WM5620LIN datasheet(5/14 Pages) WOLFSON

5 / 14 page

Wolfson Microelectronics

WM5620L, WM5620

Tot al Unad just ed Error

V DD = 5 V , V ref = 2.5 V , Range = x 1, TA = 25

O C

-0.5

-0.25

0.25

0.5

128

160 192

224 256

Input Co de

Electrical Characteristics: WM5620 & WM5620L (continued)

11 Reference feedthrough is measured at a DAC out-

put with an input code = 00 Hex with a VREF input = 1

Vdc + 1 VPP at 10kHz

12. Channel to channel isolation is measured at a DAC

output with an input code of one DAC to FF Hex and

the code oa all other DACs to oo Hex with a VREF

input = 1 Vdc + 1 Vpp at 10kHz

13 Setting time is the time for the output signal to remain

within ±0.5 LSB of the final measurement value for a

digital input code change of 00 Hex to FF Hex. For WM

5620: VDD = 5V, VREF = 2V and range = x 2. For

WM5620L: VDD = 3, VREF = 1.25V and range = x 2.

14 Reference bandwidth is the -3dB bandwidth with an

input at VREF = 1.25 Vdc =+ 2 Vpp with a digital input

code of full-scale

Parameter Measurement Information

DACA

DACB

DACC

DACD

10K

Ω

CL - 100pF

Typical DNL, INL and TUE * at VDD = 5 V

Typical Performance Characteristics

Slewing Settling Time and Linearity Measurements

* see note 2

Inte gral No nline arit y

V DD = 5 V , V ref = 2.5 V , Range = x 1, T A = 25

-0.2

-0.1

0.1

0.2

128

160

192

224

256

Input Code

D iff erential Nonlinearit y

V DD = 5 V , V ref = 2.5 V , Range x 1, TA= 25OC

-0.2

-0.1

0.1

0.2

128

160

192

224

256

Input Code

Dif ferent ial Nonlinearit y

V DD = 5 V , V ref = 2 V , Range = x 2, TA = 25

-0.2

-0.1

0.1

0.2

128

160

192

224

256

Input Code

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