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PDF AD5539 Data sheet ( Hoja de datos )
| Número de pieza | AD5539 | |
| Descripción | Ultrahigh Frequency Operational Amplifier | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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a
Ultrahigh Frequency
Operational Amplifier
AD5539
FEATURES
Improved Replacement for Signetics SE/NE5539
AC PERFORMANCE
Gain Bandwidth Product: 1.4 GHz typ
Unity Gain Bandwidth: 220 MHz typ
High Slew Rate: 600 V/s typ
Full Power Response: 82 MHz typ
Open-Loop Gain: 47 dB min, 52 dB typ
DC PERFORMANCE
All Guaranteed DC Specifications Are 100% Tested
For Each Device Over Its Full Temperature
Range – For All Grades and Packages
VOS: 5 mV max Over Full Temperature Range
(AD5539S)
IB: 20 A max (AD5539J)
CMRR: 70 dB min, 85 dB typ
PSRR: 100 V/V typ
MIL-STD-883B Parts Available
PRODUCT DESCRIPTION
The AD5539 is an ultrahigh frequency operational amplifier de-
signed specifically for use in video circuits and RF amplifiers.
Requiring no external compensation for gains greater than 5, it
may be operated at lower gains with the addition of external
compensation.
As a superior replacement for the Signetics NE/SE5539, each
AD5539 is 100% dc tested to meet all of its guaranteed dc
specifications over the full temperature range of the device.
The high slew rate and wide bandwidth of the AD5539 provide
low cost solutions to many otherwise complex and expensive
high frequency circuit design problems.
The AD5539 is available specified to operate over either the
commercial (AD5539JN/JQ) or military (AD5539SQ) tempera-
ture range. The commercial grade is available either in 14-pin
plastic or cerdip packages. The military version is supplied in
the cerdip package. Chip versions are also available.
CONNECTION DIAGRAM
Plastic DIP (N) Package
or Cerdip (Q) Package
PRODUCT HIGHLIGHTS
1. All guaranteed dc specifications are 100% tested.
2. The AD5539 drives 50 Ω and 75 Ω loads directly.
3. Input voltage noise is less than 4 nV√Hz.
4. Low cost RF and video speed performance.
5. ± 2 volt output range into a 150 Ω load.
6. Low cost.
7. Chips available.
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
which 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: 617/329-4700
Fax: 617/326-8703
1 page  
Typical Characteristics—AD5539
Figure 1. Output Voltage Swing
vs. Supply Voltage
Figure 2. Output Voltage Swing
vs. Load Resistance
Figure 3. Maximum Common-
Mode Voltage vs. Supply Voltage
Figure 4. Positive Supply Current
vs. Supply Voltage
Figure 5. Input Voltage vs. Output
Voltage for Various Temperatures
Figure 6. Low Frequency Input
Noise vs. Frequency
Figure 7. Common-Mode
Rejection Ratio vs. Frequency
Figure 8. Harmonic Distortion
vs. Frequency – Low Gain
Figure 9. Harmonic Distortion
vs. Frequency – High Gain
REV. B
–5–
5 Page 
value of RLAG, the higher the noise gain). For example, with a
220 Ω RLAG and a 50 Ω source resistance, the noise gain will be
12.8, because the source resistance affects the noise gain.
Figures 31 and 32 show the small and large signal responses of
the circuit of Figure 29.
AD5539
Figure 31. The Small-Signal Pulse Response of the Gain
of 3 Follower Circuit with RLAG and CLEAD Compensation to
Pin 12; Vertical Scale: 50 mV/div; Horizontal Scale:
5 ns/div
Figure 33. A 20 dB Gain Video Amplifier for 75 Ω Systems
Figure 32. The Large-Signal Pulse Response of the Gain
of 3 Follower Circuit with RLAG and CLEAD Compensation to
Pin 12; Vertical Scale: 200 mV/div; Horizontal Scale:
5 ns/div
A Video Amplifier Circuit with 20 dB Gain (Terminated)
High gain applications (14 dB and up) require only a small lead
capacitance to obtain flat response. The 26 dB (20 dB termi-
nated) video amplifier circuit of Figure 33 has the response
shown in Figure 34 using only approximately 0.5-1 pF lead ca-
pacitance. Again, a small CLEAD can be connected, either to the
output or to Pin 12 with very little difference in response.
Figure 34. Response of the 20 dB Video Amplifier
In color video applications, the quality of differential gain and
differential phase response is very important. Figures 35 and 36
show a circuit and test setup to measure the AD5539’s response
to a modulated ramp signal (0-90 IRE p-p ramp, 40 IRE p-p
modulation, 4.4 MHz).
Figures 37 and 38 show the differential gain and phase response.
REV. B
–11–
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet AD5539.PDF ] | |
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