MAX2244EBL Maxim Integrated Products, MAX2244EBL Datasheet

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MAX2244EBL

Manufacturer Part Number
MAX2244EBL
Description
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX2244EBL.pdf (14 pages)

Specifications of MAX2244EBL

Dc
N/A

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Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
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MAX2244EBL-T
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The MAX2244/MAX2245/MAX2246 single-supply, low-
voltage power amplifiers (PAs) are designed for 20dBm
Bluetooth™ Class 1 applications in the 2.4GHz to 2.5GHz
band. The MAX2244/MAX2245 deliver a peak output
power of 22dBm with greater than 20dB output-power
control range. The 22dBm output power compensates for
the filter loss between the PA and the antenna, allowing
20dBm to be delivered to the antenna. The MAX2246 pro-
vides a peak output power of 20dBm for a 30% reduction
in supply current.
The PAs integrate a power detector and closed-loop
power-control circuitry to provide nearly constant output
power over the full range of supply voltage, temperature,
and input power level. The voltage at the analog control
input precisely controls the output power level.
The MAX2244/MAX2245/MAX2246 feature a low-current
shutdown mode through a simple logic input. Internal cir-
cuitry automatically controls the ramp-up/down of the
output power level during turn-on and turn-off to meet
Bluetooth spurious emissions requirements.
The devices operate from a 3V to 3.6V single supply.
The MAX2244/MAX2246 have a power-control voltage
range of 0.5V to 2V, and the MAX2245 has a control
voltage range of 0.9V to 2.2V. The devices are pack-
aged in a miniature ultra chip-scale package (UCSP™),
significantly reducing the required board area.
19-2204; Rev 2; 8/03
Bluetooth is a trademark of Ericsson Corp.
UCSP is a trademark of Maxim Integrated Products, Inc.
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.
2.5GHz, 22dBm/20dBm Power Amplifiers with
Bluetooth Class 1 Radios
802.11 FHSS/HomeRF™ Radios
2.4GHz Cordless Phones
SHDN
RFIN/
PC
________________________________________________________________ Maxim Integrated Products
B1
A1
SHUTDOWN
General Description
MAX2244
MAX2245
MAX2246
INTERFACE
ANALOG
Analog Closed-Loop Power Control
MATCH
BIAS
Applications
GND
C3
V
GND
CC1
C1
C2
CONTROL
AMP
MATCH
o 2.4GHz to 2.5GHz Operation
o Accurate Closed-Loop Output Power Control
o Convenient Analog Power-Control Interface
o 22dBm Peak Output Power (MAX2244/MAX2245)
o 20dBm Peak Output with 30% Reduced Supply
o Internal Bandwidth-Limited Power Ramping
o 50Ω Integrated Input Match
o 0.5µA Shutdown Supply Current
o Ultra Chip-Scale Package (1.56mm
*UCSP reliability is integrally linked to the user's assembly
methods, circuit board material, and environment. See the
UCSP Reliability Notice in the UCSP Reliability section of this
data sheet for more information.
Pin Configuration appears at end of data sheet.
HomeRF is a trademark of The HomeRF Working Group.
MAX2244EBL-T
MAX2245EBL-T
MAX2246EBL-T
Over Full Temperature, Supply, and Input Power
Range
Current (MAX2246)
V
GND
CC2
PART
A2
B2
DETECTOR
MATCH
POWER
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
RANGE
TEMP
Ordering Information
Functional Diagram
GND
A3
BUMP
PACKAGE
9 UCSP*-9
9 UCSP*-9
9 UCSP*-9
B3
RFOUT
✕
Features
1.56mm)
MARK
TOP
AAQ
AAP
AAY
1

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MAX2244EBL Summary of contents

Page 1

... Current (MAX2246) o Internal Bandwidth-Limited Power Ramping o 50Ω Integrated Input Match o 0.5µA Shutdown Supply Current o Ultra Chip-Scale Package (1.56mm PART MAX2244EBL-T MAX2245EBL-T MAX2246EBL-T *UCSP reliability is integrally linked to the user's assembly Applications methods, circuit board material, and environment. See the UCSP Reliability Notice in the UCSP Reliability section of this data sheet for more information ...

Page 2

Power Amplifiers with Analog Closed-Loop Power Control ABSOLUTE MAXIMUM RATINGS RFOUT to GND .................................-0.3V to +6.0V CC1 CC2 RFIN/SHDN GND.............................-0. Input Power (RFIN)....................................................+10dBm Load Mismatch (VSWR) Without Damage ..............................6:1 ...

Page 3

Power Amplifiers with Analog Closed-Loop Power Control AC ELECTRICAL CHARACTERISTICS (Typical Application Circuit 3V noted. Typical values are 3V PARAMETER Frequency Range (Note 3) Input Power MAX2244, V MAX2244, ...

Page 4

Power Amplifiers with Analog Closed-Loop Power Control (Typical Application Circuit 3V RFIN MAX2244 OUTPUT POWER vs. POWER CONTROL ( +85° +25° ...

Page 5

Power Amplifiers with Analog Closed-Loop Power Control (Typical Application Circuit 3V MAX2245 OUTPUT POWER vs. POWER CONTROL ( +85° +25°C - -40°C A ...

Page 6

Power Amplifiers with Analog Closed-Loop Power Control (Typical Application Circuit 3V RFIN MAX2246 OUTPUT POWER vs. POWER CONTROL ( +85° - +25° ...

Page 7

Power Amplifiers with Analog Closed-Loop Power Control PIN NAME Power-Control Voltage Input. Adjust PC between 0.5V and 2V (MAX2244/MAX2246 2.2V (MAX2245) to adjust output power. Drive PC below 0.3V to shut down the ...

Page 8

Power Amplifiers with Analog Closed-Loop Power Control C1 10µF TRANSCEIVER IC DAC R2 2.5kΩ RFIN C5 R2 10pF 1kΩ SHDN Figure 1. MAX2244/MAX2245/MAX2246 Typical Application Circuit Table 1. Typical Application Circuit Component Values COMPONENT MAX2244 MAX2245 C6 10pF ...

Page 9

Power Amplifiers with Analog Closed-Loop Power Control RFIN/SHDN is a dual-function input for a 2.4GHz to 2.5GHz RF signal and a DC-coupled shutdown function. The input port is internally matched to 50Ω, making it simple to interface the ...

Page 10

Power Amplifiers with Analog Closed-Loop Power Control -10 -15 -20 0 0.50 P OUT V ( (dBm) 0 -9.45 0.42 0.30 -9.45 0.43 0.32 -9.45 0.44 0.36 ...

Page 11

Power Amplifiers with Analog Closed-Loop Power Control -10 -15 -20 0 0.50 P OUT V (V) PC (dBm) 0 -8.00 0.82 -8.00 0.83 -8.14 0.84 -8.46 0.85 -17.51 0.86 -8.00 0.87 ...

Page 12

Power Amplifiers with Analog Closed-Loop Power Control -10 -15 -20 0 0.50 P OUT V ( (dBm) 0 -17.80 0.40 0.10 -17.80 0.41 0.20 -17.80 0.42 0.30 ...

Page 13

Power Amplifiers with Analog Closed-Loop Power Control A good layout is necessary to achieve high-output power with good efficiency. A solid ground plane must be used, with any free board space also being grounded. Connect any ground planes ...

Page 14

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2003 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...

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