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PDF ADL5561 Data sheet ( Hoja de datos )
| Número de pieza | ADL5561 | |
| Descripción | 2.9 GHz Ultralow Distortion RF/IF Differential Amplifier | |
| Fabricantes | Analog Devices | |
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2.9 GHz Ultralow Distortion
RF/IF Differential Amplifier
ADL5561
FEATURES
−3 dB bandwidth of 2.9 GHz (AV = 6 dB)
Low supply current: 40 mA
Pin-strappable gain adjust: 6 dB, 12 dB, 15.5 dB
Differential or single-ended input to differential output
Low noise input stage: 2.1 nV/√Hz RTI at AV = 12 dB
Low broadband distortion (Av = 6 dB)
10 MHz: −94 dBc HD2, −87 dBc HD3
70 MHz: −98 dBc HD2, −87 dBc HD3
140 MHz: −95 dBc HD2, −87 dBc HD3
250 MHz: −80 dBc HD2, −73 dBc HD3
IMD3s of −86 dBc @ 250 MHz center
Slew rate: 9.8 V/ns
Fast settling of 2 ns and overdrive recovery of 3 ns
Single-supply operation: 3 V to 3.6 V
Power-down control
Fabricated using the high speed XFCB3 SiGe process
FUNCTIONAL BLOCK DIAGRAM
VCC
RF
VIP2
VIP1
VIN1
VIN2
RG2
RG1
RG1
RG2
ENBL
VON
VCOM
VOP
RF ADL5561
GND
Figure 1.
GND
APPLICATIONS
Differential ADC drivers
Single-ended-to-differential conversion
RF/IF gain blocks
SAW filter interfacing
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GENERAL DESCRIPTION
The ADL5561 is a high performance differential amplifier
optimized for RF and IF applications. The amplifier offers low
noise of 2.1 nV/√Hz and excellent distortion performance over
a wide frequency range, making it an ideal driver for high speed
8-bit to 16-bit analog-to-digital converters (ADCs).
The ADL5561 provides three gain levels of 6 dB, 12 dB, and 15.5 dB
through a pin-strappable configuration. For the single-ended
input configuration, the gains are reduced to 5.6 dB, 11.1 dB, and
14.1 dB. Using an external series input resistor expands the
amplifier gain flexibility and allows for any gain selection from
0 dB to 15.5 dB.
The quiescent current of the ADL5561 is typically 40 mA and,
when disabled, consumes less than 3 mA, offering excellent
input-to-output isolation.
The device is optimized for wideband, low distortion performance.
These attributes, together with its adjustable gain capability,
make this device the amplifier of choice for general-purpose IF
and broadband applications where low distortion, noise, and power
are critical. This device is optimized for the best combination of
slew speed, bandwidth, and broadband distortion. These attributes
allow it to drive a wide variety of ADCs and make it ideally suited
for driving mixers, pin diode attenuators, SAW filters, and multi-
element discrete devices.
Fabricated on the Analog Devices, Inc., high speed SiGe process,
the ADL5561 is supplied in a compact 3 mm × 3 mm, 16-lead
LFCSP package and operates over the temperature range of
−40°C to +85°C.
Rev. B
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 ©2009–2010 Analog Devices, Inc. All rights reserved.
