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MAX2411AE/D

Low-Cost RF Up/Downconverter with LNA and PA Driver

Maxim Integrated 

Low-Cost RF Up/Downconverter

with LNA and PA Driver

AC ELECTRICAL CHARACTERISTICS (continued)

(MAX2411A EV kit, VCC = +3.0V, VGC = +2.15V, RXEN = TXEN = low, all measurements performed in 50Ω environment,

fLO = 1.5GHz, PLO = -10dBm, fLNAIN = fPADRIN = fRXMXIN = 1.9GHz, PLNAIN = -32dBm, PPADRIN = PRXMXIN = -22dBm,

fIF, IF = 400MHz, PIF = -32dBm (Note 1), all impedance measurements made directly to pin (no matching network), TA = +25°C,

unless otherwise noted.)

PARAMETER

CONDITIONS

TRANSMIT MIXER (TXEN = high)

Conversion Gain (Note 1)

TA = +25°C

TA = TMIN to TMAX

Output IP3

(Notes 1, 7)

Output 1dB Compression Point

LO Leakage

Noise Figure

Single sideband

IF Frequency

(Notes 2, 5)

Intermod Spurious Response

(Note 8)

FOUT = 2LO-2IF = 2.2GHz

FOUT = 2LO-3IF = 1.8GHz

FOUT = 3LO-6IF = 2.1GHz

PA DRIVER (TXEN = high)

Gain (Note 2)

TA = +25°C

TA = TMIN to TMAX

Output IP3

(Note 4)

Output 1dB Compression Point

Gain-Control Range

Gain-Control Sensitivity

(Note 9)

LOCAL-OSCILLATOR INPUTS (RXEN = TXEN = high)

Input Relative VSWR

Receive mode (TXEN = low)

Transmit mode (RXEN = low)

POWER MANAGEMENT (RXEN = TXEN = low)

Receiver Turn-On Time (Notes 2, 10)

RXEN = low to high

Transmitter Turn-On Time (Notes 2, 11) TXEN = low to high

MIN TYP MAX UNITS

6.8

8.5

9.3

dB

5.7

10.4

0.5

dBm

-11.1

dBm

-58

dBm

8.3

dB

450 MHz

-45.5

-70

dBc

-90

13

15

16.4

dB

12.3

17

18

dBm

6.3

dBm

35

dB

12

dB/V

1.10

1.02

0.5

2.5

µs

0.3

2.5

µs

Note 1: Power delivered to IF SMA connector of MAX2411A EV kit. Power delivered to MAX2411A IC is approximately 1.0dB less

due to balun losses.

Note 2: Guaranteed by design and characterization.

Note 3: Two tones at 1.9GHz and 1.901GHz at -32dBm per tone.

Note 4: Two tones at 1.9GHz and 1.901GHz at -22dBm per tone.

Note 5: Mixer operation guaranteed to this frequency. For optimum gain, adjust output match. See the Typical Operating

Characteristics for graphs of IF port impedance versus IF frequency.

Note 6: At this LO drive level, the mixer conversion gain is typically 1dB lower than with -10dBm LO drive.

Note 7: Two tones at 400MHz and 401MHz at -32dBm per tone.

Note 8: Transmit mixer output at -17dBm.

Note 9: Calculated from measurements taken at VGC = 1.0V and VGC = 1.5V.

Note 10: Time from RXEN = low to RXEN = high transition until the combined receive gain is within 1dB of its final value. Measured

with 47pF blocking capacitors on LNAIN and LNAOUT.

Note 11: Time from TXEN = low to TXEN = high transition until the combined transmit gain is within 1dB of its final value. Measured

with 47pF blocking capacitors on PADRIN and PADROUT.

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