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KH220
Fast Settling Wideband Op Amp
Features
I I I I I I
General Description
The KH220 is a wide bandwidth DC-coupled operational amplifier that defines the state-of-the-art in high speed op amps. A -3dB bandwidth of DC to 190MHz is achieved using a current feedback architecture design. Ultra-fast settling time (8nsec to 0.1%) and slew rate (7000V/sec) make the KH220 a superior amplifier for pulsed and digital applications. Since thermal tail has been eliminated, the KH220 settles fast and remains solidly at the desired level. Flat gain and linear phase (1.2 deviation from linear) from DC to beyond 100MHz help the KH220 to achieve distortion levels uncommonly low relative to conventional op amps. Using the KH220 is as easy as adding power supplies and a gain-setting resistor. The result is reliable, consistent performance because such characteristics as bandwidth and settling time are virtually independent of gain setting. Unlike conventional op amp designs where the optimum gain-bandwidth product occurs at a high gain, minimum settling time at a gain of -1, maximum slew rate at a gain of +1, et cetera, the KH220 offers predictable response at gain settings from 1 to 50. This, coupled with consistent performance from unit to unit with no external compensation, makes the KH220 a real time and costsaver in design and production situations alike. This combination of features makes the KH220 appropriate for a broad range of applications. The wide bandwidth, DC coupling, and fast settling lend themselves well to high speed D to A and "flash" A to D applications. Both receivers and transmitters in optical fiber systems have similar requirements. High gain and phase linearity and corresponding low distortion make the KH220 ideal for many digital communication system applications, such as in the demodulator, where the need for both DC coupling and high frequency amplification creates requirements that are difficult to meet. The KH220 is constructed using thin film resistor/bipolar transistor technology, and available in these versions:
-3dB bandwidth of 190MHz 0.1% settling in 8ns 7000V/s slew rate 1.9ns rise and fall times Low distortion, linear phase Direct replacement for CLC220
Applications
I I I I I
Very high-speed A to D, D to A conversion High-speed fiber optic systems Baseband and video communications Radar and IF processors Very fast risetime pulse amplifiers
Bottom View
Typical Performance
KH220AI KH220AK KH220AM
-25C to +85C -55C to +125C -55C to +125C
KH220HXC KH220HXA
-55C to +125C -55C to +125C
12-pin TO-8 can 12-pin TO-8 can, features burn-in & hermetic testing 12-pin TO-8 can, environmentally screened and electrically tested to MIL-STD-883 SMD#: 5962-8991101HXC SMD#: 5962-8991101HXA
REV. 1A February 2001
DATA SHEET
KH220
KH220 Electrical Characteristics (Av = +20,Vcc = 15V, RL = 200, Rf = 1500; unless specified)
Min/max ratings are based on product characterization and simulation. Individual parameters are tested as noted. Outgoing quality levels are determined from tested parameters.
Absolute Maximum Ratings
2
REV. 1A February 2001
KH220
DATA SHEET
KH220 Typical Performance Characteristics (TA = +25, Av = +20, VCC = 15V, RL = 200; unless specified)
REV. 1A February 2001
3
DATA SHEET
KH220
4
REV. 1A February 2001
DATA SHEET
KH220
KH220 Package Dimensions
A L e1 e2
7 6 8 9 10 11 12
D
D1
e
5 4
b F
k
3 2 1
k1
TO-8
SYMBOL
A b D D1 e e1 e2 F k k1 L
INCHES
Minimun 0.142 0.016 0.595 0.543 Maximum 0.181 0.019 0.605 0.555
MILIMETERS
Minimum 3.61 0.41 15.11 13.79 Maximum 4.60 0.48 15.37 14.10
NOTES: Seal: cap weld Lead finish: gold per MIL-M-38510 Package composition: Package: metal Lid: Type A per MIL-M-38510
0.400 BSC 0.200 BSC 0.100 BSC 0.016 0.026 0.026 0.310 0.030 0.036 0.036 0.340
10.16 BSC 5.08 BSC 2.54 BSC 0.41 0.66 0.66 7.87 0.76 0.91 0.91 8.64
45 BSC
45 BSC
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICES TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
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(c) 2001 Fairchild Semiconductor Corporation

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