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ADL5506 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer ADL5506
Beschreibung RF Detector
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 25 Seiten
ADL5506 Datasheet, Funktion
Data Sheet
FEATURES
Complete RF detector function
Typical dynamic range: 45 dB
Frequency range from 30 MHz to 4.5 GHz
Excellent temperature stability
Stable linear in decibel response
Power on/off response time: 65 ns/145 ns (rise/fall)
−5 dBm input power applied
Operates from −40°C to +85°C
Low power: 3.8 mA at 3.0 V
Power supply voltage range from 2.5 V to 5.5 V
Disable current <1 µA
APPLICATIONS
RSSI and TSSI for wireless terminal devices
RF transmitter or receiver power measurement
GENERAL DESCRIPTION
The ADL5506 is a complete, low cost subsystem for the
measurement of RF signals in the 30 MHz to 4.5 GHz frequency
range, with a typical dynamic range of 45 dB, intended for use
in a wide variety of wireless terminal devices. It provides a
wider dynamic range and better accuracy than is possible using
discrete diode detectors. In particular, its temperature stability
is excellent over −40°C to +85°C.
30 MHz to 4.5 GHz, 45 dB
RF Detector
ADL5506
Its high sensitivity allows measurement of low power levels,
thus reducing the amount of power that needs to be coupled to
the detector. It is essentially a voltage responding device, with a
typical dynamic range of 45 dB.
For convenience, the signal is internally ac-coupled, using a
5 pF capacitor and a broadband 50 Ω match, with an external
shunt resistor of 52 Ω. This high-pass coupling, with a corner at
approximately 19 MHz, determines the lowest operating
frequency. Therefore, the source can be dc grounded.
The ADL5506 output increases from approximately 0.14 V
to a little over 1 V as the input signal level increases from
1.25 mV rms (−45 dBm) to 224 mV rms (0 dBm). The output
is proportional to the logarithm of the input power level; that is,
the reading is presented directly in decibels and is scaled about
18 mV/dB at 900 MHz. A capacitor can be connected between
the VLOG pin and the CFLT pin when it is desirable to increase
the time interval over which averaging of the input waveform
occurs.
The ADL5506 is available in a 6-ball WLCSP and consumes
3.8 mA from a 3.0 V supply. When powered down, the typical
disable supply current is <1 µA.
FUNCTIONAL BLOCK DIAGRAM
RFIN
DET
DET
DET
DET
CFLT
+
DET
V-I
I-V
10dB
10dB
10dB
10dB
BAND-GAP
REFERENCE
COMM
OFFSET
COMPENSATION
ADL5506
Figure 1.
VLOG
VPOS
ENBL
Rev. 0
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Tel: 781.329.4700
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Technical Support
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ADL5506 Datasheet, Funktion
Data Sheet
ADL5506
Parameter
1900 MHz
±1.0 dB Dynamic Range
Maximum Input Level, ±1.0 dB
Minimum Input Level, ±1.0 dB
Deviation vs. Temperature
Logarithmic Slope
Logarithmic Intercept
Output Voltage—High Power
Input
Output Voltage—Low Power
Input
2140 MHz
±1.0 dB Dynamic Range
Maximum Input Level, ±1.0 dB
Minimum Input Level, ±1.0 dB
Deviation vs. Temperature
Logarithmic Slope
Logarithmic Intercept
Output Voltage—High Power
Input
Output Voltage—Low Power
Input
2700 MHz
±1.0 dB Dynamic Range
Maximum Input Level, ±1.0 dB
Minimum Input Level, ±1.0 dB
Deviation vs. Temperature
Logarithmic Slope
Logarithmic Intercept
Output Voltage—High Power
Input
Output Voltage—Low Power
Input
3500 MHz
±1.0 dB Dynamic Range
Maximum Input Level, ±1.0 dB
Minimum Input Level, ±1.0 dB
Deviation vs. Temperature
Logarithmic Slope
Test Conditions/Comments
Continuous wave (CW) input, TA = 25°C
Three-point calibration at −40 dBm, −30 dBm, and
−10 dBm
Three-point calibration at −40 dBm, −30 dBm, and
−10 dBm
Deviation from output at 25°C, 3 V
−40°C < TA < +85°C; PIN = −30 dBm
−40°C < TA < +85°C; PIN = −10 dBm
Calibration at −30 dBm and −10 dBm
Calibration at −30 dBm and −10 dBm
PIN = −10 dBm
PIN = −30 dBm
Continuous wave (CW) input, TA = 25°C
Three-point calibration at −40 dBm, −30 dBm, and
−10 dBm
Three-point calibration at −40 dBm, −30 dBm, and
−10 dBm
Deviation from output at 25°C, 3 V
−40°C < TA < +85°C; PIN = −30 dBm
−40°C < TA < +85°C; PIN = −10 dBm
Calibration at −30 dBm and −10 dBm
Calibration at −30 dBm and −10 dBm
PIN = −10 dBm
PIN = −30 dBm
Continuous wave (CW) input, TA = 25°C
Three-point calibration at −40 dBm, −30 dBm, and
−10 dBm
Three-point calibration at −40 dBm, −30 dBm, and
−10 dBm
Deviation from output at 25°C, 3 V
−40°C < TA < +85°C; PIN = −30 dBm
−40°C < TA < +85°C; PIN = −10 dBm
Calibration at −30 dBm and −10 dBm
Calibration at −30 dBm and −10 dBm
PIN = −10 dBm
PIN = −30 dBm
Continuous wave (CW) input, TA = 25°C
Three-point calibration at −42 dBm, −30 dBm, and
−10 dBm
Three-point calibration at −42 dBm, −30 dBm, and
−10 dBm
Deviation from output at 25°C, 3 V
−40°C < TA < +85°C; PIN = −30 dBm
−40°C < TA < +85°C; PIN = −10 dBm
Calibration at −30 dBm and −10 dBm
Rev. 0 | Page 5 of 24
Min Typ
46
2
−44
Max
+0.1/−0.42
+0.2/−0.72
17.5
−55.5
797
446
45
1
−44
+0.1/−0.52
+0.2/−0.72
17.5
−56
800
450
46
1
−45
+0.2/−0.72
+0.3/−0.92
17.5
−57
808
461
45
1
−44
+0.1/−1.12
+0.2/−12
17.2
Unit
dB
dBm
dBm
dB
dB
mV/dB
dBm
mV
mV
dB
dBm
dBm
dB
dB
mV/dB
dBm
mV
mV
dB
dBm
dBm
dB
dB
mV/dB
dBm
mV
mV
dB
dBm
dBm
dB
dB
mV/dB

