Datasheet MAX1472 (Maxim) - 4

300MHz-to-450MHz Low-Power, Crystal-Based ASK Transmitter Typical Operating Characteristics
(Typical Application Circuit, VDD = 2.7V, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY CURRENT vs. SUPPLY VOLTAGE
13 1.9 13 VENABLE = VIH, VENABLE = VIH, +125°C VENABLE = VIH, 12 VDATA = VIH, V 12 +25°C 1.8 DATA = VIL, VDATA = VIH, f MAX1472 toc01 RF = 315MHz f MAX1472 toc02 RF = 315MHz MAX1472 toc03 f
MAX1472
RF = 433MHz 11 1.7 11 +85°C -40°C -40°C 10 1.6 10 +25°C +125°C 9 1.5 9 +85°C +85°C 8 1.4 8 +125°C SUPPLY CURRENT (mA) SUPPLY CURRENT (mA) -40°C SUPPLY CURRENT (mA) 7 1.3 7 +25°C 6 1.2 6 5 1.1 5 2.0 2.4 2.8 3.2 3.6 2.0 2.4 2.8 3.2 3.6 2.0 2.4 2.8 3.2 3.6 SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V)
SUPPLY CURRENT vs. SUPPLY VOLTAGE OUTPUT POWER vs. SUPPLY VOLTAGE OUTPUT POWER vs. SUPPLY VOLTAGE
2.2 14 14 +125 V °C ENABLE = VIH, VENABLE = VIH, VENABLE = VIH, VDATA = VIL, 13 VDATA = VIH, 13 VDATA = VIH, f -25°C MAX1472 toc04 2.0 RF = 433MHz +85°C f f MAX1472 toc05 RF = 315MHz MAX1472 toc06 RF = 433MHz +25°C 12 12 11 -40°C 11 1.8 -40°C 10 +125°C 10 +125°C 9 1.6 -40°C +85°C 9 8 +85°C SUPPLY CURRENT (mA) OUTPUT POWER (dBm) OUTPUT POWER (dBm) +25°C 8 1.4 7 6 7 1.2 5 6 2.0 2.4 2.8 3.2 3.6 2.0 2.4 2.8 3.2 3.6 2.0 2.4 2.8 3.2 3.6 SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V)
REFERENCE SPUR MAGNITUDE FREQUENCY STABILITY TRANSMIT POWER EFFICIENCY vs. SUPPLY VOLTAGE vs. SUPPLY VOLTAGE vs. SUPPLY VOLTAGE
-65 2 55 -67 1 50 -40°C MAX1472 toc07 -69 MAX1472 toc08 MAX1472 toc09 -71 +25°C 0 45 -73 -75 315MHz -1 315MHz 40 433MHz -77 EFFICIENCY (%) -2 35 REFERENCE SPUR (dBc) -79 433MHz OFFSET FREQUENCY (ppm) +125°C +85°C -81 -3 30 -83 CW OUTPUT fRF = 315MHz -85 -4 25 2.0 2.4 2.8 3.2 3.6 2.0 2.4 2.8 3.2 3.6 2.0 2.4 2.8 3.2 3.6 SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V)
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