Advanced Monolithic Systems, Inc.

6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140

AMS124

ABSOLUTE MAXIMUM RATINGS (Note 1)

Reverse Current

5mA

Storage temperature

-65

°C to +150°C

Forward Current

10mA

Lead Temperature

SOT-23 Package

0.28W

SOT-23 packages:

Thermal Resistance (

θ

Vapor phase (60 sec)

215

°C

SOT-23 Package

410

°C/W

Infrared (15 sec.)

220

°C

ELECTRICAL CHARACTERISTICS

µA and T

Parameter

Conditions

AMS124A

Min.

Typ.

Max.

AMS124B

Min.

Typ.

Max.

Units

Output Voltage

1.220

1.235

1.250

1.220

1.235

1.250

V

Output Impedance

0.6

2

0.6

2

Ω

RMS Noise Voltage

10Hz

≤ f ≤ 10kHz

5

5

µV

rms

Temperature Coefficient

50

100

ppm/

°C

Turn-On Settling

15

15

µsec

Operating Current

(Note 3)

0.05

4

0.05

4

mA

Electrical Characteristics

µA.

TYPICAL APPLICATIONS

Shunt Regulator

Precision 1

µµA to 1mA Current Sources

AMS124

I

Q

I

I

L

R

S

V

R

V

S

8

4

3

2

+

-

1/2

LMC6062

1

AMS124

R2

R1

20k

-15V

-1.0V TO -12V

I

8

4

3

2

+

-

1/2

LMC6062

1

R2

R1

20k

12V

1.0V TO 12V

I

AMS124