ADRF6750ACPZ-R7 datasheet(3/40 Pages) AD

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ADRF6750

Rev. A | Page 3 of

SPECIFICATIONS

VCC = 5 V, TA = 25°C, I/Q inputs = 0.9 V p-p differential sine waves in quadrature on a 500 mV dc bias, baseband frequency = 1 MHz,

REFIN = 10 MHz, PFD = 20 MHz, loop bandwidth = 50 kHz, and LOMONx is off, unless otherwise noted.

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

RF OUTPUT

RFOUT pin

Operating Frequency Range

950

1575

MHz

Nominal Output Power

VIQ = 0.9 V p-p differential

−1.6

dBm

Gain Flatness

Any 40 MHz

±0.5

Output P1dB

8.5

dBm

Output IP3

f1BB = 3.5 MHz, f2BB = 4.5 MHz, POUT = −6 dBm per tone

dBm

Output Return Loss

Attenuator setting = 0 dB

−12

LO Carrier Feedthrough

Attenuator setting = 0 dB to 47 dB

−45

dBc

2× LO Carrier Feedthrough

Attenuator setting = 0 dB to 47 dB

−45

dBm

Sideband Suppression

−45

dBc

Noise Floor

I/Q inputs = 0 V p-p differential, Attenuator setting = 0 dB

−162

dBm/Hz

Attenuator setting = 0 dB to 21 dB, carrier offset = 15 MHz

−147

dBc/Hz

Attenuator setting = 21 dB to 47 dB, carrier offset = 15 MHz

−170

dBm/Hz

Harmonics

−60

dBc

REFERENCE CHARACTERISTICS

REFIN pin

Input Frequency

With R/2 divider enabled

300

MHz

With R/2 divider disabled

165

MHz

Input Sensitivity

AC-coupled

0.4

VREG

V p-p

Input Capacitance

Input Current

±100

μA

CHARGE PUMP

ICP Sink/Source

Programmable

High Value

With RSET = 4.7 kΩ

Low Value

312.5

μA

Absolute Accuracy

With RSET = 4.7 kΩ

4.0

RSET Value

4.7

kΩ

VCO Gain

KVCO

MHz/V

SYNTHESIZER SPECIFICATIONS

Frequency Resolution

Spurs

Integer boundary < loop bandwidth

−55

dBc

>10 MHz offset from carrier

−85

dBc

Phase Noise1

Frequency = 950 MHz to 1575 MHz

100 Hz offset

−80

dBc/Hz

1 kHz offset

−88

dBc/Hz

10 kHz offset

−93

dBc/Hz

100 kHz offset

−107

dBc/Hz

1 MHz offset

−133

dBc/Hz

>15 MHz offset

−152

dBc/Hz

Integrated Phase Noise1

1 kHz to 8 MHz integration bandwidth

0.4

°rms

Frequency Settling1

Maximum frequency error = 100 Hz

170

μs

Maximum Frequency Step for

No Autocalibration

Frequency step with no autocalibration routine;

100

kHz

Phase Detector Frequency

MHz

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