REF3212,REF3220

REF3225,REF3230

REF3233,REF3240

SBVS058 −JUNE 2005

www.ti.com

3

ELECTRICAL CHARACTERISTICS

Boldface limits apply over the listed temperature range.

REF32xx

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

REF3212 (1.25V)

1.2475

1.25

1.2525

V

Initial Accuracy

−0.2

0.01

0.2

%

NOISE

Output Voltage Noise

f = 0.1Hz to 10Hz

17

Voltage Noise

f = 10Hz to 10kHz

24

REF3220 (2.048V)

2.044

2.048

2.052

V

Initial Accuracy

−0.2

0.01

0.2

%

NOISE

Output Voltage Noise

f = 0.1Hz to 10Hz

27

Voltage Noise

f = 10Hz to 10kHz

39

REF3225 (2.5V)

2.495

2.50

2.505

V

Initial Accuracy

−0.2

0.01

0.2

%

NOISE

Output Voltage Noise

f = 0.1Hz to 10Hz

33

Voltage Noise

f = 10Hz to 10kHz

48

REF3230 (3V)

2.994

3

3.006

V

Initial Accuracy

−0.2

0.01

0.2

%

NOISE

Output Voltage Noise

f = 0.1Hz to 10Hz

39

Voltage Noise

f = 10Hz to 10kHz

57

REF3233 (3.3V)

3.293

3.3

3.307

V

Initial Accuracy

−0.2

0.01

0.2

%

NOISE

Output Voltage Noise

f = 0.1Hz to 10Hz

43

Voltage Noise

f = 10Hz to 10kHz

63

REF3240 (4.096V)

4.088

4.096

4.104

V

Initial Accuracy

−0.2

0.01

0.2

%

NOISE

Output Voltage Noise

f = 0.1Hz to 10Hz

53

Voltage Noise

f = 10Hz to 10kHz

78