WM2331CDTSLASHV datasheet(18/25 Pages) WOLFSON

Teilenummer	WM2331CDT/V

Bauteilbeschribung	10-bit 30MSPS ADC with PGA and Clamp

PDF	25 Pages

Scroll/Zoom	100%

Hersteller	WOLFSON [Wolfson Microelectronics plc]

Direct Link	http://www.wolfsonmicro.com

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18 / 25 page

WM2331

Production Data

WOLFSON MICROELECTRONICS LTD

PD Rev 1.4 April 2001

BIT NO

BIT NAME(S)

DEFAULT

DESCRIPTION

Clamp Register 1

DIO[9:8] = 00

7:0

DAC[7:0]

Clamp DAC voltage

(DAC[0] = LSB.)

DAC[9:0] = 00h: Clamp voltage = REFBF

DAC[9:0] = 3Fh: Clamp voltage = REFTF

7:2

Unused

Clamp Register 2

DIO[9:8] = 01

1:0

DAC[9:8]

Clamp DAC voltage

(DAC[9] = MSB)

2:0

PGA[2:0]

001

PGA gain:

000 = 0.5

001 = 1.0

010 = 1.5

011 = 2.0

100 = 2.5

101 = 3.0

110 = 3.5

111 = 4.0

3PDWN

Power down

0 = WM2331 powered up

1 = WM2331 powered down

4CLINT

Clamp voltage internal/external

0 = external analogue clamp voltage from CLAMPIN pin.

1 = from on-chip DAC (see Clamp Register)

5TWOC

Output format

0 = unsigned binary

1 = two’s complement

6CLDIS

Clamp Amplifier Disable (for power saving)

0 = Enable

1 = Disable

Control Register

DIO[9:8] = 10

Unused

Table 4 Register Contents

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