ADF5902 datasheet(3/39 Pages) AD

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Data Sheet

ADF5902

Rev. 0 | Page 3 of 39

SPECIFICATIONS

AHI = TX_AHI = RF_AHI = VCO_AHI = DVDD = CP_AHI = 3.3 V ± 5%, GND = 0 V, dBm referred to 50 Ω, TA = TMAX to TMIN, unless

otherwise noted. The operating temperature range is −40°C to +105°C.

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

OPERATING CONDITIONS

RF Frequency Range

24.25

GHz

VCO CHARACTERISTICS

VTUNE

0.5

2.5

VTUNE Impedance

100

kΩ

VCO Phase Noise Performance

Closed-loop, 10 kHz loop filter

At 100 kHz Offset

−88

dBc/Hz

At 1 MHz Offset

−108

dBc/Hz

At 10 MHz Offset

−128

dBc/Hz

Amplitude Noise

−150

dBc/Hz

At 1 MHz offset

Static Pulling VCO Frequency (fVCO) Change vs.

Load

±2

MHz

Open-loop into 2:1 voltage standing wave ratio

(VSWR) load

Dynamic Pulling Transmitter On or Off Switch

Change

±10

MHz

Open-loop

Dynamic Pulling Transmitter to Transmitter

Switch Change

±5

MHz

Open-loop

Pushing fVCO Change vs. AHI Change

±5

MHz/V

Open-loop

Spurious Level Harmonics

−30

dBc

Spurious Level Nonharmonics

<−70

dBc

POWER SUPPLIES

AHI, TX_AHI, RF_AHI, VCO_AHI, DVDD, CP_AHI

3.135

3.3

3.465

Total Current (ITOTAL)1

190

Software Power-Down Mode

1.2

Hardware Power-Down Mode

200

μA

TRANSMITTER OUTPUT

Output Power

dBm

Output Impedance

On to Off Isolation

Single transmitter output switched on to off

Transmitter to Transmitter Isolation

Power-Up/Power-Down Time

200

LO OUTPUT

Output Power

−7

−1

dBm

Output Impedance

On to Off Isolation

PHASE FREQUENCY DETECTOR (PFD)

Phase Detector Frequency2

110

MHz

CHARGE PUMP

Charge Pump Current (ICP) Sink and Source

Current

Programmable

High Value

4.48

RSET = 5.1 kΩ; RSET is a resistor to ground that sets

the maximum charge pump output current

Low Value

280

μA

Absolute Accuracy

2.5

RSET = 5.1 kΩ

RSET Range

5.049

5.1

5.151

kΩ

ICP Tristate Leakage Current

Sink and source current

Sink and Source Matching

0.5 V < charge pump voltage (VCP) < CP_AHI − 0.6 V

ICP vs. VCP

0.5 V < VCP < CP_AHI − 0.6 V

ICP vs. Temperature

VCP = CP_AHI/2

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