MC145173 查看數據表（PDF） - Motorola => Freescale
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MC145173 Datasheet PDF : 33 Pages
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DC ELECTRICAL CHARACTERISTICS (continued) (VDD = 4.5 to 5.5 V, Voltages Referenced to VSS, TA = – 40 to + 85°C)
Symbol
Parameter
ISTBY Maximum Standby Supply Current
Idd Maximum Operating Supply Current
Test Condition
Guaranteed
Limit
Unit
Vin on Din, CLK, INPUT A, INPUT
30
µA
B, INPUT C, INPUT D = VDD or
VSS; Vin on ENB = VDD; Vin on
OSCin, HF IFin, VHF IFin = VSS or
Floating (ac coupled); Vin on HFin
= VDD or VSS or Floating (ac
coupled); Vin on VHFin = Floating
(ac coupled); Dout tied to VDD or
VSS through 100 kΩ resistor; Oth-
er Outputs Open
Vin on Din, CLK, INPUT A, INPUT
12
mA
B, INPUT C, INPUT D = VDD or
VSS; Dout tied to VDD or VSS
through 100 kΩ resistor; Vin on
ENB = VDD; OSCin = 10.35 MHz
@ 1 V p–p; VHFin = 120 MHz @
210 mV p–p; VHF IFin = 10.7 MHz
@ 210 mV p–p
ANALOG CHARACTERISTICS — CURRENT SOURCE/SINK OUTPUT — VHF PDout
(Iout ≤ 2.5 mA, VDD = 4.5 to 5.5 V, Voltages Referenced to VSS)
Parameter
Test Condition
Guaranteed
Limit
Unit
Maximum Source Current Variation (Part–to–Part)
Maximum Sink–vs–Source Mismatch (Note 3)
Output Voltage Range (Note 3)
Vout = 0.5 x VDD
Vout = 0.5 x VDD
Iout variation ≤ 20%
± 20
%
12
%
1.25 to VDD – 1.25 V
V
NOTES:
1. Percentages calculated using the following formula: (Maximum Value – Minimum Value)/Maximum Value.
2. See Rx Pin Description for external resistor value.
3. This parameter is guaranteed for any specific temperature within – 40 to + 85°C.
ADC CHARACTERISTICS (TA = – 40 to 85°C, VDD = 4.5 to 5.5 V, fOSC = 9.5 to 10.4 MHz)
Resolution
Conversion Time
Parameter
Maximum Nonlinearity
Test Condition
Per Figure 1
Vin = VSS + (0.1 x VDD) to
VDD – (0.09 x VDD)
Guaranteed
Limit
6
3584
± 1.5
Unit
Bits
OSCin
Cycles
LSBs
Din
SET BIT C7 HIGH
IN C REGISTER
ENB
EOC FLIP–FLOP OUTPUT
(INTERNAL)
MC145173
4
CONVERSION TIME
Figure 1.
ADC READY TO BE
READ VIA SERIAL PORT
MOTOROLA
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