µ µ LT1398/LT1399 V IN A R G 00Ω CHANNEL A SELECT EN A R F 3Ω B C 97.6Ω CABLE V IN B R G 00Ω EN B R F 3Ω 97.6Ω V OUT OUTPUT (00mV/DIV) EN C V IN C 97.6Ω R G 00Ω R F 3Ω 1399 TA01 R F = R G = 30Ω f = 30MHz TIME (5ns/DIV) 1398/99 TA0-5
IN A IN A 1 3 TOP VIEW A 16 15 1 EN A OUT A V ORDER PART NUMBER LT1398CS IN R IN R 1 3 TOP VIEW R 16 15 1 EN R OUT R V ORDER PART NUMBER LT1399CS 5 6 13 1 11 GND* GND* V IN G IN G 5 6 G 13 1 11 EN G OUT G V IN B IN B 7 8 B 10 9 OUT B EN B IN B IN B 7 8 B 10 9 OUT B EN B S PACKAGE 16-LEAD PLASTIC SO T JMAX = 150 C, θ JA = 110 C/W S PACKAGE 16-LEAD PLASTIC SO T JMAX = 150 C, θ JA = 110 C/W EN SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS V OS Input Offset Voltage 1.5 10 mv 1 mv V OS / T Input Offset Voltage Drift 15 µv/ C I IN Noninverting Input Current 10 5 µa 30 µa I IN Inverting Input Current 10 50 µa 60 µa e n Input Noise Voltage Density f = 1kHz, R F = 1k, R G = 10Ω, R S = 0Ω.5 nv/ Hz i n Noninverting Input Noise Current Density f = 1kHz 6 pa/ Hz i n Inverting Input Noise Current Density f = 1kHz 5 pa/ Hz R IN Input Resistance V IN = ±3.5V 0.3 1 MΩ C IN Input Capacitance Amplifier Enabled.0 pf Amplifier Disabled.5 pf C OUT Output Capacitance Amplifier Disabled 8.5 pf V INH Input Voltage Range, High 3.5.0 V V S = 5V, 0V.0 V -53
EN SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS V INL Input Voltage Range, Low 3.5.0 V V S = 5V, 0V 1.0 V V OUTH Maximum Output Voltage Swing, High, R L = 100k 3.9. V, R L = 100k 3.7 V V S = 5V, 0V; R L = 100k. V V OUTL Maximum Output Voltage Swing, Low, R L = 100k 3.9. V, R L = 100k 3.7 V V S = 5V, 0V; R L = 100k 0.8 V V OUTH Maximum Output Voltage Swing, High, R L = 150Ω 3. 3.6 V, R L = 150Ω 3. V V S = 5V, 0V; R L = 150Ω 36 V V OUTL Maximum Output Voltage Swing, Low, R L = 150Ω 3. 3.6 V, R L = 150Ω 3. V V S = 5V, 0V; R L = 150Ω 0.6 V CMRR Common Mode Rejection Ratio V CM = ±3.5V 5 db I CMRR Inverting Input Current V CM = ±3.5V 10 16 µa/v Common Mode Rejection V CM = ±3.5V µa/v PSRR Power Supply Rejection Ratio V S = ±V to ±5V 56 70 db I PSRR Noninverting Input Current V S = ±V to ±5V 1 µa/v Power Supply Rejection 3 µa/v I PSRR Inverting Input Current V S = ±V to ±5V 7 µa/v Power Supply Rejection A V Large-Signal Voltage Gain V OUT = ±V, R L = 150Ω 50 65 db R OL Transimpedance, V OUT / I IN V OUT = ±V, R L = 150Ω 0 100 kω I OUT Maximum Output Current R L = 0Ω 80 ma I S Supply Current per Amplifier V OUT = 0V.5 6.5 ma Disable Supply Current per Amplifier EN Pin Voltage =.5V, R L = 150Ω 0 100 µa I EN Enable Pin Current 30 110 µa 00 µa SR Slew Rate (Note 6) A V = 10, R L = 150Ω 500 800 V/µs t ON Turn-On Delay Time (Note 7) R F = R G = 3Ω, 30 75 ns t OFF Turn-Off Delay Time (Note 7) R F = R G = 3Ω, 0 100 ns t r, t f Small-Signal Rise and Fall Time R F = R G = 3Ω,, V OUT = 1V P-P 1.3 ns t PD Propagation Delay R F = R G = 3Ω,, V OUT = 1V P-P.5 ns os Small-Signal Overshoot R F = R G = 3Ω,, V OUT = 1V P-P 10 % t S Settling Time 0.1%, A V = 1V, R F = R G = 309Ω, R L = 150Ω 5 ns dg Differential Gain (Note 8) R F = R G = 3Ω, R L = 150Ω 0.13 % dp Differential Phase (Note 8) R F = R G = 3Ω, R L = 150Ω 0.10 DEG -5
SMALL SIGNAL SMALL SIGNAL SMALL SIGNAL V S (V) A V R L (Ω) R F (Ω) R G (Ω) 3dB BW (MHz) 0.1dB BW (MHz) PEAKING (db) ±5 1 100 365 300 150 0.05 ±5 100 3 3 300 150 0 ±5 1 100 309 309 300 150 0 10 8 GAIN (db) 0 GAIN (db) 6 GAIN (db) 0 1M 10M 100M 1G 1M 10M 100M 1G 1M 10M 100M 1G FREQUENCY (Hz) 1398/99 G01 FREQUENCY (Hz) 1398/99 G0 FREQUENCY (Hz) 1398/99 G03 V IN = 10dBm R F = 365Ω V IN = 10dBm R F = R G = 3Ω V IN = 10dBm R F = R G = 309Ω OUTPUT (1V/DIV) OUTPUT (1V/DIV) OUTPUT (1V/DIV) V IN = ±.5V R F = 365Ω TIME (5ns/DIV) 1398/99 G0 V IN = ±1.5V R F = R G = 3Ω TIME (5ns/DIV) 1398/99 G05 V IN = ±.5V R F = R G = 309Ω TIME (5ns/DIV) 1398/99 G06-55
EN EN EN EN EN -56
µ µ µ µ EN EN EN EN EN EN µ I S (ma) 5.0.5.0 3.5 3.0.5.0 1.5 1.0 0.5 0 0 V IN = 1V V IN = 1V T A = 5 C V = 5V I S vs (V V EN ) 1 3 5 6 7 V V EN (V) R F = 3Ω R G = 3Ω R F = 3Ω R G = 3Ω V = 5V V = 0V 1399 AI0 1398/99 AI01 1398/99 AI0 OUTPUT EN OUTPUT EN -57
EN A EN B OUTPUT V INA = V INB = V P-P at 3.58MHz 1398/99 AI03 V IN IN OUT EN V 1398/99 SS -58
R IN R 1 16 3Ω 15 ROUT R ENABLE V CC PIN 1 3Ω 1k.7µF 0.1µF V EE GND.7µF 0.1µF PIN 11 PINS 3, 6 G IN 5 G 13 3Ω 1 GOUT G ENABLE 3Ω 1k B IN 7 B 8 9 3Ω 10 BOUT B ENABLE 3Ω 1k 1398/99 TA03 µ > -59