LM4040AIX3-2.5T(2019) 查看數據表（PDF） - Maxim Integrated

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LM4040AIX3-2.5T
(Rev.:2019)

Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages

Maxim Integrated 

LM4040

Improved Precision Micropower Shunt Voltage

Reference with Multiple Reverse Breakdown Voltages

Typical Operating Characteristics (continued)

(IR = 100μA, SC70-3 package, TA = +25°C, unless otherwise noted.)

LM4040-2.5V

STARTUP CHARACTERISTICS

LM4040-12

5V

0V

2V

1V

0V

RS = 30kΩ

SEE FIGURE 2

0 4 8 12 16 20 24 28 32 36

RESPONSE TIME (µs)

LM4040-5.0V

STARTUP CHARACTERISTICS

LM4040-13

5V

0V

4V

2V

0V

RS = 16kΩ

SEE FIGURE 2

0 10 20 30 40 50 60 70 80 90

RESPONSE TIME (µs)

LM4040-2.5V

OUTPUT IMPEDANCE vs. FREQUENCY

1000

C1 = 1µF

100

10 IR = 150µA

C1 = 0

1

IR = 1mA

0.1

0.1k

1k

10k

100k

1M

FREQUENCY (Hz)

LM4040-5.0V

OUTPUT IMPEDANCE vs. FREQUENCY

100

C1 = 0

10,000

LM4040-2.5V

NOISE vs. FREQUENCY

10,000

LM4040-5.0V

NOISE vs. FREQUENCY

10

IR = 150µA

1

IR = 1µA

C1 = 1µF

0.1

0.1k

1k

10k

100k

1M

FREQUENCY (Hz)

1000

100

1

10

100

1k

10k

FREQUENCY (Hz)

1000

100

1

10

100

1k

10k

FREQUENCY (Hz)

RS

VIN

VR

1Hz RATE

50%

DUTY CYCLE

Figure 2. Startup Characteristics Test Circuit

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