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LH0002 Buffer CORPORATION LH0002 FEATURES GENERAL DESCRIPTION The LH0002 is a high speed unity gain buffer designed to provide high current drive capability at frequencies from DC to over 50MHz. It is capable of providing a continuous current of 100mA and a peak of 400mA. It is ideal to integrate with an operational amplifier inside a close loop configuration. ORDERING INFORMATION Part LH0002H LH0002CH LH0002CN Package Temperature Range HO8 (TO5-8 Lead) -55oC to +125oC HO8 (TO5-8 Lead) -40oC to +85oC N10A (Plastic DIP-10 Pin) -40oC to +85oC * High Input Impedance . . . . . . . . . . . . . . . . . . . . . . 400k * Low Output Impedance. . . . . . . . . . . . . . . . . . . . . . . . 3 Power Efficiency * HighHarmonic Distortion * Low * Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . DC to 50MHz Swing * Output VoltageCurrentthat. Approaches. Supply .Voltage . . . . . . . . . . . . . . . . . . 400mA * Pulsed Output * Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200V/s * Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V to 20V * Line Driver * Instrumentation Shield Driver * High Speed D/A Conversion * Precision Current Source * Video Driver CONNECTION DIAGRAMS APPLICATIONS METAL CAN PACKAGE INPUT 8 V1 + 1 7 V1 - DUAL-IN-LINE PACKAGE V2 + V1 + V2 - 1 2 3 4 5 10 9 8 7 6 E1 E3 OUTPUT E4 E2 V2 + 2 6 INPUT V1 - E3 3 4 OUTPUT HO8A 5 E4 V2 - N10A CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-1076 LH0002 CORPORATION ABSOLUTE MAXIMUM RATINGS (Note 2) If Military/Aerospace specified devices are required, please contact the Calogic Sales Office for availability and specifications. Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22V Power Dissipation (Note 3) . . . . . . . . . . . . . . . . . . . . 600mW Input Voltage . . . . . . . . . . . . (Equal to Power Supply Voltage) Storage Temperature Range . . . . . . . . . . . . -65oC to +150oC Junction Temperature N Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150oC H Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +175oC Steady State Output Current . . . . . . . . . . . . . . . . . . . 100mA Pulsed Output Current (50ms On/1 sec. Off) . . . . . . 400mA Lead Temperature Soldering (10 seconds) Metal Can. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300oC Plastic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300oC ESD Rating (Note 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2kV OPERATING RATINGS (Note 3) Temperature Range LH0002H . . . . . . . . . . . . . . . . . . . . . . . . . -55oC to +125oC LH0002C . . . . . . . . . . . . . . . . . . . . . . . . . . -40oC to +85oC Thermal Resistance (Note 4) JA, H Package. . . . . . . . . . . . . . . . . . . . . . . . . . . 125oC/W JC, H Package . . . . . . . . . . . . . . . . . . . . . . . . . . . 15oC/W JA, N Package. . . . . . . . . . . . . . . . . . . . . . . . . . . 120oC/W ELECTRICAL CHARACTERISTICS (Note 1) SYMBOL AV RIN RO VO1 VO2 VOS IB HDT R/T IS+ ISPARAMETER Voltage Gain Input Impedance Output Impedance Output Voltage Swing Output Voltage Swing DC Output Offset Voltage DC Input Bias Current Harmonic Distortion Rise Time Positive Supply Current Negative Supply Current 10 10 MIN 0.95 180 TYP 0.97 400 6.0 11 11 10 6.0 0.1 7.0 +6.0 -6.0 12 +10 -10 30 10 10 k V V mV A % ns mA mA MAX UNITS CONDITIONS RS = 10k, RL = 1.0K, VIN = 10V RS = 200k, VIN = 1.0V, RL = 1.0k, VIN = 1.0V, RL = 50, RS = 10k RL = 1.0k, VIN = 12V VS = 15V, VIN = 12V, RS = 50, RL = 100, TA = 