AD8347 datasheet(2/20 Pages) AD

2 / 20 page

REV. 0

–2–

AD8347–SPECIFICATIONS

Parameter

Conditions

Min

Typ

Max

Unit

OPERATING CONDITIONS

LO/RF Frequency Range

0.8

2.7

GHz

LO Input Level

–10

dBm

VGIN Input Level

0.2

1.2

VSUPPLY (VS)

2.7

5.5

Temperature Range

–40

+85

°C

RF AMPLIFIER/DEMODULATOR

From RFIP/RFIN to IMXO and QMXO

(IMXO/QMXO Load >1 k

Ω)

AGC Gain Range

69.5

Conversion Gain (Max)

VVGIN = 0.2 V (Max Gain)

39.5

Conversion Gain (Min)

VVGIN = 1.2 V (Min Gain)

–30

Gain Linearity

VVGIN = 0.3 V to 1 V

±2dB

Gain Flatness

FLO = 0.8 GHz – 2.7 GHz, FBB = 1 MHz

0.7

dB p-p

Input P1 dB

VVGIN = 0.2 V

–30

dBm

VVGIN = 1.2 V

–2

dBm

Third Order Input Intercept (IIP3)

FRF1 = 1.905 GHz,

+11.5

dBm

FRF2 = 1.906 GHz, –10 dBm Each Tone,

(Min Gain)

Second Order Input Intercept (IIP2)

FRF1 = 1.905 GHz,

+25.5

dBm

FRF2 = 1.906 GHz, –10 dBm Each Tone,

(Min Gain)

LO Leakage (RF)

At RFIP

–60

dBm

LO Leakage (MXO)

At IMXO/QMXO

–42

dBm

Demodulation Bandwidth

–3 dB

MHz

Quadrature Phase Error

FRF = 1.9 GHz

–3

±1

Degree

I/Q Amplitude Imbalance

FRF = 1.9 GHz

0.3

Noise Figure

Max Gain

Mixer AGC Output Level

See TPC 30

mV p-p

Baseband DC Offset

At IMXO/QMXO, Max Gain

(Corrected, Ref to VREF)

Mixer Output Swing

Level at which IMD3 = 45 dBc

RLOAD = 200

Ω

mV p-p

RLOAD = 1 k

Ω

mV p-p

Mixer Output Impedance

Ω

BASEBAND OUTPUT AMPLIFIER

From IAIN to IOPP/IOPN and

QAIN to QOPP/QOPN

RLOAD = 10 k

Ω

Gain

Bandwidth

–3 dB (See TPC 18)

MHz

Output DC Offset (Differential)

(VIOPP – VIOPN)

–200

±50

+200

Common-Mode Offset

(VIOPP + VIOPN)/2 – VVCMO

–40

±5

+40

Group Delay Flatness

0 MHz–50 MHz

1.8

ns p-p

Second Order Intermod. Distortion

FIN1 = 5 MHz, FIN2 = 6 MHz,

–49

dBc

VIN1 = VIN2 = 8 mV p-p

Third Order Intermod. Distortion

FIN1 = 5 MHz, FIN2 = 6 MHz,

–67

dBc

VIN1 = VIN2 = 8 mV p-p

Input Bias Current

µA

Input Impedance

1 3M

Ω pF

Output Swing Limit (Upper)

VS – 1.3

Output Swing Limit (Lower)

0.4

(VS = 5 V; TA = 25 C; FLO = 1.9 GHz; VVCMO = 1 V; FRF = 1.905 GHz; PLO = –8 dBm,

RLOAD = 10 k , dBm with respect to 50

, unless otherwise noted.)

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