6 Page









ADL5506 pdf, datenblatt
Data Sheet
1.2 6
THREE-POINT CALIBRATION
1.1 AT –40dBm, –30dBm, AND –8dBm 5
1.0 4
0.9 3
0.8 2
0.7 1
0.6 0
0.5 –1
0.4 –2
0.3 –3
0.2 TA = –40°C
TA = 0°C
0.1 TA = +25°C
TA = +85°C
0
–50 –45 –40 –35 –30 –25 –20 –15 –10 –5 0
–4
–5
–6
5
PIN (dBm)
Figure 15. VLOG and Log Conformance Error vs. PIN over Temperature at 450 MHz
1.2 6
THREE-POINT CALIBRATION
1.1 AT –40dBm, –30dBm, AND –10dBm 5
1.0 4
0.9 3
0.8 2
0.7 1
0.6 0
0.5 –1
0.4 –2
0.3 –3
0.2 TA = –40°C
TA = 0°C
0.1 TA = +25°C
TA = +85°C
0
–50 –45 –40 –35 –30 –25 –20 –15 –10 –5 0
–4
–5
–6
5
PIN (dBm)
Figure 16. VLOG and Log Conformance Error vs. PIN over Temperature at 900 MHz
1.2 6
THREE-POINT CALIBRATION
1.1 AT –40dBm, –30dBm, AND –10dBm 5
1.0 4
0.9 3
0.8 2
0.7 1
0.6 0
0.5 –1
0.4 –2
0.3 –3
0.2 TA = –40°C
TA = 0°C
0.1 TA = +25°C
TA = +85°C
0
–50 –45 –40 –35 –30 –25 –20 –15 –10 –5 0
–4
–5
–6
5
PIN (dBm)
Figure 17. VLOG and Log Conformance Error vs. PIN over Temperature at 1900 MHz
ADL5506
1.2
CALIBRATION AT –30dBm AND –10dBm
1.1
6
5
1.0 4
0.9 3
0.8 2
0.7 1
0.6 0
0.5 –1
0.4 –2
0.3 –3
0.2
0.1
0
–50 –45 –40 –35 –30 –25 –20 –15 –10
TA = –40°C
TA = 0°C
TA = +25°C
TA = +85°C
–4
–5
–6
–5 0 5
PIN (dBm)
Figure 18. Distribution of Log Conformance Error with Respect to VLOG at 25°C
vs. PIN and Temperature at 450 MHz
1.2
CALIBRATION AT –30dBm AND –10dBm
1.1
6
5
1.0 4
0.9 3
0.8 2
0.7 1
0.6 0
0.5 –1
0.4 –2
0.3 –3
0.2
0.1
0
–50 –45 –40 –35 –30 –25 –20 –15 –10
TA = –40°C
TA = 0°C
TA = +25°C
TA = +85°C
–4
–5
–6
–5 0 5
PIN (dBm)
Figure 19. Distribution of Log Conformance Error with Respect to VLOG at 25°C
vs. PIN and Temperature at 900 MHz
1.2
CALIBRATION AT –30dBm AND –10dBm
1.1
6
5
1.0 4
0.9 3
0.8 2
0.7 1
0.6 0
0.5 –1
0.4 –2
0.3 –3
0.2
0.1
0
–50 –45 –40 –35 –30 –25 –20 –15 –10
TA = –40°C
TA = 0°C
TA = +25°C
TA = +85°C
–4
–5
–6
–5 0 5
PIN (dBm)
Figure 20. Distribution of Log Conformance Error with Respect to VLOG at 25°C
vs. PIN and Temperature at 1900 MHz
Rev. 0 | Page 11 of 24

12 Page





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