AK1542A Datasheet, PDF (9/37 Pages) Asahi Kasei Microsystems – 20 to 600MHz Integer-N Frequency Synthesizer

[AK1542A]
3. Analog Circuit Characteristics
The resistance of 27kΩ is connected to the [BIAS] pin, VDD1=2.7 to 5.5V, VDD2=VDD1 to 5.5V, –40°C≤Ta≤85°C
Parameter
Min. Typ. Max. Unit
Remarks
Input Sensitivity
RF Characteristics
-15
+5
-5
+5
Input frequency ≥ 100MHz
dBm
20MH ≤ Input frequency < 100MHz
Input Frequency
20
600 MHz
Input Sensitivity
REFIN Characteristics
0.4
2
Vpp
Input Frequency
Maximum Allowable Prescaler Output
Frequency
5
40
75
Phase Detector
MHz
MHz
Phase Detector Frequency
3
MHz
Charge Pump
Charge Pump Maximum Value
2528
µA
Charge Pump Minimum Value
158
µA
Icp TRI-STATE Leak Current
1
nA
0.7 ≤ Vcpo ≤ VDD2-0.7
Vcpo : Voltage at [CP] pin
Mismatch between Source and Sink Currents
Note 1)
10
% Vcpo = VDD2/2, Ta=25°C
Icp vs. Vcpo Note 2)
15
% 0.5 ≤ Vcpo ≤ VDD2-0.5, Ta=25°C
Others
VREF Rise Time
50
µs
Consumption Current
IDD1
10
µA ^{[PDN1]=“Low”, [PDN2]=”Low"}
IDD2
IDD3 Note 3)
IDD4
[PDN1]=”High”,[PDN2]=”High”
1.8
2.7
mA
IDD for [PVDD]
[PDN1]=”High”,[PDN2]=”High”
0.4
0.9
mA
IDD for [CPVDD]
[PDN1]=”High”,[PDN2]=”Low”
0.5
1
mA
IDD for [PVDD]
Note 1) Mismatch between Source and Sink Currents: [(|Isink|-|Isource|)/{(|Isink|+|Isource|)/2}] × 100 [%]
Note 2) See “Fig. 4 Charge Pump Characteristics - Voltage vs. Current”: Icp vs. Vcpo:
[{1/2×(|I1|-|I2|)}/{1/2×(|I1|+|I2|)}]×100 [%]
MS1399-E-00
-9-
2012/3