MC34072ADR2G 查看數據表（PDF） - ON Semiconductor

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MC34072ADR2G

Single Supply 3.0 V to 44 V Operational Amplifiers

ON Semiconductor 

MC34071,2,4,A MC33071,2,4,A, NCV33072,4,A

CF

RF

5.0 k 5.0 k 5.0 k

10 k 10 k

10 k

-

MC34071

+

VO

VCC

Bit

Switches

(R-2R) Ladder Network

Settling Time

1.0 ms (8-Bits, 1/2 LSB)

Figure 44. Low Voltage Fast D/A Converter

Vin

2.0 V

Vin

+

VO

MC34071

-

2.0 k

RL

1.0 V

VO

4.0 V

13 V/ms

t

0.2 ms

Delay

25 V/ms

0.1

t

Delay

1.0 ms

Figure 45. High Speed Low Voltage Comparator

VCC

“ON"

Vin < Vref

Vin

Vref

+

MC34071

-

“ON"

Vin > Vref

Figure 46. LED Driver

VCC

+

MC34071

-

RL

(A) PNP

+

MC34071

-

VCC

RL

(B) NPN

Figure 47. Transistor Driver

ILoad

+

MC34071

VO

-

Ground Current

Sense Resistor

RS

R1

R2

R1

VO = ILoad RS 1+ R2

For VO > 0.1V

BW ( -3.0 dB) = GBW

R2

R1+R2

Figure 48. AC/DC Ground Current Monitor

RF

ICell

-

MC34071

VO

+

VCell = 0 V

VO = ICell RF

VO > 0.1 V

Figure 49. Photovoltaic Cell Amplifier

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