AK1548 参数 Datasheet PDF下载

[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

RF Characteristics

Input Sensitivity

Input Frequency

-5

1000

5

8000

dBm

MHz

REFIN Characteristics

Input Sensitivity

0.4

0.4

Input Frequency

Maximum Allowable Prescaler Output

Frequency

Phase Detector

Phase Detector Frequency

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)

Regulator

VREF1 Rise Time

VREF2 Rise Time

10

10

Current Consumption

IDD1

IDD2

IDD3 (Note 4)

IDD4

16

0.8

0.55

10

26

1.6

0.9

μA

mA

mA

mA

[PDN]=“0”

[PDN]=”1”, {PD}=0, IDD for VDD1

[PDN]=”1”, {PD}=0, IDD for VDD2

[PDN]=”1”, {PD}=1, IDD for VDD1

ms

ms

Connect 470nF Capacitance at

VREF2 Pin

Connect 470nF Capacitance at

VREF2 Pin

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

104

MHz

10

VDD1

2

300

300

Vpp

Vpp

MHz

MHz

REFIN

≤200MHz

REFIN>200MHz

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

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