ADF5612CCCZ datasheet(5/48 Pages) AD

5 / 48 page

Data Sheet

ADF5612

SPECIFICATIONS

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Rev. 0 | 5 of 48

Table 1. Specifications (Continued)

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

VDD3

Divide by 1

Divide by 2

Divide by 4

Divide by 8

Divide by 16

Divide by 32

Divide by 64

Divide by 128

VCOVCC

5.0V

Power-Down

PLL4

2.3

µA

Power down via the SPI and the PD_RDIV,

PD_NDIV, PD_LD, PD_PFDCP, and PD_PFDNCLK

bits, see Table 56 and Table 57

VCOVCC5

Power down via the SPI and the PD_VCO and

PD_ADC bits, see Table 56

Divider5

202

μA

Power down via the SPI and the PD_ODIV bit, see

Table 57

VCO OPEN-LOOP PHASE NOISE

RFOUT at 7.3GHz

10kHz Offset

−92

dBc/Hz

100kHz Offset

−115

dBc/Hz

1MHz Offset

−135

dBc/Hz

10MHz Offset

−155

dBc/Hz

100MHz Offset

−168

dBc/Hz

PLL

Integer Boundary Spurs

−55

dBc

LOCKED bit = 1, fREF = fPFD = 100MHz, RDIV = 1, see

Figure 29

Phase Frequency Detector (PFD)

Spurs

−105

dBc

LOCKED bit = 1, fREF = 200MHz, fPFD = 100MHz,

RDIV = 2, see Figure 30

Reference Spurs

−100

dBc

LOCKED bit = 1, fREF = fPFD = 100MHz, RDIV = 1, see

Figure 31

Normalized Inband Phase Noise

Floor Figure of Merit (FOM)

LNORM

Normalized to 1Hz

Floor Integer Mode

LNORM_INT

−232

dBc/Hz

Floor Fractional Mode

LNORM_FRAC

−229

dBc/Hz

Normalized 1/f Phase Noise Floor

(Integer and Fractional Mode)

L1/f

−268

dBc/Hz

Integrated RMS Jitter

<40

Integration bandwidth from 1kHz to 100MHz

VCO CHARACTERISTICS

Tuning Sensitivity (RFOUT)

KVCO

95 to 125

MHz/V

7300MHz to 8500MHz

Tune Port Capacitance

155

Auto Calibration Time

100

μs

Refer to the Total Autocalibration Time section

VCO OUTPUT DIVIDER

VCO RF Divider Range

128

1, 2, 4, 6, 8, 16, 32, 64, or 128

VCO Supply Pushing (VCOVCC)1

0.7

MHz/V

PDIV_OUT and NDIV_OUT, divide by 1, VT = 1.65V

VCO Supply Pushing (VDD1)5

MHz/V

PDIV_OUT and NDIV_OUT, divide by 1, VT = 1.65V

Divided Reference Clock

(DIV_RCLK) VCO Calibration

Frequency

MHz

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