must be compensated for unity gain, and in some cases overcompensation may be desirable. Note that this configuration results in a positive output voltage anly, the magnitude of which is dependent on the digital input. The following circuit shows how the MLM301AG can be used in a feedforward mode resulting in a full scale settling time on the order of 2.0 ys. FIGURE 18 (To pina of MC1508L8) An alternative method is to use the MC1539G and input com- pensation. Response of this circuit is also on the order of 2.0 us. See Motorola Application Note AN-459 for more details on this concept. FIGURE 19 +15 e (To pina of MC1508L8) 240 O02 uF The positive voltage range may be extended by cascading the output with a high beta common base transistor, Q1, as shown. FIGURE 20 EXTENDING POSITIVE VOLTAGE RANGE (Resistor and diode optional see text) Ge The output voltage range for this circuit is 0 volts ta BVcBO of the transistor. If pin 1 is left open, the transistor base may be graunded, eliminating both the
must be compensated for unity gain, and in some cases overcompensation may be desirable. Note that this configuration results in a positive output voltage only, the magnitude of which is dependent on the digital input. The following circuit shows how the MLM301AG can be used in a feedforward mode resulting in a full scale settling time on the order of 2.0 us. FIGURE 18 65 pF (To pind of MC1508L8} An alternative method is to use the MC1539G and input com- pensation. Response of this circuit is also on the order of 2.0 us. See Motorola Application Note AN-459 for more details on this concept. FIGURE 19 +15 V@ 35 oF It iw 5k w-$4 7 10k 'o 2 8 (To pind _ 6 4 MC1508L8) o 3 |Mcis396 Vo 240 + 8 o2 ue a! tok 2200 oF = 1sv The positive voltage range may be extended by cascading the output with a high beta common base transistor, Q1, as shown. FIGURE 20 EXTENDING POSITIVE VOLTAGE RANGE (Resistor ana diode optional see text) Ge The output voltage range for this circuit is 0 volts to BYVcBO of the transisto
must be compensated for unity gain, and in some cases overcompensation may be desirable. Note that this configuration results in a positive output voltage only, the magnitude of which is dependent on the digital input. The following circuit shows how the MLM301AG can be used in a feedforward mode resulting in a full scale settling time on the order of 2.0 us. FIGURE 18 65 pF (To pind of MC1508L8} An alternative method is to use the MC1539G and input com- pensation. Response of this circuit is also on the order of 2.0 us. See Motorola Application Note AN-459 for more details on this concept. FIGURE 19 +15 V@ 35 oF It iw 5k w-$4 7 10k 'o 2 8 (To pind _ 6 4 MC1508L8) o 3 |Mcis396 Vo 240 + 8 o2 ue a! tok 2200 oF = 1sv The positive voltage range may be extended by cascading the output with a high beta common base transistor, Q1, as shown. FIGURE 20 EXTENDING POSITIVE VOLTAGE RANGE (Resistor ana diode optional see text) Ge The output voltage range for this circuit is 0 volts to BYVcBO of the transisto