25oC RS = 300, RL = 1.0k, RS = 10k, RL = 1.0k, VIN = 5.0Vrms, f = 1.0kHz RL = 50, VIN = 100mV RS = 10k, RL = 1.0k, RS = 10k, RL = 1.0k, Note 1. Specification applies for T A = 25oC with +12V on Pins 1 and 2; -12V on Pins 6 and 7 for the metal can package and +12V on Pins 1 and 2; -12V on Pins 4 and 5 for the dual-in-line package, unless otherwise specified. The parameter guarantees for LH0002C apply over the temperature range of 0oC to +85 oC while parameters for the LH0002 are guaranteed over the temperature range -55oC to +125oC unless otherwise specified. Note 2. Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the devices intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Note 3. The maximum power dissipation is a function of maximum junction temperature (TJMax), total thermal resistance (JA), and ambient temperature (TA) maximum allowed power dissipation at any ambient is PD = (TJMax - TA)/JA. Note 4. For operating at elevated temperatures, the device must be derated based on the thermal resistance JA and TJMax. TJ = T A + PDJA. Note 5. Human body model, 1.5k in series with 100pF. CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-1076 LH0002 CORPORATION TYPICAL PERFORMANCE CHARACTERISTICS INPUT IMPEDANCE (MAGNITUDE & PHASE) -40 INPUT IMPEDANCE (k) FREQUENCY RESPONSE 1.0 AV VIN = 1Vrms- RL = 50 VS = 12.0V TA = 25C VIN = 0.3VrmsR L= 50 VS = 12.0V 1000 TA = 25C 100 RS = 10k -100 PHASE LAG (DEGREES) 0.8 VOLTAGE GAIN -32 PHASE LAG (DEGREES) -80 0.6 -24 -60 0.4 -16 10 -40 0.2 -8 1 -20 0.1 1.0 2.0 5.0 10.0 20.0 50.0 0 100 0 1.0 0.2 0.5 1 2 5 0 10 FREQUENCY (MHz) FREQUENCY (MHz) SUPPLY CURRENT 12.0 SUPPLY CURRENT (mA) INPUT AND OUTPUT PULSE (V) POSITIVE PULSE VS = 12V R L = RS = 50 TA = 25C INPUT 4.0 3.0 OUTPUT 2.0 1.0 0 0 20 40 60 80 100 TA = 25C LESS THAN 10% 10.0 CHANGE FROM -55C TO 125C 8.0 6.0 4.0 2.0 0 6.0 5.0 9.0 12.0 15.0 SUPPLY VOLTAGE (V) TIME (ns) NEGATIVE PULSE INPUT AND OUTPUT PULSE (V) INPUT BIAS CURRENT (A) INPUT BIAS CURRENT 8 7 6 5 4 3 2 1 0 4 6 8 10 12 14 16 18 20 TA = 125C TA = 25C TA = 55C VS = 12V R L = RS = 50 TA = 25C 0 OUTPUT -1.0 INPUT -2.0 -3.0 -4.0 -5.0 0 20 40 60 80 100 120 TIME (ns) SUPPLY VOLTAGE (V) CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-1076 LH0002 CORPORATION TYPICAL APPLICATIONS FIGURE 1. Coaxial Cable Drive Circuit V+ 0.1F RLIM = 100, 1W RLIM 0.001F 2 1 INPUT 3 LH0002 5 4 RLIM 0.1F 8 43 0.001F RG 58 RL 50 V- FIGURE 2. Inverting Buffer Amplifier with Current Limit +15V RF 0.1F +15V 0.1F 1 RIN VIN _ 100 OP-AMP + 3 2 8 RSC LH0002 5 VOUT 0.1F RIN || R F 4 0.1F VOUT R =- F VIN RIN -15V -15V CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-1076 LH0002 CORPORATION TYPICAL APPLICATIONS (Continued) FIGURE 3. Non-Inverting Buffer Amplifier with Gain +15V 0.1F 1 VIN + 100 OP-AMP _ 5 0.1F +15V 0.1F 2 3 8 LH0002 VOUT 4 0.1F RLOAD -15V R2 -15V R1 VOUT = VIN 1 + R2 R1 ( ) FIGURE 4. Non-Inverting Buffer Amplifier +15V 0.1F +15V 0.1F 1 VIN + 100 OP-AMP _ 3 2 8 LH0002 5 VOUT 0.1F 4 0.1F RLOAD -15V -15V CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-1076 LH0002 CORPORATION TYPICAL APPLICATIONS (Continued) FIGURE 5. LH0002 Using Resistor Current Limiting FIGURE 6. Current Limit Using Current Source V+ 0.1F RLIM 10 15V RLIM 0.01F 2 1 VIN 3 LH0002 5 4 RLIM 0.1F RLIM 10 3 LH0002 5 4 Q3 2 1 8 Q2 OUTPUT 0.01F 8 0.01F VOUT 6.2k Q4 -15V V- Q1 , Q 2 = 2N2905 Q 3 , Q 4 = 2N2219 CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-1076 |
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