AD6459 datasheet(2/12 Pages) AD

2 / 12 page

–2–

REV. 0

AD6459–SPECIFICATIONS

Model

AD6459ARS

Parameter

Conditions

Min

Typ

Max

Units

DYNAMIC PERFORMANCE

MIXER

Maximum RF and LO Frequency

500

MHz

AGC Conversion Gain Variation

0.2 V < VGAIN < 2.25 V

–3 to +16

Input 1 dB Compression Point

@ VGAIN = 0.2 V

–11

dBm

Input Third-Order Intercept

@ VGAIN = 0.2 V

dBm

SSB Noise Figure

@ ZS = 50 Ω, FRF = 240 MHz, FLO = 229.3 MHz at –16 dBm

Mixer Output Bandwidth at MXOP

@ –3 dB

MHz

IF AMPLIFIERS

AGC Gain Variation

0.2 V < VGAIN <2.25 V

–13 to +46

Input Referred Noise

AC Short Circuit Input

nV/

√Hz

Input Resistance

@ VGAIN = 0.2 V

Ω

Bandwidth

@ –3 dB

MHz

I AND Q DEMODULATORS

Demodulation Gain

Output Voltage Range

Differential, IRXP, IRXN, QRXP, QRXN

0.3

VP – 0.2 V

Output Voltage Common-Mode Level

(Not Power Supply Dependent)

1.5

Output Offset Voltage

Differential, VGAIN = GREF

–150

150

Error in Quadrature

Differential from I to Q, IF = 13 MHz

1.5

3.5

Degree

Amplitude Match

I to Q

0.25

I/Q Output Bandwidth

CLOAD = 10 pF

MHz

Output Resistance

Each Pin

4.7

Ω

GAIN CONTROL

Total Gain Control Range

Mixer + IF + Demod, 0.2 V < VGAIN <2.25 V

Control Voltage Range at GAIN

0.2

2.4

Gain Scaling

mV/dB

Gain Law Conformance

±0.5

Bias Current at GREF

0.5

µA

Input Resistance at GAIN

Ω

PLL

Frequency Range

MHz

Phase Noise

0.5

Degree rms

Acquisition Time

IF = 19.5 MHz, Using Suggested Filter

µs

Input Drive Level (FREF)

100

VPOS

POWER-DOWN INTERFACE

Logical Threshold

Power Up on Logical High

1.5

Input Current for Logical High

µA

Turn-On Response Time

To Fully Meet Specifications (PLL Lock)

µs

Turn-Off Response time

To 200

µA Supply Current

µs

Standby Current

µA

POWER SUPPLY

Supply Range

2.7

5.5

Supply Current

@ VGAIN = 1.2 V

OPERATING TEMPERATURE

TMIN to TMAX

Operation to 3.3 V Minimum Supply Voltage

–40

+85

°C

Operation to 2.7 V Minimum Supply Voltage

–25

+85

°C

NOTES

1Including IF noise and using suggested filter, at V

GAIN = 0.2 V.

Specifications subject to change without notice.

(@ TA = +25 C, VP = 3.0 V, GREF = 1.2 V, unless otherwise noted)

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