AD9630AR Analog Devices, AD9630AR Datasheet

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AD9630AR

Manufacturer Part Number
AD9630AR
Description
Manufacturer
Analog Devices
Datasheet

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a
*Protected under U.S. patent numbers 5,150,074 and 5,537,079.
GENERAL DESCRIPTION
The AD9630 is a monolithic buffer amplifier that utilizes a
patented, innovative, closed-loop design technique to achieve
exceptional gain accuracy, wide bandwidth, and low distortion.
Slew rate limiting has been overcome as indicated by the
1200 V/ s slew rate; this improvement allows the user greater
flexibility in wideband and pulse applications. The second har-
monic distortion terms for an analog input tone of 4.3 MHz
and 20 MHz are –80 dBc and –66 dBc, respectively. Clearly,
the AD9630 establishes a new standard by combining out-
standing dc and dynamic performance in one part.
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.
FEATURES
Excellent Gain Accuracy: 0.99 V/V
Wide Bandwidth: 750 MHz
Slew Rate: 1200 V/ s
Low Distortion
Settling Time
Low Noise: 2.4 nV/ Hz
Improved Source for CLC-110
APPLICATIONS
IF/Communications
Impedance Transformations
Drives Flash ADCs
Line Driving
–65 dBc @ 20 MHz
–80 dBc @ 4.3 MHz
5 ns to 0.1%
8 ns to 0.02%
The large signal bandwidth, low distortion over frequency, and
drive capabilities of the AD9630 make the buffer an ideal flash
ADC driver. The AD9630 provides better signal fidelity than
many of the flash ADCs that it has been designed to drive.
Other applications that require increased current drive at unity
voltage gain (such as cable driving) benefit from the AD9630’s
performance.
The AD9630 is available in plastic DIP (N) and SOIC (R).
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
NOTE: FOR BEST SETTLING TIME PERFORMANCE USE
OPTIONAL POWER SUPPLIES. ALL SPECIFICATIONS
ARE BASED ON USING SINGLE
EXCEPT FOR SETTLING TIME TO 0.02% AND SMALL
SIGNAL S21. CONSULT THE FACTORY FOR VERSIONS
WITH OPTIONAL POWER SUPPLY PINS DISCONNECTED
INTERNAL TO THE PACKAGE.
Closed-Loop Buffer Amp
**OPTIONAL +V
Low Distortion 750 MHz
PIN CONFIGURATION
INPUT
World Wide Web Site: http://www.analog.com
+V
NC
**
S
NC = NO CONNECT
1
2
3
4
S
AD9630
***OPTIONAL –V
V
S
CONNECTIONS,
8
7
6
5
© Analog Devices, Inc., 1999
OUTPUT
NC
***
–V
AD9630*
S
S

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AD9630AR Summary of contents

Page 1

... U.S. patent numbers 5,150,074 and 5,537,079. 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 ...

Page 2

AD9630–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter Conditions DC SPECIFICATIONS Output Offset Voltage Offset Voltage TC Input Bias Current Bias Current TC Input Resistance Input Capacitance Gain V V Output Voltage Range Output Current (50 Load) Output Impedance At DC PSRR DC Nonlinearity ...

Page 3

... C to +85 C 8-Lead Plastic DIP N-8 AD9630AR – +85 C 8-Lead SOIC AD9630AR-REEL – +85 C 13" Tape and Reel SO-8 CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. ...

Page 4

AD9630 –1 –2 –3 –4 –5 –6 –7 –8 <0.1MHz 100MHz C L Figure 2. Frequency Response vs. C with Recommended pulse mode applications, with R equal to approximately capacitive loads ...

Page 5

R = 200 –100 L –200 –300 –400 R = 100 L –500 –600 –700 –800 –900 –1000 –3 –2 – VOLTS Figure 4. Endpoint DC Linearity 10M ...

Page 6

AD9630 0.1 TEST CIRCUIT 0.08 0.06 100 6pF 0.04 0.02 0 –0.02 –0.04 –0.06 –0. STEP OUT –0 TIME – ns Figure 13. Short-Term Settling Time 100 L 50 ...

Page 7

Plastic DIP (N-8) 0.430 (10.92) 0.348 (8.84 0.280 (7.11) 0.240 (6.10 0.325 (8.25) PIN 1 0.100 (2.54) 0.300 (7.62) BSC 0.060 (1.52) 0.210 0.015 (0.38) (5.33) MAX 0.130 0.160 (4.06) (3.30) MIN 0.115 (2.93) 0.022 ...

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