ADAS1000-4BSTZ datasheet(21/80 Pages) AD

21 / 80 page

Data Sheet

ADAS1000-3/ADAS1000-4

Figure 29. VCM_REF vs. Temperature

Figure 30. Typical AVDD Supply Current vs. Temperature, Using Internal

ADVCDD/DVDD Supplies

Figure 31. Typical AVDD Supply Current vs. Temperature, Using Externally

Supplied ADVCDD/DVDD

Figure 32. Typical AVDD Supply Current vs. Temperature in Standby Mode

Figure 33. Typical AVDD Supply Current vs. AVDD Supply Voltage

Figure 34. Respiration with 200 mΩ Impedance Variation, Using Internal

Respiration Paths and Measured with a 0 Ω Patient Cable

TEMPERATURE (°C)

1.2970

1.2975

1.2980

1.2985

1.2990

1.2995

1.3000

1.3005

1.3010

–40

–20

AVDD = 3.3V

TEMPERATURE (°C)

12.20

12.25

12.30

12.35

12.40

12.45

12.50

–40

–20

AVDD = 3.3V

3 ECG CHANNELS ENABLED

INTERNAL LDO UTILIZED

HIGH PERFORMANCE/LOW NOISE MODE

TEMPERATURE (°C)

3.395

3.400

3.405

3.410

3.415

3.420

3.425

3.430

–40

–20

AVDD = 3.3V

3 ECG CHANNELS ENABLED

ADCVDD AND DVDD SUPPLIED EXTERNALLY

HIGH PERFORMANCE/LOW NOISE MODE

765

770

775

780

785

790

795

800

805

–40

–20

TEMPERATURE (°C)

AVDD = 3.3V

12.35

12.40

12.45

12.50

12.55

12.60

12.65

3.0

3.5

4.0

4.5

5.0

5.5

6.0

VOLTAGE (V)

LOW NOISE/HIGH

PERFORMANCE MODE

0.142925

0.142930

0.142935

0.142940

0.142945

0.142950

0.142955

TIME (Seconds)

AVDD = 3.3V

ECG PATH/DEFIB/CABLE IMPEDANCE = 0

Ω

PATIENT IMPEDANCE = 1k

Ω

RESPIRATION RATE = 10RESPPM

RESPAMP = 11 = 60µA p-p

RESPGAIN = 0011 = 4

Rev. B | Page 21 of 80

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