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Electronics
Semiconductor Division
RC6302
Dual Video Amplifier
Features
* * * * * * * * * * * Unity gain stable 70 MHz -3 dB Bandwidth 20 MHz 0.1 dB gain flatness 0.06% differential gain (RL = 150) 0.06 differential phase (RL = 150) High CMRR (100dB), High PSRR (80 dB) Dual 5V power supply Low offset 1.0 mV 8-pin narrow SO package 160 V/s slew rate Fast settling time: 0.1% in 35 ns
Applications
* Video amplifier * Video instrumentation amplifier * Active filter
Description
The RC6302 consists of two low power, wide band voltage feedback operational amplifiers. Each channel is capable of delivering a load current of at least 35mA. The amplifiers are optimized for video applications where low differential gain and low phase distortion are significant requirements.
Block Diagram
RC6302
OUT1 IN1- IN1+ VEE VCC OUT2 IN2- IN2+
65-7481
Rev. 1.0.0
This document was created with FrameMaker 4 0 4
PRODUCT SPECIFICATION
RC6302
Pin Assignments
OUT1 IN1- IN1+ VEE
1 2 3 4 8 7 6 5
65-3402-01
Pin Definitions
VCC OUT2 IN2- IN2+
Pin Name IN1- IN1+ IN2- IN2+ OUT1 OUT2 VEE VCC
Pin Number 2 3 6 5 1 7 4 8
Pin Function Description Amplifier 1 inverting input Amplifier 1 non-inverting input Amplifier 2 inverting input Amplifier 2 non-inverting input Amplifier 1 output Amplifier 2 output Negative supply voltage Positive supply voltage
Absolute Maximum Ratings
(beyond which the device may be damaged)1 Parameter Positive power supply, VCC Negative power supply, VEE Differential input voltage Operating Temperature Storage Temperature Junction Temperature Lead Soldering Temperature (10 seconds) Operating Temperature 0 Short circuit tolerance: No more than one output can be shorted to ground.
Note: 1. Functional operation under any of these conditions is NOT implied. Performance and reliability are guaranteed only if Operating Conditions are not exceeded.
Min
Typ
Max 7 -7 0
Units V V V C C C C C
0 -40
+70 +125 150 300 +70
Operating Conditions
Parameter VCC VEE JA Power Supply Voltage Negative Supply Voltage SO8 Thermal Resistance Min 4.75 -4.75 Typ 5.0 -5.0 140 Max 5.25 -5.25 Units V V C/W
2
RC6302
PRODUCT SPECIFICATION
DC Electrical Characteristics
VCC = 5V, VEE = -5V, AV = 2, TA = 0C to 70C, RLOAD = 150, unless otherwise specified. Parameter VOS VOS/T IB IB/T RIN CIN CMIR CMRR PSRR Is ROUT IOUT VOUT AVOL Input Offset Voltage Offset Voltage Drift Input Bias Current Input Bias Current Drift Input Resistance1 Input Capacitance
1 1 1
Conditions No load
Min
Typ 1.0 6.0 1.0 8.0
Max 5 50 5 50 2
Units mV V/C A nA/C M pF V dB dB
1 0.5 2.5 No Load No Load No Load, Whole IC At DC No Load RL=150 2.5 2.5 58 70 60 100 80 15 0.2 35 3.0 3.0 68 25
Common Mode Input Range Common Mode Rejection Ratio Power Supply Rejection Ratio Quiescent Supply Current Output Impedance1 Output Current Output Voltage Swing Open-loop Gain
mA mA V V dB
Note: 1. Guaranteed by design.
1-3
PRODUCT SPECIFICATION
RC6302
AC Electrical Characteristics
VCC = 5V, VEE = -5V, RLOAD = 150, RG = RF = 250, AV = 2, TA = 0 to 70C, CL = 10 pF, CF = 3 pF unless otherwise specified. Closed Loop. See Typical Test Circuit. Parameter Frequency Response BW Flat Peak XTALK tr1, tf1 ts OS US SR Distortion HD2 HD3 NF SND DG DP 2nd Harmonic Dist. @ 20 MHz1 VOUT = 0.8 Vpp 3nd Harmonic Dist. @ 20 Noise Floor > 100 KHz1 Spectral Noise Density1 Diff. Gain (p-p), NTSC & PAL1 Diff. Phase (p-p), NTSC & PAL1 100 kHz to 200 MHz RL = 150, VOUT = 1.5V RL = 150, VOUT = 1.5V MHz1 VOUT = 0.8 Vpp -50 -50 -140 10 0.06 0.06 dB dB dBm nV/Hz % Deg. -3 dB Bandwidth (AV = 2)1 0.1 dB Bandwidth1 Maximum Small Signal AC Peaking Crosstalk Isolation1 Rise and Fall Time 10% to 90%1 Settling Time to 0.1 %1 Overshoot1 Undershoot1 Slew Rate1 @ 5 MHz 2V Output Step 2V Output Step 2V Output Step 2V Output Step VOUT = 2.0V VOUT = 0.4 Vpp VOUT = 0.8 Vpp 15 70 55 20 0.3 60 6 35 13 4 160 8 MHz MHz MHz DB dB ns ns % % V/s Conditions Min Typ Max Units
Time Domain Response
Equivalent Input Noise
Video Performance
Note: 1. Guaranteed by design.
