ...
Page 2
Wireless Broadband RF Transceiver ABSOLUTE MAXIMUM RATINGS CCLNA CCTXMX CCTXPAD CCDIG and V CCVCO CCRXVGA CCRXFL CCRXMX GND...................................................................-0.3V to +3.9V B1–B7, TXRF_, CS, ...
Page 3
DC ELECTRICAL CHARACTERISTICS (continued) = 2.7V to 3.6V, Rx set to the maximum gain high, RXHP = SCLK = DIN = low, RSSI and clock output (MAX2837 evaluation kit: V CC_ buffer are off, no signal at RF ...
Page 4
Wireless Broadband RF Transceiver AC ELECTRICAL CHARACTERISTICS—Rx MODE (continued) MAX2837 evaluation kit 2.8V 40MHz, ENABLE = RXENABLE = CS = high, TXENABLE = SCLK = DIN = low, with power matching ...
Page 5
AC ELECTRICAL CHARACTERISTICS—Rx MODE (continued) MAX2837 evaluation kit 2.8V 40MHz, ENABLE = RXENABLE = CS = high, TXENABLE = SCLK = DIN = low, with power matching for the differential RF (-21dBV), f REF ...
Page 6
Wireless Broadband RF Transceiver AC ELECTRICAL CHARACTERISTICS—Tx MODE (MAX2837 evaluation kit 2.8V, T CC_ and RXENABLE = SCLK = DIN = low, with power matching for the differential RF pins using the Typical Operating Circuit ...
Page 7
AC ELECTRICAL CHARACTERISTICS—FREQUENCY SYNTHESIS (MAX2837 evaluation kit 2.8V, f CC_ 120kHz +25°C, unless otherwise noted.) (Note 1) A PARAMETER FREQUENCY SYNTHESIZER RF Channel Center Frequency Channel Center Frequency Programming Minimum Step Size Charge-Pump Comparison Frequency Reference ...
Page 8
Wireless Broadband RF Transceiver AC ELECTRICAL CHARACTERISTICS—MISCELLANEOUS BLOCKS (MAX2837 evaluation kit 2.8V, f CC_ REF (Note 1) PARAMETER PA BIAS DAC: CURRENT MODE Numbers of Bits Minimum Output Sink Current D5:D0 = 000000 in A4:A0 ...
Page 9
AC ELECTRICAL CHARACTERISTICS—TIMING (continued) (MAX2837 evaluation kit 2.8V, f CC_ 120kHz +25°C, unless otherwise noted.) (Note 1) A PARAMETER SYMBOL Tx Turn-Off Time (to Standby Mode) Rx Turn-On Time (from Standby Mode) Rx Turn-Off Time (to ...
Page 10
Wireless Broadband RF Transceiver (MAX2837 evaluation kit 2.8V, f CC_ CS = high, RXHP = SCLK = DIN = low CURRENT vs. SUPPLY VOLTAGE +85° ...
Page 11
V = 2.8V, f CC_ CS = high, RXHP = SCLK = DIN = low INPUT RETURN LOSS vs. RF FREQUENCY 0 LNA = MAX - 32dB -10 -20 LNA = MAX - 8dB, LNA ...
Page 12
Wireless Broadband RF Transceiver (MAX2837 evaluation kit 2.8V, f CC_ CS = high, RXHP = SCLK = DIN = low OUTPUT POWER vs. TEMPERATURE 0 Tx VGA SET TO MAX - 3dB ...
Page 13
Wireless Broadband RF Transceiver Block Diagram/Typical Operating Circuit CCRXLNA 1 GNDRXLNA MAX2837 RXRF+ 4 RXRF Rx/Tx GAIN 6 IMUX QMUX CONTROL V CCTXPAD Rx/Tx ...
Page 14
Wireless Broadband RF Transceiver PIN NAME 1 V LNA Supply Voltage. Bypass with a capacitor as close as possible to the pin. CCRXLNA 2 GNDRXLNA LNA Ground 3 B5 Receiver and Transmitter Gain-Control Logic Input Bit 5 ...
Page 15
PIN NAME 42 TXBBI- Transmitter Baseband I-Channel Differential Inputs 43 TXBBI+ 44 TXBBQ+ Transmitter Baseband Q-Channel Differential Inputs 45 TXBBQ Receiver Downconverters Supply Voltage. Bypass with a capacitor as close as possible to the pin. CCRXMX 47 TXENABLE ...
Page 16
Wireless Broadband RF Transceiver DOUT BIT 1 DIN SCLK CSO CSS DOUT BIT 1 DIN SCLK CS Figure 1. 4-Wire SPI Serial-Interface Timing Diagram delay using the on-chip PA bias DAC. The slow-charg- ing ...
Page 17
Pin Configuration TOP VIEW RXBBI RXBBI CCRXVGA 40 RXHP V 41 CCRXFL TXBBI- 42 MAX2837 43 TXBBI+ 44 TXBBQ+ 45 TXBBQ CCRXMX ...
Page 18
... 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. 18 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2008 Maxim Integrated Products DESCRIPTION is a registered trademark of Maxim Integrated Products, Inc ...