MSC1202Y2RHHT datasheet(17/92 Pages) TI

17 / 92 page

MSC1200

MSC1201

MSC1202

SBAS317E − APRIL 2004 − REVISED MAY 2006

www.ti.com

TYPICAL CHARACTERISTICS: ALL DEVICES (Continued)

AVDD = +5V, DVDD = +5V, fOSC = 8MHz, PGA = 1, fMOD = 15.625kHz, ADC Bipolar Mode, Buffer ON, and VREF ≡ (REF IN+) − (REF IN−) = +2.5V, unless

otherwise specified.

DIGITAL SUPPLY CURRENT

vs DIGITAL SUPPLY VOLTAGE

Digital Supply Voltage (V)

2.5

3.5

4.5

5.5

3.0

4.0

5.0

−55_C

−40_C

+25

+85

+125

PGA = 128

DD =AVDD

REF =1.25V

ADCNORMALIZEDGAIN

vs PGA

PGA Setting

216

8128

101

100

External Reference

Buffer ON

External Reference

Buffer OFF

VOLTAGE REFERENCE INPUT CURRENT

vs PGA SETTING

PGA Gain

1128

REF =2.5V

MOD =62.5kHz

REF =1.25V

MOD =62.5kHz

REF =2.5V

MOD = 15.6kHz

REF = 1.25V

MOD = 15.6kHz

101.0

100.8

100.6

100.4

100.2

100.0

99.8

99.6

99.4

99.2

99.0

VOLTAGE REFERENCE CHANGE

vs ANALOG SUPPLY VOLTAGE

Analog Supply Voltage (V)

2.5 2.75 3.0 3.25 3.5 3.75 4.0 4.25 4.5 4.75 5.0 5.25

2.5V

1.25V

16.0

15.5

15.0

14.5

14.0

13.5

13.0

12.5

12.0

INTERNAL OSCILLATOR LOW−FREQUENCY MODE

vs TEMPERATURE

Temperature (

_C)

−60

120 140

−20

−40

100

5.25V

2.7V

3.3V

4.75V

INTERNAL OSCILLATOR HIGH−FREQUENCY MODE

vs TEMPERATURE

Temperature (

_C)

−60

120 140

−20

−40

100

5.25V

4.75V

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