Datasheet LT1794 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Dual 500mA, 200MHz xDSL Line Driver Amplifier |
| Pages / Page | 20 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. Open-Loop Gain and Phase. –3dB … |
| File Format / Size | PDF / 287 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. Open-Loop Gain and Phase. –3dB Bandwidth. vs Frequency. vs Supply Current
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LT1794
W U TYPICAL PERFOR A CE CHARACTERISTICS Open-Loop Gain and Phase –3dB Bandwidth vs Frequency vs Supply Current Slew Rate vs Supply Current
120 120 45 1000 TA = 25°C TA = 25°C 100 80 40 VS = ±12V 900 V PHASE S = ±12V A 80 40 V = 10 AV = –10 35 R 800 L = 100Ω RL = 1k 60 0 RISING 700 PHASE (DEG) 30 µs) 40 –40 600 25 FALLING 20 –80 500 GAIN 20 GAIN (dB) 0 –120 400 15 –20 T –160 SLEW RATE (V/ A = 25°C dB BANDWIDTH (MHz) 3 300 V – –40 S = ±12V –200 10 A 200 V = –10 –60 RL = 100Ω –240 5 100 IS PER AMPLIFIER = 10mA –80 –280 0 0 100k 1M 10M 100M 2 4 6 8 10 12 14 2 3 4 5 6 7 8 9 10 11 12 13 14 15 FREQUENCY (Hz) SUPPLY CURRENT PER AMPLIFIER (mA) SUPPLY CURRENT PER AMPLIFIER (mA) 1794 G07 1794 G08 1794 G09
Frequency Response CMRR vs Frequency PSRR vs Frequency vs Supply Current
100 100 30 TA = 25°C V V S = ±12V S = ±12V 90 VS = ±12V 90 A 25 A V = 10 V = 10 IS = 10mA PER AMPLIFIER I 80 80 S = 10mA PER AMPLIFIER 20 70 70 15 60 2mA PER AMPLIFIER 60 10 50 10mA PER AMPLIFIER 50 (–) SUPPLY 5 40 15mA PER AMPLIFIER 40 GAIN (dB) 0 30 30 (+) SUPPLY –5 20 20 10 –10 POWER SUPPLY REJECTION (dB) COMMON MODE REJECTION RATIO (dB) 10 0 –15 0 –10 –20 0.1 1 10 100 0.01 0.1 1 10 100 1k 10k 100k 1M 10M 100M FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (Hz) 1794 G10 1794 G11 1794 G12
Output Impedance vs Frequency ISHDN vs VSHDN Supply Current vs VSHDN
1000 2.5 35 TA = 25°C TA = 25°C TA = 25°C VS ±12V VS = ±12V V 30 S = ±12V V V 100 2.0 SHDNREF = 0V SHDNREF = 0V ) Ω IS PER 25 AMPLIFIER = 2mA 10 1.5 20 (mA) IS PER AMPLIFIER = 10mA 15 1 I SHDN 1.0 I 10 OUTPUT IMPEDANCE ( S PER 0.1 AMPLIFIER = 15mA 0.5 5 SUPPLY CURRENT PER AMPLIFIER (mA) 0.01 0 0 0.01 0.1 1 10 100 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 FREQUENCY (MHz) VSHDN (V) VSHDN (V) 1734 G13 1794 G14 1794 G14 5
W U TYPICAL PERFOR A CE CHARACTERISTICS Open-Loop Gain and Phase –3dB Bandwidth vs Frequency vs Supply Current Slew Rate vs Supply Current
120 120 45 1000 TA = 25°C TA = 25°C 100 80 40 VS = ±12V 900 V PHASE S = ±12V A 80 40 V = 10 AV = –10 35 R 800 L = 100Ω RL = 1k 60 0 RISING 700 PHASE (DEG) 30 µs) 40 –40 600 25 FALLING 20 –80 500 GAIN 20 GAIN (dB) 0 –120 400 15 –20 T –160 SLEW RATE (V/ A = 25°C dB BANDWIDTH (MHz) 3 300 V – –40 S = ±12V –200 10 A 200 V = –10 –60 RL = 100Ω –240 5 100 IS PER AMPLIFIER = 10mA –80 –280 0 0 100k 1M 10M 100M 2 4 6 8 10 12 14 2 3 4 5 6 7 8 9 10 11 12 13 14 15 FREQUENCY (Hz) SUPPLY CURRENT PER AMPLIFIER (mA) SUPPLY CURRENT PER AMPLIFIER (mA) 1794 G07 1794 G08 1794 G09
Frequency Response CMRR vs Frequency PSRR vs Frequency vs Supply Current
100 100 30 TA = 25°C V V S = ±12V S = ±12V 90 VS = ±12V 90 A 25 A V = 10 V = 10 IS = 10mA PER AMPLIFIER I 80 80 S = 10mA PER AMPLIFIER 20 70 70 15 60 2mA PER AMPLIFIER 60 10 50 10mA PER AMPLIFIER 50 (–) SUPPLY 5 40 15mA PER AMPLIFIER 40 GAIN (dB) 0 30 30 (+) SUPPLY –5 20 20 10 –10 POWER SUPPLY REJECTION (dB) COMMON MODE REJECTION RATIO (dB) 10 0 –15 0 –10 –20 0.1 1 10 100 0.01 0.1 1 10 100 1k 10k 100k 1M 10M 100M FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (Hz) 1794 G10 1794 G11 1794 G12
Output Impedance vs Frequency ISHDN vs VSHDN Supply Current vs VSHDN
1000 2.5 35 TA = 25°C TA = 25°C TA = 25°C VS ±12V VS = ±12V V 30 S = ±12V V V 100 2.0 SHDNREF = 0V SHDNREF = 0V ) Ω IS PER 25 AMPLIFIER = 2mA 10 1.5 20 (mA) IS PER AMPLIFIER = 10mA 15 1 I SHDN 1.0 I 10 OUTPUT IMPEDANCE ( S PER 0.1 AMPLIFIER = 15mA 0.5 5 SUPPLY CURRENT PER AMPLIFIER (mA) 0.01 0 0 0.01 0.1 1 10 100 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 FREQUENCY (MHz) VSHDN (V) VSHDN (V) 1734 G13 1794 G14 1794 G14 5
