ZSC31050

Advanced Differential Sensor Signal Conditioner

Data Sheet

July 7, 2013

© 2013 Zentrum Mikroelektronik Dresden AG

— Rev. 1.12

All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior

written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.

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1.3.1.

Cycle Rate versus Analog-to-Digital Conversion (ADC) Resolution

The following specifications are guaranteed by design and/or quality observations.

Table 1.4

Cycle Rate versus ADC Resolution

ADC Order

Resolution

[Bit]

[Hz]

[Hz]

1

9

1302

1465

10

781

879

11

434

488

12

230

259

13

115

129

14

59

67

2

11

3906

4395

12

3906

4395

13

1953

2197

14

1953

2197

15

977

1099

1.3.2.

PWM Frequency

The following specifications are not measured in mass production; they are guaranteed by design and/or quality

observations.

Table 1.5

PWM Frequency

PWM

Resolution

PWM Freq. in Hz at 2 MHz Clock

1

PWM Freq./Hz at 2.25 MHz Clock

2

Clock Divider

Clock Divider

1

0.5

0.25

0.125

1

0.5

0.25

0.125

9

3906

1953

977

488

4395

2197

1099

549

10

1953

977

488

244

2197

1099

549

275

11

977

488

244

122

1099

549

275

137

12

488

244

122

61

549

275

137

69

1.

Internal RC oscillator: coarse adjustment to 1, 2 and 4 MHz, fine-tuning +/- 25%; external clock is also possible.

2.

Internal RC oscillator: coarse adjustment to 1.125, 2.25 and 4.5 MHz, fine-tuning +/- 25%; external clock is also possible.