Datasheet > EVAL-ADF7021-VDB2Z

EVAL-ADF7021-VDB2Z

更新时间： 2022-12-16 16:06:45

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
60页	1552K
描述
HIgh Performance Narrow-Band Transceiver IC

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ADF7021-V

SPECIFICATIONS

V_DD= 2.3 V to 3.6 V, GND = 0 V, T_A= T_MINto T_MAX, unless otherwise noted. Typical specifications are at V_DD= 3 V, T_A= 25ꢀC. All

measurements are performed with the EVAL-ADF7021-VDBxZ using the PN9 data sequence, unless otherwise noted. The version

number of ETSI EN 300 200-1 is V2.3.1. LBW = loop bandwidth and IFBW = IF filter bandwidth.

RF AND PLL SPECIFICATIONS

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

RF CHARACTERISTICS

Phase Frequency Detector (PFD)

Frequency

RF/256

MHz

Maximum usable PFD at a particular RF frequency

is limited by the minimum N divider value

PHASE-LOCKED LOOP (PLL)

Normalized In-Band Phase Noise

Floor¹

PLL Settling

−203

155

dBc/Hz

μs

Measured for a 100 kHz frequency step to within

5 ppm accuracy, PFD = 19.68 MHz, LBW = 8 kHz

EXTERNAL VCO

Tuning Range

0.2

dBm

Pin L2 Input Sensitivity

REFERENCE INPUT

Crystal Reference²

External Oscillator^{2, 3}

Crystal Start-Up Time⁴

XTAL Bias = 20 μA

XTAL Bias = 35 μA

Input Level for External Oscillator

OSC1 Pin

VCO frequency < 1920 MHz

3.625

MHz

10 MHz XTAL, 33 pF load capacitors, V_DD= 3.0 V

0.930

0.438

0.8

V p-p

Clipped sine wave

OSC2 Pin

CMOS levels

ADC PARAMETERS

Integral Nonlinearity (INL)

Differential Nonlinearity (DNL)

V_DD= 2.3 V to 3.6 V, T_A= 25°C

0.4

LSB

¹This value can be used to calculate the in-band phase noise for any operating frequency. Use the following equation to calculate the in-band phase noise performance

as seen at the power amplifier (PA) output: −203 + 10 log(f_PFD) + 20 logN.

²Guaranteed by design. Sample tested to ensure compliance.

³A TCXO, VCXO, or OCXO can be used as an external oscillator.

⁴Crystal start-up time is the time from chip enable (CE) being asserted to correct clock frequency on the CLKOUT pin.

Rev. 0 | Page 4 of 60

1 2 345 6 7...60

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