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MFG:MAXIM D/C:05+
Part Number: MAX4003
MFG: MAXIM
D/C: 05+
Description: The MAX4003 low-cost, low-power logarithmic amplifier is designed to detect the power levels of RF power amplifiers (PA...
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MAX4003
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DataSheet
General Description
MAX4003 General Description
The MAX4003 low-cost, low-power logarithmic amplifier is designed to detect the power levels of RF power amplifiers (PAs) operating from 100MHz to 2500MHz. A typical dynamic range of 45dB makes this logarithmic amplifier useful in a variety of wireless applications including cellular handset PA control, TSSI for wireless terminal devices, and other transmitter power measurements.
This logarithmic amplifier provides much wider measurement range and superior accuracy than typical diode-based detectors. Excellent temperature stability is achieved over the full operating range of -40°C to +85°C. The MAX4003 logarithmic amplifier is a voltage-measuring device with a typical signal range of -58dBV to -13dBV. The input signal is internally AC-coupled by an on-chip 5pF capacitor in series with a 2kΩ resistance. This highpass coupling, with a corner at 16MHz, sets the lowest operating frequency and allows the input signal source to be DC grounded. The MAX4003 also features a power-on delay, which holds the detector output (OUT) low for approximately 5µs to ensure glitchless controller output.
The MAX4003 is available in an 8-bump chip-scale package (UCSP™), an 8-pin µMAX package, and an 8-pin thin QFN package. The device consumes 5.9mA with a 3.0V supply and only 13µA when the device is in shutdown.
MAX4003 Maximum Ratings
VCC to GND..............................................................-0.3V to +5.25V
SHDN , CLPF to GND........................................-0.3V to (VCC + 0.3V)
RFIN.......................................................................................+6dBm
OUT Short Circuit to GND............................................................10s
Continuous Power Dissipation (TA = +70)
8-Bump UCSP (derate 4.7mW/ above +70)....................379mW
8-Pin µMAX (derate 4.5mW/ above +70) .......................362mW
8-Pin Thin QFN (derate 24.4mW/ above +70) ..............1951mW
Operating Temperature Range .................................-40 to +85
Junction Temperature............................................................+150
Storage Temperature Range ...................................-65 to +150
Lead Temperature (soldering, 10s) ......................................+300
SHDN , CLPF to GND........................................-0.3V to (VCC + 0.3V)
RFIN.......................................................................................+6dBm
OUT Short Circuit to GND............................................................10s
Continuous Power Dissipation (TA = +70)
8-Bump UCSP (derate 4.7mW/ above +70)....................379mW
8-Pin µMAX (derate 4.5mW/ above +70) .......................362mW
8-Pin Thin QFN (derate 24.4mW/ above +70) ..............1951mW
Operating Temperature Range .................................-40 to +85
Junction Temperature............................................................+150
Storage Temperature Range ...................................-65 to +150
Lead Temperature (soldering, 10s) ......................................+300
MAX4003 Features
·Complete RF Detector
·Frequency Range from 100MHz to 2500MHz
·Input Range of -58dBV to -13dBV (-45dBm to 0dBm into 50Ω)
·Fast Response: 70ns in 10dB Steps
·Low-Current Consumption: 5.9mA at VCC = 3.0V
·13µA (typ) Shutdown Current
·Available in 8-Bump UCSP or 8-Pin µMAX and Thin QFN Packages
·Frequency Range from 100MHz to 2500MHz
·Input Range of -58dBV to -13dBV (-45dBm to 0dBm into 50Ω)
·Fast Response: 70ns in 10dB Steps
·Low-Current Consumption: 5.9mA at VCC = 3.0V
·13µA (typ) Shutdown Current
·Available in 8-Bump UCSP or 8-Pin µMAX and Thin QFN Packages
MAX4003 Typical Application
·Cellular Handsets (TDMA, CDMA, GPRS, GSM)
·TSSI for Wireless Terminal Devices
·Transmitter Power Measurement and Control
·RSSI for Fiber Modules
·TSSI for Wireless Terminal Devices
·Transmitter Power Measurement and Control
·RSSI for Fiber Modules
MAX4003 Connection Diagram
MAX4003
PDF/DataSheet Download
- Datasheet: MAX4003
- File Size: 421888 KB
- Manufacturer: MAXIM
- Click here to Download
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