PDF MAX2045 Data sheet ( Hoja de datos )

Número de pieza	MAX2045
Descripción	(MAX2045 - MAX2047) High-Gain Vector Multipliers
Fabricantes	Maxim Integrated Products
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No Preview Available ! 19-2728; Rev 0; 1/03 High-Gain Vector Multipliers General Description The MAX2045/MAX2046/MAX2047 low-cost, fully inte- grated vector multipliers alter the magnitude and phase of an RF signal. Each device is optimized for the UMTS (MAX2045), DCS/PCS (MAX2046), or cellular/GSM (MAX2047) frequency bands. These devices feature differential RF inputs and outputs. The MAX2045/MAX2046/MAX2047 provide vector adjustment through the differential I/Q amplifiers. The I/Q amplifiers can interface with voltage and/or current digital-to-analog converters (DACs). The voltage inputs are designed to interface to a voltage-mode DAC, while the current inputs are designed to interface to a current- mode DAC. An internal 2.5V reference voltage is provid- ed for applications using single-ended voltage DACs. The MAX2045/MAX2046/MAX2047 operate from a 4.75V to 5.25V single supply. All devices are offered in a com- pact 5mm ✕ 5mm, 32-lead thin QFN exposed-paddle packages. The MAX2045/MAX2046/MAX2047 evaluation kits are available, contact factory for availability. Features o Multiple RF Frequency Bands of Operation 2040MHz to 2240MHz (MAX2045) 1740MHz to 2060MHz (MAX2046) 790MHz to 1005MHz (MAX2047) o ±0.2dB Gain Flatness o ±1° Phase Flatness o 3dB Control Bandwidth: 260MHz o 15dBm Input IP3 o 15dB Gain Control Range o Continuous 360° Phase Control Range o 6.5dB Maximum Gain for Continuous Phase o On-Chip Reference for Single-Ended Voltage-Mode Operation o 800mW Power Consumption o Space-Saving 5mm x 5mm Thin QFN Package o Single 5V supply Applications UMTS/PCS/DCS/Cellular/GSM Base Station Feed-Forward and Predistortion Power Amplifiers RF Magnitude and Phase Adjustment RF Cancellation Loops www.DataSheet4U.com Beam-Forming Applications Ordering Information PART TEMP RANGE MAX2045ETJ-T -40°C to +85°C MAX2046ETJ-T -40°C to +85°C MAX2047ETJ-T -40°C to +85°C EP = Exposed paddle. PIN-PACKAGE 32 Thin QFN-EP 32 Thin QFN-EP* 32 Thin QFN-EP* Pin Configuration/Block Diagram VI1 1 VI2 2 VQ1 3 VQ2 4 II1 5 II2 6 IQ1 7 IQ2 8 CONTROL AMPLIFIER I MAX2045 MAX2046 MAX2047 CONTROL AMPLIFIER Q 2.5V REFERENCE 90° PHASE SHIFTER VECTOR MULTIPLIER OUTPUT STAGE 24 GND 23 GND 22 RBIAS 21 GND 20 GND 19 GND 18 VCC 17 VCC QFN ________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 1 page High-Gain Vector Multipliers MAX2046 ELECTRICAL CHARACTERISTICS (continued) (Typical Operating Circuit as shown in Figure 1; VCC = 4.75V to 5.25V, TA = -40°C to +85°C, RBIAS = 280Ω, fIN = 1.9GHz, input cur- rent range = 0 to 4mA (if using a current-mode DAC), and differential input voltage range = 0 to 0.707V (if using a voltage-mode DAC). If using a current-mode DAC, voltage mode I/Q inputs are left open. If using a voltage-mode DAC, all current-mode I/Q inputs are left open. Typical values are at VCC = 5V and TA = +25°C, unless otherwise noted.) (Notes 1, 2, 3) PARAMETER Phase Flatness Over Frequency Output Noise Power IP1dB IIP3 CURRENT MODE Power Gain (Note 4) Power-Gain Range Gain Flatness Over Frequency www.DataSheet4U.com Phase Flatness Over Frequency CONDITIONS Electrical delay removed, VI = VQ = 0.707V (radius = 1V) PCS, fIN = 1960MHz ±100MHz DCS, fIN = 1842.5MHz ±100MHz VI = VQ = 0.707V (radius = 1V) VI = VQ = 0.5V (radius = 0.707V) VI = VQ = 0.25V (radius = 0.35V) VI = VQ = 0.125V (radius = 0.175V) VI = VQ = 0.707V (radius = 1V) VI = VQ = 0.125V (radius = 0.175V) VI = VQ = 0.707V (radius = 1V) VI = VQ = 0.125V (radius = 0.175V) II1 = IQ1 = 4mA, II2 = IQ2 = 0mA II1 = IQ1 = 1mA, II2 = IQ2 = 0mA Difference in gain between II1 = IQ1 = 4mA, II2 = IQ2 = 0mA and II1 = IQ1 = 1mA, II2 = IQ2 = 0mA II1 = IQ1 = 4mA, II2 = IQ2 = 0mA PCS, fIN = 1960MHz ±100MHz DCS, fIN = 1842.5MHz ±100MHz Electrical delay removed, II1 = IQ1 = 4mA, II2 = IQ2 = 0mA PCS, fIN = 1960MHz ±100MHz DCS, fIN = 1842.5MHz ±100MHz MIN TYP MAX UNITS ±1.3 ±1.2 Degrees -146.8 -147.4 -147.4 -147.3 6.5 9.1 15.2 14.8 dBm/Hz dBm dBm 6.6 -8.2 14.8 dB dB ±0.14 ±0.33 dB ±0.8 ±1.6 Degrees _______________________________________________________________________________________ 5 5 Page High-Gain Vector Multipliers Typical Operating Characteristics (MAX2046) (VCC = 5V, fIN = 1900MHz, V_1 = VI1 and VQ1, V_2 = VI2 and VQ2, I_1 = II1 and IQ1, I_2 = II2 and IQ2, VI1 = VQ1 = 3.2V, VI2 = VQ2 = REFOUT, PIN = -15dBm per tone at 1MHz offset (IIP3), and TA = +25°C, unless otherwise noted.) REFOUT AND SUPPLY CURRENT vs. TEMPERATURE AND SUPPLY VOLTAGE 220 REFOUT LOADED WITH V_2 MAX2046 toc27 2.52 210 2.51 200 2.50 190 2.49 180 170 VCC = 4.75V VCC = 5.0V VCC = 5.25V 2.48 2.47 160 2.46 150 SUPPLY CURRENT 140 -40 -15 10 35 TEMPERATURE (°C) 60 2.45 2.44 85 INPUT RETURN LOSS vs. FREQUENCY 10 V_1 = 2.55V TO 3.5V 12 14 16 18 20 22 24 1700 1750 1800 1850 1900 1950 2000 2050 2100 FREQUENCY (MHz) OUTPUT RETURN LOSS vs. FREQUENCY 12 V_1 = 2.55V TO 3.5V 13 14 15 16 17 18 19 20 21 22 1700 1750 1800 1850 1900 1950 2000 2050 2100 FREQUENCY (MHz) GAIN vs. FREQUENCY 20 V_1 = 3.5V 15 V_1 = 3.0V 10 5 V_1 = 2.75V 0 V_1 = 2.625V -5 -10 -15 www.Da-t2a0Sheet4U.com -25 V_1 = 2.55V -30 1700 1750 1800 1850 1900 1950 2000 2050 2100 FREQUENCY (MHz) GAIN vs. FREQUENCY 15 I_1 = 5mA 10 I_1 = 4mA 5 0 -5 I_1 = 3mA -10 I_1 = 2mA -15 -20 I_1 = 1mA -25 I_1 = 0 -30 1700 1750 1800 1850 1900 1950 2000 2050 2100 FREQUENCY (MHz) GAIN vs. CONTROL VOLTAGE (VI1 = VQ1) 20 VCC = 4.75V TO 5.25V 15 10 5 0 -5 -10 -15 -20 -25 -30 2.50 2.75 3.00 3.25 3.50 3.75 CONTROL VOLTAGE VI1, VQ1 (V) 4.00 GAIN vs. CONTROL VOLTAGE (VI1 = VQ1) 20 15 TA = -40°C 10 5 0 -5 TA = +25°C -10 -15 TA = +85°C -20 -25 -30 -35 -40 -45 -50 2.50 2.75 3.00 3.25 3.50 3.75 4.00 CONTROL VOLTAGE VI1, VQ1 (V) REVERSE ISOLATION vs. FREQUENCY 30 V_1 = 2.55V TO 3.5V 40 50 60 70 80 90 100 110 120 1700 1750 1800 1850 1900 1950 2000 2050 2100 FREQUENCY (MHz) OUTPUT NOISE POWER vs. FREQUENCY -144.0 -144.5 -145.0 V_1 = 3.5V -145.5 -146.0 -146.5 V_1 = 2.55V V_1 = 2.625V -147.0 -147.5 -148.0 -148.5 V_1 = 3V V_1 = 2.75V -149.0 1700 1750 1800 1850 1900 1950 2000 2050 2100 FREQUENCY (MHz) ______________________________________________________________________________________ 11 11 Page

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