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Analog Devices Semiconductor Electronic Components Datasheet

AD8350 Datasheet

Low Distortion 1.0 GHz Differential Amplifier

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a
Low Distortion
1.0 GHz Differential Amplifier
FEATURES
High Dynamic Range
Output IP3: +28 dBm: Re 50 @ 250 MHz
Low Noise Figure: 5.9 dB @ 250 MHz
Two Gain Versions:
AD8350-15: 15 dB
AD8350-20: 20 dB
–3 dB Bandwidth: 1.0 GHz
Single Supply Operation: 5 V to 10 V
Supply Current: 28 mA
Input/Output Impedance: 200
Single-Ended or Differential Input Drive
8-Lead SOIC Package and 8-Lead microSOIC Package
APPLICATIONS
Cellular Base Stations
Communications Receivers
RF/IF Gain Block
Differential A-to-D Driver
SAW Filter Interface
Single-Ended-to-Differential Conversion
High Performance Video
High Speed Data Transmission
AD8350
FUNCTIONAL BLOCK DIAGRAM
8-Lead SOIC and SOIC Packages (with Enable)
IN+ 1
ENBL 2
VCC 3
OUT+ 4
+
AD8350
8 IN–
7 GND
6 GND
5 OUT–
PRODUCT DESCRIPTION
The AD8350 series are high performance fully-differential
amplifiers useful in RF and IF circuits up to 1000 MHz. The
amplifier has excellent noise figure of 5.9 dB at 250 MHz. It
offers a high output third order intercept (OIP3) of +28 dBm
at 250 MHz. Gain versions of 15 dB and 20 dB are offered.
The AD8350 is designed to meet the demanding performance
requirements of communications transceiver applications. It
enables a high dynamic range differential signal chain, with
exceptional linearity and increased common-mode rejection.
The device can be used as a general purpose gain block, an
A-to-D driver, and high speed data interface driver, among
other functions. The AD8350 input can also be used as a single-
ended-to-differential converter.
The amplifier can be operated down to 5 V with an OIP3 of
+28 dBm at 250 MHz and slightly reduced distortion perfor-
mance. The wide bandwidth, high dynamic range and temperature
stability make this product ideal for the various RF and IF
frequencies required in cellular, CATV, broadband, instrumen-
tation and other applications.
The AD8350 is offered in an 8-lead single SOIC package and
µSOIC package. It operates from 5 V and 10 V power supplies,
drawing 28 mA typical. The AD8350 offers a power enable func-
tion for power-sensitive applications. The AD8350 is fabricated
using Analog Devices’ proprietary high speed complementary
bipolar process. The device is available in the industrial (–40°C to
+85°C) temperature range.
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. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2001


Analog Devices Semiconductor Electronic Components Datasheet

AD8350 Datasheet

Low Distortion 1.0 GHz Differential Amplifier

No Preview Available !

AD8350–SPECIFICATIONS (@ 25؇C, VS = 5 V, G = 15 dB, unless otherwise noted. All specifications refer to
differential inputs and differential outputs unless noted.)
Parameter
DYNAMIC PERFORMANCE
–3 dB Bandwidth
Bandwidth for 0.1 dB Flatness
Slew Rate
Settling Time
Gain (S21)1
Gain Supply Sensitivity
Gain Temperature Sensitivity
Isolation (S12)1
NOISE/HARMONIC PERFORMANCE
50 MHz Signal
Second Harmonic
Third Harmonic
Output Second Order Intercept2
Output Third Order Intercept2
250 MHz Signal
Second Harmonic
Third Harmonic
Output Second Order Intercept2
Output Third Order Intercept2
1 dB Compression Point (RTI)2
Voltage Noise (RTI)
Noise Figure
INPUT/OUTPUT CHARACTERISTICS
Differential Offset Voltage (RTI)
Differential Offset Drift
Input Bias Current
Input Resistance
CMRR
Output Resistance
POWER SUPPLY
Operating Range
Quiescent Current
Power-Up/Down Switching
Power Supply Rejection Ratio
OPERATING TEMPERATURE RANGE
NOTES
1See Tables II–III for complete list of S-Parameters.
2Re: 50 .
Specifications subject to change without notice.
Conditions
VS = 5 V, VOUT = 1 V p-p
VS = 10 V, VOUT = 1 V p-p
VS = 5 V, VOUT = 1 V p-p
VS = 10 V, VOUT = 1 V p-p
VOUT = 1 V p-p
0.1%, VOUT = 1 V p-p
VS = 5 V, f = 50 MHz
VS = 5 V to 10 V, f = 50 MHz
TMIN to TMAX
f = 50 MHz
VS = 5 V, VOUT = 1 V p-p
VS = 10 V, VOUT = 1 V p-p
VS = 5 V, VOUT = 1 V p-p
VS = 10 V, VOUT = 1 V p-p
VS = 5 V
VS = 10 V
VS = 5 V
VS = 10 V
VS = 5 V, VOUT = 1 V p-p
VS = 10 V, VOUT = 1 V p-p
VS = 5 V, VOUT = 1 V p-p
VS = 10 V, VOUT = 1 V p-p
VS = 5 V
VS = 10 V
VS = 5 V
VS = 10 V
VS = 5 V
VS = 10 V
f = 150 MHz
f = 150 MHz
VOUT+ – VOUT–
TMIN to TMAX
Real
f = 50 MHz
Real
Powered Up, VS = 5 V
Powered Down, VS = 5 V
Powered Up, VS = 10 V
Powered Down, VS = 10 V
f = 50 MHz, VS = 1 V p-p
Min Typ Max
0.9
1.1
90
90
2000
10
14 15
16
0.003
–0.002
–18
Unit
GHz
GHz
MHz
MHz
V/µs
ns
dB
dB/V
dB/°C
dB
–66
–67
–65
–70
58
58
28
29
–48
–49
–52
–61
39
40
24
28
2
5
1.7
6.8
±1
0.02
15
200
–67
200
4
25 28
3 3.8
27 30
34
15
–58
–40
11.0
32
5.5
34
6.5
+85
dBc
dBc
dBc
dBc
dBm
dBm
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dBm
dBm
dBm
dBm
dBm
nV/Hz
dB
mV
mV/°C
µA
dB
V
mA
mA
mA
mA
ns
dB
°C
–2– REV. A


Part Number AD8350
Description Low Distortion 1.0 GHz Differential Amplifier
Maker Analog Devices
Total Page 16 Pages
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