AD7616

Data Sheet

Rev. 0 | Page 44 of 50

INPUT RANGE REGISTERS

Input Range Register A1 and Input Range Register A2 select from one of the three possible input ranges (±10 V, ±5 V, or ±2.5 V) for

analog input Channel V0A to Channel V7A. Input Range Register B1 and Input Range Register B2 select from one of the three possible

input ranges (±10 V, ±5 V, or ±2.5 V) for analog input Channel V0B to Channel V7B.

INPUT RANGE REGISTER A1

Address: 0x04, Reset: 0x00FF, Name: Input Range Register A1

Table 23. Bit Descriptions for Input Range Register A1

Bits

Bit Name

Settings

Description

Reset

Access

[15:9]

Addressing

Bits[15:9] define the address of the relevant register. See the Addressing Registers

section for further details.

0x0

R/W

8

RESERVED

Reserved.

0x0

R/W

[7:6]

V3A

V3A voltage range selection.

0x3

R/W

00

V3A ± 10 V.

01

V3A ± 2.5 V.

10

V3A ± 5 V.

11

V3A ± 10 V.

[5:4]

V2A

V2A voltage range selection.

0x3

R/W

00

V2A ± 10 V.

01

V2A ± 2.5 V.

10

V2A ± 5 V.

11

V2A ± 10 V.

[3:2]

V1A

V1A voltage range selection.

0x3

R/W

00

V1A ± 10 V.

01

V1A ± 2.5 V.

10

V1A ± 5 V.

11

V1A ± 10 V.

[1:0]

V0A

V0A voltage range selection.

0x3

R/W

00

V0A ± 10 V.

01

V0A ± 2.5 V.

10

V0A ± 5 V.

11

V0A ± 10 V.

VA0 Voltage Range Selection

11: V0A+/-10V.

10: V0A+/-5V.

1: V0A+/-2.5V.

0: V0A+/-10V.

VA1 Voltage Range Selection

11: V1A+/-10V.

10: V1A+/-5V.

1: V1A+/-2.5V.

0: V1A+/-10V.

VA3 Voltage Range Selection

11: V3A+/-10V.

10: V3A+/-5V.

1: V3A+/-2.5V.

0: V3A+/-10V.

VA2 Voltage Range Selection

0: V2A+/-10V.

11: V2A+/-10V.

1: V2A+/-2.5V.

10: V2A+/-5V.

0

1

1

1

2

1

3

1

4

1

5

1

6

1

7

1

8

0

9

0

10

0

11

0

12

0

13

0

14

0

15

0

[15:9] Addressing (R/W)

[1:0] V0A (R/W)

[8] RESERVED

[3:2] V1A (R/W)

[7:6] V3A (R/W)

[5:4] V2A (R/W)