AK1548 Datasheet, PDF (9/42 Pages) Asahi Kasei Microsystems – 8GHz Low Noise Integer-N Frequency Synthesizer

[AK1548]
3. Analog Circuit Characteristics
The resistance of 27kΩ is connected to the [BIAS] pin.
VDD1＝2.7V to 3.3V, VDD2=VDD1 to 5.5V,–40°C≤Ta≤85°C, unless otherwise specified.
Parameter
Min. Typ. Max. Unit
Remarks
Input Sensitivity
Input Frequency
RF Characteristics
-5
1000
5
8000
dBm
MHz
Input Sensitivity
Input Frequency
Maximum Allowable Prescaler Output
Frequency
REFIN Characteristics
0.4
VDD1 Vpp
0.4
2
Vpp
10
300 MHz
300 MHz
Phase Detector
REFIN≤200MHz
REFIN>200MHz
Phase Detector Frequency
104 MHz
Charge Pump
Charge Pump Maximum Value
Charge Pump Minimum Value
Icp TRI-STATE Leak Current
Mismatch between Source and Sink Currents
(Note 1)
Icp vs. Vcpo (Note 2)
5200
650
1
10
15
μA
μA
nA
0.7≤Vcpo≤VDD2-0.7, Ta=25°C
Vcpo : CP terminal voltage
% Vcpo=VDD2/2, Ta=25°C
% 0.5≤Vcpo≤VDD2-0.5, Ta=25°C
Regulator
VREF1 Rise Time
VREF2 Rise Time
10
10
Current Consumption
ms
Connect 470nF Capacitance at
VREF2 Pin
ms ^{Connect 470nF Capacitance at}
VREF2 Pin
IDD1
10
μA [PDN]=“0”
IDD2
16
26
mA [PDN]=”1”, {PD}=0, IDD for VDD1
IDD3 (Note 4)
0.8
1.6
mA [PDN]=”1”, {PD}=0, IDD for VDD2
IDD4
0.55 0.9
mA [PDN]=”1”, {PD}=1, IDD for VDD1
Note 1) Mismatch between Source and Sink Currents : [(|Isink|-|Isource|)/{(|Isink|+|Isource|)/2}] × 100 [%]
Note 2) See “Charge Pump Characteristics - Voltage vs. Current”. Vcpo is the output voltage at [CP].
Icp vs. Vcpo : [{1/2×(|I1|-|I2|)}/{1/2×(|I1|+|I2|)}]×100 [%]
MS1364-E-00
9
2012/1