MAX7033 查看數據表（PDF） - Maxim Integrated
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MAX7033 Datasheet PDF : 16 Pages
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MAX7033
315MHz/433MHz ASK Superheterodyne
Receiver with AGC Lock
Electrical Characteristics (continued)
(Typical Application Circuit, VAVDD = VDVDD = 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 VAVDD = VDVDD = VDD5 = +3.3V and TA = +25°C.) (Note 1)
PARAMETER
Maximum Load Capacitance
Output High Voltage
Output Low Voltage
CRYSTAL OSCILLATOR
Crystal Frequency (Note 5)
Crystal Tolerance
Input Capacitance
SYMBOL
CLOAD
CONDITIONS
fXTAL
fRF = 433MHz
fRF = 315MHz
VXTALSEL = 0V
VXTALSEL = VDD5
VXTALSEL = 0V
VXTALSEL = VDD5
From each pin to ground
MIN TYP MAX UNITS
10
pF
VDD5
V
0
V
6.6128
13.2256
4.7547
9.5094
50
6.2
MHz
ppm
pF
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 50Ω in 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
VXTALSEL = 0V, and (fRF - 10.7MHz)/32 for XTALSEL = VDD5.
Typical Operating Characteristics
(Typical Application Circuit, VAVDD = VDVDD = VDD5 = +3.3V, fRF = 315MHz, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
6.0
5.8
5.6
+105°C
5.4
+85°C
5.2
5.0
4.8
4.6
+25°C
4.4
-40°C
4.2
4.0
3.0 3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE (V)
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
250
SUPPLY CURRENT
vs. RF FREQUENCY
+105°C
+85°C
+25°C
-40°C
300 350 400 450 500
RF FREQUENCY (MHz)
BIT-ERROR RATE
vs. AVERAGE CARRIER POWER
100
fRF = 433MHz
10
1
fRF = 315MHz
0.1
0.01
-130 -128 -126 -124 -122 -120 -118 -116 -114
AVERAGE CARRIER POWER (dBm)
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