ADRF6820ACPZ-R7 datasheet(9/45 Pages) AD

9 / 45 page

Data Sheet

ADRF6820

Rev. C | Page 9 of 45

TYPICAL PERFORMANCE CHARACTERISTICS

VPOS_5V = 5 V, VPOS_3P3 = 3.3 V, RFDSA_SEL = 0, RFSW = 0 (RFIN0), high-side LO, −5 dB per tone for two-tone measurement with

5 MHz tone spacing, unless otherwise noted. For BWSEL0, fIF = 40 MHz, and for BWSEL2, fIF = 200 MHz. For BAL_CIN, BAL_COUT,

MIX_BIAS, DEMOD_RDAC, and DEMOD_CDAC, refer to Table 16.

–8

–6

–4

–2

640

1140

1640

2140

2640

RF FREQUENCY (MHz)

BWSEL = 0

BWSEL = 2

TA = –40°C

TA = +25°C

TA = +85°C

EXTERNAL LO

INTERNAL LO

Figure 4. Voltage Conversion Gain vs. RF Frequency over Temperature

600

800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800

LO FREQUENCY (MHz)

BWSEL = 0

IIP2

IIP3

–40°C

+25°C

+85°C

Figure 5. Input IP3 (IIP3) and Input IP2 (IIP2) vs. LO Frequency over

Temperature, BWSEL = 0

500

750

1000

1250

1500

1750

2000

2250

2500

2750

LO FREQUENCY (MHz)

EXTERNAL 2× LO NF

EXTERNAL LO NF

INTERNAL LO NF

TA = –40°C

TA = +25°C

TA = +85°C

Figure 6. Noise Figure vs. LO Frequency, BWSEL = 0

640

1140

1640

2140

2640

LO FREQUENCY (MHz)

BWSEL = 2

BWSEL = 0

TA = –40°C

TA = +25°C

TA = +85°C

EXTERNAL LO

INTERNAL LO

Figure 7. Input P1dB vs. LO Frequency

800

1000 1200 1400 1600 1800 2000 2200 2400 2600 2800

LO FREQUENCY (MHz)

BWSEL = 2

–40°C

+25°C

+85°C

IIP2

IIP3

Figure 8. Input IP3 (IIP3) and Input IP2 (IIP2) vs. LO Frequency over

Temperature, BWSEL = 2

500

750

1000

1250

1500

1750

2000

2250

2500

2750

LO FREQUENCY (MHz)

TA = –40°C

TA = +25°C

TA = +85°C

EXTERNAL 2× LO NF

EXTERNAL LO NF

INTERNAL LO NF

Figure 9. Noise Figure vs. LO Frequency, BWSEL = 2

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