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PDF ADL5500 Data sheet ( Hoja de datos )
| Número de pieza | ADL5500 | |
| Descripción | 100 MHz to 6 GHz TruPwr Detector | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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100 MHz to 6 GHz
TruPwr™ Detector
ADL5500
FEATURES
True rms response
Excellent temperature stability
±0.1 dB accuracy vs. temperature over top 8 dB of input range
Up to 30 dB input dynamic range at 3.9 GHz
50 Ω input impedance
1250 mV rms, +15 dBm, maximum input
Single-supply operation: 2.7 V to 5.5 V
Low power: 3 mW at 3 V supply
RoHS compliant
APPLICATIONS
Measurement of CDMA2000, W-CDMA, and QPSK-/QAM-
based OFDM, and other complex modulation waveforms
RF transmitter or receiver power measurement
GENERAL DESCRIPTION
The ADL5500 is a mean-responding power detector for use
in high frequency receiver and transmitter signal chains from
100 MHz to 6 GHz. It is easy to apply, requiring only a single
supply between 2.7 V and 5.5 V and a power supply decoupling
capacitor. The input is internally ac-coupled and has a nominal
input impedance of 50 Ω. The output is a linear-responding dc
voltage with a conversion gain of 6.4 V/V rms at 900 MHz. The
on-chip, 1 kΩ series resistance at the output combined with an
external shunt capacitor creates a low-pass filter response that
reduces the residual ripple in the dc output voltage.
5
1
0.1
0.03
–25 –20 –15 –10
–5
0
5 10 15
INPUT (dBm)
Figure 1. Output vs. Input Level, Supply 3 V, Frequency 1.9 GHz
The ADL5500 offers excellent temperature stability with near
0 dB measurement error across temperature. The high accuracy
range, centered around +3 dBm at 900 MHz, offers ±0.1 dB
error from −40°C to +85°C over an 8.5 dB range. The ADL5500
reduces calibration requirements with low drift across a 30 dB
range over temperature and process variations.
The ADL5500 operates from −40°C to +85°C and is available in
a 4-ball, 1.0 mm × 1.0 mm wafer-level chip scale package. It is
fabricated on a proprietary high fT silicon bipolar process.
The ADL5500 is intended for true power measurement of
simple and complex waveforms. The device is particularly
useful for measuring high crest factor (high peak-to-rms ratio)
signals, such as CDMA2000, W-CDMA, and QPSK/QAM-
based OFDM waveforms.
FUNCTIONAL BLOCK DIAGRAM
RFIN
ADL5500
i
x2
TRANS-
CONDUCTANCE
CELLS
i
x2
INTERNAL FILTER
CAPACITOR
VPOS
ERROR
AMP
BUFFER
VRMS
1kΩ
Figure 2.
COMM
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.
1 page  
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Parameter
RMS CONVERSION (f = 2350 MHz)
Input Impedance
Input Return Loss
Dynamic Range1
±0.1 dB Error2
±0.25 dB Error3
±1 dB Error3
±2 dB Error3
Maximum Input Level
Minimum Input Level
Conversion Gain
Output Intercept4
Output Voltage—High Power In
Output Voltage—Low Power In
Temperature Sensitivity
RMS CONVERSION (f = 2700 MHz)
Input Impedance
Input Return Loss
Dynamic Range1
±0.1 dB Error2
±0.25 dB Error3
±1 dB Error3
±2 dB Error3
Maximum Input Level
Minimum Input Level
Conversion Gain
Output Intercept4
Output Voltage—High Power In
Output Voltage—Low Power In
Temperature Sensitivity
Condition
Input RFIN to output VRMS
CW input, −40°C < TA < +85°C
Delta from 25°C, VS = 5 V
VS = 3 V
VS = 5 V
VS = 3 V
VS = 5 V
VS = 3 V
VS = 5 V
±0.25 dB error3
±1 dB error3
VOUT = (Gain × VIN) + Intercept
PIN = +5 dBm, 400 mV rms
PIN = −21 dBm, 20 mV rms
PIN = −5 dBm
25°C ≤ TA ≤ 85°C
−40°C ≤ TA ≤ +25°C
Input RFIN to output VRMS
CW input, −40°C < TA < +85°C
Delta from 25°C, VS = 5 V
VS = 3 V
VS = 5 V
VS = 3 V
VS = 5 V
VS = 3 V
VS = 5 V
±0.25 dB error3
±1 dB error3
VOUT = (Gain × VIN) + Intercept
PIN =+5 dBm, 400 mV rms
PIN = –21 dBm, 20 mV rms
PIN = –5 dBm
25°C ≤ TA ≤ 85°C
−40°C ≤ TA ≤ +25°C
ADL5500
Min Typ
Max Unit
37||0.9
9
5
5
10
28.5
32
32
36
8
−19.5
4.5
0.02
1.82
0.11
0.0027
−0.0046
Ω||pF
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
V/V rms
V
V
V
dB/°C
dB/°C
34||0.8
8.5
5
5
8.5
28.5
32
33
36
9
−19.5
4.2
0.02
1.67
0.1
0.0030
−0.0049
Ω||pF
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
V/V rms
V
V
V
dB/°C
dB/°C
Rev. A | Page 5 of 24
5 Page 
www.DataSheet4U.com
3
2
1
0
–1
–2
–3
–25 –20 –15 –10
–5
0
5 10 15
INPUT (dBm)
Figure 16. Output Delta from +25°C Output Voltage for 55 Devices
at −40°C and +85°C, Frequency 450 MHz, Supply 5.0 V
3
2
1
0
–1
–2
–3
–25 –20 –15 –10
–5
0
5 10 15
INPUT (dBm)
Figure 17. Output Delta from +25°C Output Voltage for 55 Devices
at −40°C and +85°C, Frequency 900 MHz, Supply 5.0 V
3
2
1
0
–1
–2
–3
–25 –20 –15 –10
–5
0
5 10 15
INPUT (dBm)
Figure 18. Output Delta from +25°C Output Voltage for 55 Devices
at −40°C and +85°C, Frequency 1900 MHz, Supply 5.0 V
ADL5500
3
2
1
0
–1
–2
–3
–25 –20 –15 –10
–5
0
5 10 15
INPUT (dBm)
Figure 19. Output Delta from +25°C Output Voltage for 55 Devices
at −40°C and +85°C, Frequency 2350 MHz, Supply 5.0 V
3
2
1
0
–1
–2
–3
–25 –20 –15 –10
–5
0
5 10 15
INPUT (dBm)
Figure 20. Output Delta from +25°C Output Voltage for 55 Devices
at −40°C and +85°C, Frequency 2700 MHz, Supply 5.0 V
3
2
1
0
–1
–2
–3
–25 –20 –15 –10
–5
0
5 10 15
INPUT (dBm)
Figure 21. Output Delta from +25°C Output Voltage for 55 Devices
at −40°C and +85°C, Frequency 3900 MHz, Supply 5.0 V
Rev. A | Page 11 of 24
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet ADL5500.PDF ] | |
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