MAX4003EBL-T Maxim Integrated Products, MAX4003EBL-T Datasheet
MAX4003EBL-T
Manufacturer Part Number
MAX4003EBL-T
Description
MAX4003 100MHz to 2500MHz, 45dB RF Detector in a Ucsp
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX4003EBL-T.pdf
(12 pages)
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 measure-
ments. 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-mea-
suring 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 2k
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 pack-
age (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.
19-2620; Rev 1; 3/03
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.
Cellular Handsets (TDMA, CDMA, GPRS, GSM)
TSSI for Wireless Terminal Devices
Transmitter Power Measurement and Control
RSSI for Fiber Modules
________________________________________________________________ Maxim Integrated Products
SHDN
RFIN
100MHz to 2500MHz, 45dB RF Detector
GND
V
CC
General Description
Applications
DET
OFFSET
10dB
COMP
resistance.
DET
10dB
DET
OUTPUT
ENABLE
10dB
DELAY
o Complete RF Detector
o Frequency Range from 100MHz to 2500MHz
o Input Range of -58dBV to -13dBV
o Fast Response: 70ns in 10dB Steps
o Low-Current Consumption: 5.9mA at V
o 13µA (typ) Shutdown Current
o Available in 8-Bump UCSP or 8-Pin µMAX and
MAX4003EBL-T
MAX4003EUA
MAX4003ETA-T
Pin Configurations continued at end of data sheet.
(-45dBm to 0dBm into 50 )
Thin QFN Packages
C
DET
A
B
TOP VIEW
(BUMPS ON BOTTOM)
PART
RFIN
V
V
1
10dB
CC
CC
BANDGAP
NOISE
LOW-
MAX4003
UCSP
DET
SHDN
OUT
2
-40°C to +85°C 8 UCSP-8
-40°C to +85°C 8 µMAX
-40°C to +85°C 8 Thi n QFN - E P
TEMP RANGE
+
-
g
m
CLPF
GND
GND
MAX4003
3
Ordering Information
V-I
1X
Functional Diagram
Pin Configurations
SHDN
CLPF
RFIN
GND
in a UCSP
OUT
3
4
CLPF
1
2
PIN/BUMP-
PACKAGE
TOP VIEW
MAX4003
MAX
Features
CC
8
7
6
5
= 3.0V
V
OUT
N.C.
GND
CC
MARK
ADG
TOP
ABV
—
1
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