參數(shù)資料
型號(hào): MC145173
廠商: Motorola, Inc.
元件分類: 通用總線功能
英文描述: Dual-Band PLL Frequency Synthesizer with ADC and Frequency Counter
中文描述: 雙頻鎖相環(huán)頻率合成器ADC和頻率計(jì)數(shù)器
文件頁數(shù): 4/33頁
文件大?。?/td> 277K
代理商: MC145173
MC145173
4
MOTOROLA
DC ELECTRICAL CHARACTERISTICS (continued)
(VDD = 4.5 to 5.5 V, Voltages Referenced to VSS, TA = –40 to +85
°
C)
Symbol
Parameter
Test Condition
Guaranteed
Limit
Unit
ISTBY
Maximum Standby Supply Current
Vin on Din, CLK, INPUT A, INPUT
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 k
resistor; Oth-
er Outputs Open
30
μ
A
Idd
Maximum Operating Supply Current
Vin on Din, CLK, INPUT A, INPUT
B, INPUT C, INPUT D = VDD or
VSS; Dout tied to VDD or VSS
through 100 k
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
12
mA
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)
Vout = 0.5 x VDD
Vout = 0.5 x VDD
Iout variation
20%
±
20
%
Maximum Sink–vs–Source Mismatch (Note 3)
12
%
Output Voltage Range (Note 3)
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)
Parameter
Test Condition
Guaranteed
Limit
Unit
Resolution
6
Bits
Conversion Time
Per Figure 1
3584
OSCin
Cycles
Maximum Nonlinearity
Vin = VSS + (0.1 x VDD) to
VDD – (0.09 x VDD)
±
1.5
LSBs
EOC FLIP–FLOP OUTPUT
(INTERNAL)
ENB
Din
CONVERSION TIME
SET BIT C7 HIGH
IN C REGISTER
ADC READY TO BE
READ VIA SERIAL PORT
Figure 1.
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