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
Parameter
250 MHz NOISE/HARMONIC PERFORMANCE
Second/Third Harmonic Distortion
Output Third-Order Intercept/Third-Order
Intermodulation Distortion
Noise Spectral Density (RTI)
1 dB Compression Point (RTO)
500 MHz NOISE/HARMONIC PERFORMANCE
Second/Third Harmonic Distortion
Output Third-Order Intercept/Third-Order
Intermodulation Distortion
Noise Spectral Density (RTI)
1 dB Compression Point (RTO)
1000 MHz NOISE/HARMONIC PERFORMANCE
Second/Third Harmonic Distortion
Output Third-Order Intercept/Third-Order
Intermodulation Distortion
Noise Spectral Density (RTI)
1 dB Compression Point (RTO)
Conditions
AV = 6 dB, RL = 200 Ω, VOUT = 2 V p-p
AV = 12 dB, RL = 200 Ω, VOUT = 2 V p-p
AV = 15.5 dB, RL = 200 Ω, VOUT = 2 V p-p
AV = 6 dB, RL = 200 Ω, VOUT = 2 V p-p
composite (2 MHz spacing)
AV = 12 dB, RL = 200 Ω, VOUT = 2 V p-p
composite (2 MHz spacing)
AV = 15.5 dB, RL = 200 Ω, VOUT = 2 V p-p
composite (2 MHz spacing)
AV = 6 dB
AV = 12 dB
AV = 15.5 dB
AV = 6 dB
AV = 12 dB
AV = 15.5 dB
AV = 6 dB, RL = 200 Ω, VOUT = 1 V p-p
AV = 12 dB, RL = 200 Ω, VOUT = 1 V p-p
AV = 15.5 dB, RL = 200 Ω, VOUT = 1V p-p
AV = 6 dB, RL = 200 Ω, VOUT = 1 V p-p
composite (2 MHz spacing)
AV = 12 dB, RL = 200 Ω, VOUT = 1 V p-p
composite( 2 MHz spacing)
AV = 15.5 dB, RL = 200 Ω, VOUT = 1 V p-p
composite (2 MHz spacing)
AV = 6 dB
AV = 12 dB
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AV = 15.5 dB
AV = 6 dB
AV = 12 dB
AV = 15.5 dB
AV = 6 dB, RL = 200 Ω, VOUT = 1 V p-p
AV = 12 dB, RL = 200 Ω, VOUT = 1 V p-p
AV = 15.5 dB, RL = 200 Ω, VOUT = 1 V p-p
AV = 6 dB, RL = 200 Ω, VOUT = 1 V p-p
composite (2 MHz spacing)
AV = 12 dB, RL = 200 Ω, VOUT = 1 V p-p
composite (2 MHz spacing)
AV = 15.5 dB, RL = 200 Ω, VOUT = 1 V p-p
composite (2 MHz spacing)
AV = 6 dB
AV = 12 dB
AV = 15.5 dB
AV = 6 dB
AV = 12 dB
AV = 15.5 dB
1 See the Applications Information section for a discussion of single-ended input, dc-coupled operation.
ADL5561
Min Typ
−80/−73
−76/−70
−78/−72
+41/−86
+40/−84
+39/−83
3.2
2.2
1.7
19.1
18.9
18.7
−69/−57
−72/−60
−66/−61
+40/−97
+36/−90
+34/−75
4.1
2.4
1.8
16.3
16.4
16.2
−58/−53
−55/−50
−57/−50
+18/−54
+18/−56
+18/−46
6
2.6
1.8
10.8
12.6
12.5
Max Unit
dBc
dBc
dBc
dBm/dBc
dBm/dBc
dBm/dBc
nV/√Hz
nV/√Hz
nV/√Hz
dBm
dBm
dBm
dBc
dBc
dBc
dBm/dBc
dBm/dBc
dBm/dBc
nV/√Hz
nV/√Hz
nV/√Hz
dBm
dBm
dBm
dBc
dBc
dBc
dBm/dBc
dBm/dBc
dBm/dBc
nV/√Hz
nV/√Hz
nV/√Hz
dBm
dBm
dBm
Rev. B | Page 5 of 24
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
–30 –50
–40
AAAVVV
MAXIMUM
MID
MINIMUM
–60
–50 –70
–60 –80
–70 –90
–80 –100
–90 –110
–100
0
100 200 300 400 500 600 700 800 900
RLOAD (Ω)
–120
1k
Figure 21. Harmonic Distortion (HD2/HD3) vs. RLOAD
ENABLE
2V p-p OUTPUT
TIME (2.5ns/DIV)
Figure 22. ENBL Time Domain Response
2V p-p OUTPUT
TIME (2.5ns/DIV)
Figure 23. Large Signal Pulse Response, AV = 15.5 dB
ADL5561
–50 –60
–55
AAAVVV
MAXIMUM
MID
MINIMUM
–65
–60 –70
–65 –75
–70 –80
–75 –85
–80 –90
–85 –95
–90 –100
–95 –105
1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9
VCOM (V)
Figure 24. Harmonic Distortion (HD2/HD3) vs. VCOM
1.0 0
0.9
AAAVVV
MAXIMUM
MID
MINIMUM
–20
0.8 –40
0.7 –60
0.6 –80
0.5 –100
0.4 –120
0.3 –140
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0.2
–160
0.1 –180
0 100 200 300 400 500 600 700 800 900 1k
FREQUENCY (MHz)
Figure 25. Group Delay and Phase vs. Frequency
110 80
100
AAAVVV
MAXIMUM
MID
MINIMUM
70
90 RL = 1kΩ 60
80 50
70 RL = 200Ω
60
40
30
50 20
40 10
30
10M
100M
0
1G
FREQUENCY (Hz)
Figure 26. Common-Mode Rejection Ratio (CMRR) vs. Frequency
Rev. B | Page 11 of 24
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet ADL5561.PDF ] | |
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