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Multirange inputs, serial 16-bit adcs, Table 6. range-select bits – Rainbow Electronics MAX1303 User Manual

Page 20

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MAX1302/MAX1303

8-/4-Channel, ±V

REF

Multirange Inputs,

Serial 16-Bit ADCs

20

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Table 6. Range-Select Bits

DIF/

SGL

R2

R1

R0

MODE

TRANSFER FUNCTION

0

0

0

0

No Range Change*

0

0

0

1

Single-Ended
Bipolar -V

REF

/4 to +V

REF

/4

Full-Scale Range (FSR) = V

REF

/ 2

Figure 12

0

0

1

0

Single-Ended
Unipolar -V

REF

/2 to 0

FSR = V

REF

/ 2

Figure 13

0

0

1

1

Single-Ended
Unipolar 0 to +V

REF

/2

FSR = V

REF

/ 2

Figure 14

0

1

0

0

Single-Ended
Bipolar -V

REF

/2 to +V

REF

/2

FSR = V

REF

Figure 12

0

1

0

1

Single-Ended
Unipolar -V

REF

to 0

FSR = V

REF

Figure 13

0

1

1

0

Single-Ended
Unipolar 0 to +V

REF

FSR = V

REF

Figure 14

0

1

1

1

DEFAULT SETTING
Single-Ended
Bipolar -V

REF

to +V

REF

FSR = 2 x V

REF

Figure 12

1

0

0

0

No Range Change**

1

0

0

1

Differential
Bipolar -V

REF

/2 to +V

REF

/2

FSR = V

REF

Figure 12

1

0

1

0

Reserved

1

0

1

1

Reserved

1

1

0

0

Differential
Bipolar -V

REF

to +V

REF

FSR = 2 x V

REF

Figure 12

1

1

0

1

Reserved

1

1

1

0

Reserved

1

1

1

1

Differential
Bipolar -2 x V

REF

to +2 x V

REF

FSR = 4 x V

REF

Figure 12

*Conversion-Start Byte (see Table 3).

**Mode-Control Byte (see Table 3).