MAX7033EUI ,315MHz/433MHz ASK Superheterodyne Receiver with AGC LockApplications Ordering InformationAutomotive Remote Home AutomationPART TEMP RANGE PIN-PACKAGEKeyles ..
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MAX703CPA ,Low-Cost レP Supervisory Circuits with Battery BackupELECTRICAL CHARACTERISTICS
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MAX703
MAX704 ..
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MB4072PF ,1 channel 8-bit D/A converterBLOCK DIAGRAMMSB LSBV+ VLC B1 B2 B3 B4 B5 B6 B7 B813 1 5 6 7 8 9 10 11 12INTERFACE LEVEL CONTROL CI ..
MAX7033EUI
315MHz/433MHz ASK Superheterodyne Receiver with AGC Lock
General DescriptionThe MAX7033 fully integrated low-power CMOS super-
heterodyne receiver is ideal for receiving amplitude-
shift-keyed (ASK) data in the 300MHz to 450MHz
frequency range. The receiver has an RF input signal
range of -114dBm to 0dBm. With few external compo-
nents and a low-current power-down mode, it is ideal
for cost-sensitive and power-sensitive applications typi-
cal in the automotive and consumer markets. The
MAX7033 consists of a low-noise amplifier (LNA), a fully
differential image-rejection mixer, an on-chip phase-
locked loop (PLL) with integrated voltage-controlled
oscillator (VCO), a 10.7MHz IF limiting amplifier stage
with received-signal-strength indicator (RSSI), and ana-
log baseband data-recovery circuitry. The MAX7033
also has a discrete one-step automatic gain control
(AGC) that reduces the LNA gain by 35dB when the RF
input signal exceeds -62dBm. The AGC circuitry offers
an externally controlled hold feature.
The MAX7033 is available in a 28-pin TSSOP package
and is specified over the extended (-40°C to +105°C)
temperature range.
FeaturesOptimized for 315MHz or 433MHz BandOperates from Single +3.3V or +5.0V SuppliesHigh Dynamic Range with On-Chip AGCAGC Hold Circuit1ms AGC Release TimeSelectable Image-Rejection Center FrequencySelectable x64 or x32 fLO/fXTALRatioLow 5.2mA Operating Supply Current<3.5µA Low-Current Power-Down Mode for
Efficient Power Cycling250µs Startup TimeBuilt-In 44dB RF Image RejectionBetter than -114dBm Receive Sensitivity-40°C to +105°C Operation
MAX7033
315MHz/433MHz ASK Superheterodyne
Receiver with AGC Lock
Pin Configurations
Ordering Information19-3273; Rev 1; 7/04
*Future product—contact factory for availability.
**EP = Exposed paddle.
Typical Application Circuit appears at end of data sheet.
MAX7033
315MHz/433MHz ASK Superheterodyne
Receiver with AGC Lock
ABSOLUTE MAXIMUM RATINGS
DC ELECTRICAL CHARACTERISTICS (+3.3V OPERATION)
(Typical Application Circuit, AVDD= DVDD= VDD5= +3.0V to +3.6V, no RF signal applied, TA= -40°C to +105°C, unless otherwise
noted. Typical values are at AVDD= DVDD= VDD5= +3.3V and TA= +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VDD5to AGND.......................................................-0.3V to +6.0V
AVDDto AGND......................................................-0.3V to +4.0V
DVDDto DGND......................................................-0.3V to +4.0V
AGND to DGND.....................................................-0.1V to +0.1V
IRSEL, DATAOUT, XTALSEL,
AC, SHDNto AGND.............................-0.3V to (VDD5+ 0.3V)
All Other Pins to AGND............................-0.3V to (DVDD+ 0.3V)
Continuous Power Dissipation (TA= +70°C)
28-Pin TSSOP (derate 12.8mW/°C above +70°C)..1025.6mW
32-Thin QFN (derate 21.3mW/°C above +70°C)....1702.1mW
Operating Temperature Range.........................-40°C to +105°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-60°C to +150°C
Lead Temperature (soldering 10s)..................................+300°C
DC ELECTRICAL CHARACTERISTICS (+5.0V OPERATION)
(Typical Application Circuit, VDD5= +4.5V to +5.5V, no RF signal applied, TA= -40°C to +105°C, unless otherwise noted. Typical val-
MAX7033
315MHz/433MHz ASK Superheterodyne
Receiver with AGC Lock
DC ELECTRICAL CHARACTERISTICS (+5.0V OPERATION) (continued)
(Typical Application Circuit, VDD5= +4.5V to +5.5V, no RF signal applied, TA= -40°C to +105°C, unless otherwise noted. Typical val-
AC ELECTRICAL CHARACTERISTICS
(Typical Application Circuit, AVDD= DVDD= VDD5= +3.0V to +3.6V, all RF inputs are referenced to 50Ω, fRF= 315MHz, TA= -40°C
to +105°C, unless otherwise noted. Typical values are at AVDD= DVDD= VDD5= +3.3V and TA= +25°C.) (Note 1)
MAX7033
315MHz/433MHz ASK Superheterodyne
Receiver with AGC Lock
AC ELECTRICAL CHARACTERISTICS (continued)
(Typical Application Circuit, AVDD= DVDD= VDD5= +3.0V to +3.6V, all RF inputs are referenced to 50Ω, fRF= 315MHz, TA= -40°C
to +105°C, unless otherwise noted. Typical values are at AVDD= DVDD= VDD5= +3.3V and TA= +25°C.) (Note 1)
MAX7033
315MHz/433MHz ASK Superheterodyne
Receiver with AGC Lock
Note 1:100% tested at TA= +25°C. Guaranteed by design and characterization over temperature.
Note 2:IRSEL is internally set to 375MHz IR mode. It can be left open when the 375MHz image-rejection setting is desired. Bypass
to AGND with a 1nF capacitor in a noisy environment.
Note 3:BER = 2 x 10-3, Manchester encoded, data rate = 4kbps, IF bandwidth = 280kHz.
Note 4:Input impedance is measured at the LNAIN pin. Note that the impedance includes the 15nH inductive degeneration con-
nected from the LNA source to ground. The equivalent input circuit is 50Ωin series with 2.2pF.
Note 5:Crystal oscillator frequency for other RF carrier frequency within the 300MHz to 450MHz range is (fRF- 10.7MHz) / 64 for
XTALSEL = 0V, and (fRF- 10.7MHz) / 32 for XTALSEL = VDD5.
AC ELECTRICAL CHARACTERISTICS (continued)
(Typical Application Circuit, AVDD= DVDD= VDD5= +3.0V to +3.6V, all RF inputs are referenced to 50Ω, fRF= 315MHz, TA= -40°C
to +105°C, unless otherwise noted. Typical values are at AVDD= DVDD= VDD5= +3.3V and TA= +25°C.) (Note 1)
Typical Operating Characteristics
(Typical Application Circuit , AVDD= DVDD= VDD5= +3.3V, fRF= 315MHz, TA= +25°C, unless otherwise noted.)
