AMS255 Просмотр технического описания (PDF) - Advanced Monolithic Systems Inc

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AMS255

MICROPOWER SHUNT VOLTAGE REFERENCE

Advanced Monolithic Systems Inc 

AMS255

TYPICAL APPLICATIONS

Precision 1µA to 1mA Current Sources

AMS255

R1

20k

IOUT*

-1.0V TO -12V

2-

8

1/2

1

LMC6062

3+

4

R2

-15V

IOUT=2.5V/R2

R1

20k

1.0V TO 12V

IOUT*

12V

AMS255

2-

8

1/2

1

LMC6062

3+

4

R2

TYPICAL PERFORMANCE CHARACTERISTICS

Temperature Drift for Different

Average Temperature Coefficient

+0.5

+0.4

IR = 150µ A

+0.3

+0.2

+0.1

+12ppm/° C

0

-0.1

-0.2

-22ppm/° C

-0.3

-51ppm/° C

-0.4

-0.5

-40 -20 0 20 40 60 80 100

TEMPERATURE ( ° C)

Reverse Characteristics and

Minimum Operating Current

120

TJ =25° C

100

80

60

40

20

0

0

2

4

6

8 10

REVERSE VOLTAGE (V)

Noise Voltage vs Frequency

10

IR = 200µ A

5.0

TJ =25° C

2.0

1.0

0.5

0.2

0.1

1

10 100 1k 10k 100k

FREQUENCY (Hz)

Ouput Impedance vs Frequency

1k

IR= 100mA

TJ =25° C, ∆IR= 0.1IR

100

CL= 0

10

CL= 1µF

TANTALUM

1

0.1

100

XCL

1k

10k

100k

1M

FREQUENCY (Hz)

Ouput Impedance vs Frequency

1k

IR= IRMIN+100µA

TJ =25° C, ∆IR= 0.1IR

CL= 0

100

10

CL= 1µF

TANTALUM

1

0.1

100

XCL

1k

10k

100k

1M

FREQUENCY (Hz)

Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723

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