ADF7020 datasheet(6/40 Pages) AD

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ADF7020

Preliminary Technical Data

Rev. PrH | Page 6 of 40

Parameter

Min

Typ

Max

Unit

Test Conditions

PLL Settling Time

µs

Measured for a 10 MHz frequency step to

within 5 ppm accuracy,

PFD = 20 MHz, LBW = TBD

REFERENCE INPUT

Crystal Reference

3.625

MHz

External Oscillator

3.625

MHz

Load capacitance

TBD

Input Level

CMOS

levels

See the Reference Input Section

TIMING INFORMATION

Chip Enabled to Regulator Ready

TBD

µs

CREG = 100 nF

Crystal Oscillator Startup time

With 19.2 MHz XTAL

Tx to Rx Turnaround Time

350 µs +

(5 × TBIT)

Time to synchronized data, includes AGC

settling

LOGIC INPUTS

VINH, Input High Voltage

0.7 × V DD

VINL, Input Low Voltage

0.2 × V DD

IINH/IINL, Input Current

±1

µA

CIN, Input Capacitance

Control Clock Input

MHz

LOGIC OUTPUTS

VOH,Output High Voltage

DVDD −

0.4

IOH = 500 µA

VOL, Output Low Voltage

0.4

IOL = 500 µA

CLKOUT Rise/Fall

CLKOUT Load

TEMPERATURE RANGE—TA

−40

+85

°C

POWER SUPPLIES

Voltage Supply

AVDD

2.3

3.6

DVDD

AVDD

Transmit Current Consumption

FRF = 915 MHz, VDD = 3.0 V, PA is matched

in to 50 Ω

−20 dBm

TBD

−10 dBm

VCO_BIAS_SETTING = 3

0 dBm

10 dBm

Receive Current Consumption

Low Current Mode

TBD

High Sensitivity Mode

TBD

Power-Down Mode

Low Power Sleep Mode

0.1

µA

1 Higher data rates are achievable depending on local regulations.

2 For definition of frequency deviation, see the R

section.

egister 2—Transmit Modulation Register (FSK Mode)

3 For definition of GFSK frequency deviation, see the R

section.

egister 2—Transmit Modulation Register (GFSK/GOOK Mode)

4 Measured as maximum unmodulated power. Output power varies with both supply and temperature.

5 For matching details, see the LN

section.

A/PA Matching

6 See Table 5 for description of different receiver modes.

7 See Table 5 for description of different receiver modes.

8 Follow the matching and layout guidelines to achieve the relevant FCC/ETSI specifications.

9 See the

section.

Image Rejection Calibration

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