MAX2208 Maxim, MAX2208 Datasheet

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MAX2208

Manufacturer Part Number
MAX2208
Description
The MAX2205–MAX2208 wideband (800MHz to 2GHz) power detectors are ideal for GSM/EDGE (MAX2206), TDMA (MAX2207), and CDMA (MAX2205/MAX2208) applications
Manufacturer
Maxim
Datasheet

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The MAX2205–MAX2208 wideband (800MHz to 2GHz)
power detectors are ideal for GSM/EDGE (MAX2206),
TDMA (MAX2207), and CDMA (MAX2205/MAX2208)
applications. The MAX2206/MAX2207/MAX2208 take an
RF signal from a directional coupler at the input, and out-
put a highly repeatable voltage. The output voltage
increases monotonically with increasing input power. The
output is compensated for temperature and process
shifts, reducing the worst-case variation to less than
±1dB at full power and ±2.5dB at the lowest power.
The MAX2206 features 40dB dynamic range, making
it ideally suited to GSM/EDGE applications. The
MAX2207 offers reduced current consumption for TDMA
applications. The MAX2205/MAX2208 each have an inte-
grated filter to allow for average power detection of
CDMA signals over a 25dB dynamic range. The
MAX2206/MAX2207/MAX2208 offer internal 50Ω termina-
tion for interfacing with a directional coupler. The
MAX2205 has a high-impedance input to provide a low-
loss resistive tap in CDMA applications. All devices allow
the user to control the averaging time constant externally.
The MAX2205–MAX2208 come in a space-saving 2
0.5mm-pitch UCSP™ and require only three external
components.
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.
19-2015; Rev 6; 9/06
TOP VIEW
FROM PA
OUTPUT
(MAX2205)
FROM
COUPLER/TAP
(MAX2206/MAX2207/MAX2208)
Diagram/Typical Operating Circuit
Dual-Band GSM/EDGE Handsets
Dual-Band CDMA/TDMA Handsets
WCDMA Handsets
PA Modules
0Ω (MAX2207/MAX2208)
680Ω (MAX2205)
10Ω (MAX2206)
Pin Configuration/Functional
47pF
________________________________________________________________ Maxim Integrated Products
SHDN LOGIC INPUT
SHUTDOWN
SHDN
LOGIC
RFIN/
(A1)
GND
(B1)
General Description
10kΩ (MAX2205)
240Ω (MAX2206/MAX2207/MAX2208)
TEMPERATURE-
COMPENSATED
DETECTOR
UCSP
PEAK
Applications
MAX2205
MAX2206
MAX2207
MAX2208
(A2)
OUT
(B2)
V
CC
V
RF Power Detectors in UCSP
CC
27pF
C
(OPTIONAL)
FILTER
TO ADC
2,
♦ Space-Saving 2
♦ Internal Temperature Compensation Gives ±0.3dB
♦ No External Filter or Op Amp Required
♦ Power-Detection Range
*Requires solder temperature profile described in the Absolute
Maximum Ratings section.
+ Indicates lead-free package.
UCSP is a trademark of Maxim Integrated Products, Inc.
MAX2205EBS
MAX2205EBS+
MAX2206EBS
MAX2206EBS+
MAX2207EBS
MAX2208EBS
MAX2208EBS+
Detection Accuracy
40dB (MAX2206)
25dB (MAX2205/MAX2207/2208)
PART
1.01 mm
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
2 UCSP Occupies Only 1mm
2
Ordering Information
2 UCSP
1.01 mm
BUMP-PACKAGE
2 × 2 UCSP*
2 × 2 UCSP*
2 × 2 UCSP*
2 × 2 UCSP*
2 × 2 UCSP*
2 × 2 UCSP*
2 × 2 UCSP*
Features
2
1

Related parts for MAX2208

MAX2208 Summary of contents

Page 1

... The MAX2206 features 40dB dynamic range, making it ideally suited to GSM/EDGE applications. The MAX2207 offers reduced current consumption for TDMA applications. The MAX2205/MAX2208 each have an inte- grated filter to allow for average power detection of CDMA signals over a 25dB dynamic range. The MAX2206/MAX2207/MAX2208 offer internal 50Ω termina- tion for interfacing with a directional coupler ...

Page 2

... Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. DC ELECTRICAL CHARACTERISTICS (MAX2205–MAX2208) = +2.7V to +5.0V, SHDN = +2.0V signal applied ...

Page 3

... At 2GHz, output voltage is held at a value that nominally results from +13dBm input power. Deviation from +13dBm is specified. Note 7: For MAX2206, the output voltage is held at 40dB lower input power than specified in Note 6; for MAX2207/MAX2208, output voltage is held at a value that nominally results from 25dB lower input power than specified in Note 6. Deviation from the nominal input power is specified ...

Page 4

... RF Power Detectors in UCSP (MAX2206/MAX2207/MAX2208 EV kit, T MAX2207/MAX2208 OUTPUT VOLTAGE vs. INPUT POWER 2 +2.7V to +3. 800MHz -40°C TO +85°C 2.0 A 1.5 1 +3. +85° +2. -40° - POWER (dBm) MAX2205/MAX2208 RESPONSE TIME vs. TEMPERATURE 900MHz +15dBm (MAX2208 +31dBm (MAX2205) ...

Page 5

... The input capacitor and resistor should be placed as close to the IC as possible. The V input should be bypassed as close as possible to CC the IC with multiple vias connecting the capacitor to ground. Refer to the MAX2205–MAX2208 EV kit data sheet for a sample layout and details. COUPLER PA 50Ω MAX2206 ...

Page 6

... RF Power Detectors in UCSP Table 1. MAX2205 Input Impedance (R || jX, PC Board De-Embedded) FREQUENCY (GHz) REAL 0.8 189.9 0.9 177.3 1.0 165.8 1.1 155.2 1.2 146.4 1.3 138.8 1.4 131.5 1.5 123.3 1.6 115.0 1.7 107.2 1.8 110.7 1.9 105.3 2.0 94.7 Table 2. MAX2205–MAX2208 Device Marking Codes DEVICE MAX2205EBS MAX2206EBS MAX2207EBS MAX2208EBS 6 _______________________________________________________________________________________ P = -30dBm IN IMAG -51.7 -47.4 -43.6 -40.3 -37.6 -35.0 -32.9 -30.7 -29.1 -27.5 -26.7 -25.2 -23.6 CODE AFR AFO AFP ...

Page 7

... Revision History Pages changed at Rev 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. ...

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