MSC1200 datasheet(16/92 Pages) TI

16 / 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.

1.4

1.3

1.2

1.1

1.0

0.9

0.8

0.7

ANALOG SUPPLY CURRENT

vs ANALOG SUPPLY VOLTAGE

Analog 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

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

ADC POWER−SUPPLY CURRENT

vs PGA

PGA Setting

128

DD = 5V, Buffer = ON

DD = 5V, Buffer = OFF

DD = 3V, Buffer = ON

DD = 3V, Buffer = OFF

− 2

− 4

− 6

− 8

− 10

− 12

− 14

− 16

ADC OFFSET DAC:

OFFSET vs TEMPERATURE

Temperature (

_C)

−60 −40 −20

+20 +40

+60

+80 +100 +120 +140

1.00008

1.00006

1.00004

1.00002

0.99998

0.99996

0.99994

0.99992

ADC OFFSET DAC:

GAIN vs TEMPERATURE

Temperature (

_C)

− 60 −40 −20

+140

+20

+40

+60 +80 +100 +120

DIGITAL SUPPLY CURRENT

vs EXTERNAL CLOCK FREQUENCY

Clock Frequency (MHz)

100

0.1

DD =5V

Normal Mode

DD =3V

Normal Mode

DD =3V

Idle Mode

DD =5V

Idle Mode

DIGITAL SUPPLY CURRENT vs CLOCK DIVIDER

Clock Frequency (MHz)

110

100

0.1

1024

Divider Values

MSC1200 Datasheet(PDF) 16 Page - Texas Instruments

MSC1200 Datasheet(HTML) 16 Page - Texas Instruments

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