AD7280ABSTZ datasheet(11/48 Pages) AD

11 / 48 page

AD7280A

Rev. 0 | Page 11 of 48

TYPICAL PERFORMANCE CHARACTERISTICS

5.5

4.9

5.0

5.1

5.2

5.3

5.4

–40

–20

100

TEMPERATURE (°C)

VDD = 8V

VDD = 10V

VDD = 22.5V

VDD = 29.9V

–40

–20

100

TEMPERATURE (°C)

SLAVE CURRENTS

MASTER CURRENTS

MASTER, VDD = 8V

MASTER, VDD = 10V

MASTER, VDD = 29.9V

SLAVE, VDD = 8V

SLAVE, VDD = 10V

SLAVE, VDD = 29.9V

Figure 4. VREG vs. Temperature for Different Supply Voltages,

VREG Connected to AVCC and DVCC

Figure 7. IDD During Cell Balancing vs. Temperature

for Different Supply Voltages

5.5

4.9

5.0

5.1

5.2

5.3

5.4

–40

–20

100

TEMPERATURE (°C)

VDD = 8V

VDD = 10V

VDD = 22.5V

VDD = 29.9V

–40

–20

100

TEMPERATURE (°C)

SLAVE CURRENTS

MASTER CURRENTS

MASTER, VDD = 8V

MASTER, VDD = 10V

MASTER, VDD = 29.9V

SLAVE, VDD = 8V

SLAVE, VDD = 10V

SLAVE, VDD = 29.9V

Figure 5. VREG vs. Temperature for Different Supply Voltages,

VREG Connected to AVCC and DVCC, 5 mA External Load

Figure 8. IDD During Software Power-Down vs. Temperature

for Different Supply Voltages

–40

–20

100

TEMPERATURE (°C)

SLAVE CURRENTS

MASTER CURRENTS

MASTER, VDD = 8V

MASTER, VDD = 10V

MASTER, VDD = 29.9V

SLAVE, VDD = 8V

SLAVE, VDD = 10V

SLAVE, VDD = 29.9V

10,000

8000

6000

4000

2000

2668

2667

2666

2665

2664

9149

2663

2662

386

460

2661

2660

CODE

Figure 6. IDD During Conversion vs. Temperature

for Different Supply Voltages

Figure 9. Histogram of Codes for 10,000 Samples,

Odd Cell Voltage Channels

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