4
RC6302
PRODUCT SPECIFICATION
Applications Discussion
Capacitive Load
The RC6302 can drive a capacitive load from 10 to over 100 pF. In back terminated video applications, bandwidth will only be limited by the RC time constants of the external output components. A minimum 10 pF capacitive load is required. When driving a 75 cable, place the 75 source termination resistor as close to the amplifier output as possible.
Feedback Components
Because the RC6302 is a voltage-feedback amplifier, it facilitates using reactive (capacitive and inductive) feedback components for implementing filters, integrators, sample/ hold circuits, etc. The feedback network and the parasitic capacitance at the inverting (summing junction) input create a pole and affect the transfer function of the circuit. For stable operation, minimize the parasitic capacitance and equivalent resistance of the components used in the feedback circuit.
DC Accuracy
Since the RC6302 is a voltage-feedback amplifier, the inverting and non-inverting inputs have similar impedances and bias currents. To minimize offset voltage, match the source resistances seen by inverting and non-inverting inputs.
Circuit Board
High-frequency applications require good grounding, power supply decoupling, low parasitic capacitance and inductance, and good isolation between the three inputs to minimize their crosstalk. Minimal coupling from output to input should exist to prevent positive feedback.
Typical Test Circuit
Video Input RI 250 1/2 RC6302 RS 75
Video Output 10 pF CL
RL 75
RF 250
RLOAD = RL + RS
65-7482A
5
PRODUCT SPECIFICATION
RC6302
Mechanical Dimensions - 8-Lead SOIC Package
Symbol A A1 B C D E e H h L N ccc Inches Min. Max. Millimeters Min. Max. Notes: Notes 1. Dimensioning and tolerancing per ANSI Y14.5M-1982. 2. "D" and "E" do not include mold flash. Mold flash or protrusions shall not exceed .010 inch (0.25mm). 3. "L" is the length of terminal for soldering to a substrate. 4. Terminal numbers are shown for reference only. 5 2 2 5. "C" dimension does not include solder finish thickness. 6. Symbol "N" is the maximum number of terminals.
.053 .069 .004 .010 .013 .020 .008 .010 .189 .197 .150 .158 .050 BSC .228 .010 .016 8 0 -- 8 .004 .244 .020 .050
1.35 1.75 0.10 0.25 0.33 0.51 0.20 0.25 4.80 5.00 3.81 4.01 1.27 BSC 5.79 0.25 0.40 8 0 -- 8 0.10 6.20 0.50 1.27
3 6
8
5
E
H
1
4
D A1 A SEATING PLANE B -C- LEAD COPLANARITY ccc C e
h x 45 C
L
6
PRODUCT SPECIFICATION
RC6302
Ordering Information
Product Number RC6302M8 Temperature Range 0 to 70C Screening Commercial Package 8 Pin Narrow SOIC Package Marking RC6302M8
The information contained in this data sheet has been carefully compiled; however, it shall not by implication or otherwise become part of the terms and conditions of any subsequent sale. Raytheon's liability shall be determined solely by its standard terms and conditions of sale. No representation as to application or use or that the circuits are either licensed or free from patent infringement is intended or implied. Raytheon reserves the right to change the circuitry and any other data at any time without notice and assumes no liability for errors.
LIFE SUPPORT POLICY:
Raytheon's products are not designed for use in life support applications, wherein a failure or malfunction of the component can reasonably be expected to result in personal injury. The user of Raytheon components in life support applications assumes all risk of such use and indemnifies Raytheon Company against all damages Raytheon Electronics Semiconductor Division 350 Ellis Street Mountain View CA 94043 415 968 9211 FAX 415 966 7742
12/95 0.0m Stock#DS20006302 (c) Raytheon Company 1995

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