Production Data

WM8141

WOLFSON MICROELECTRONICS LTD

PD Rev 3.0 October 2000

5

Test Conditions

°C, MCLK = 12MHz unless otherwise stated.

PARAMETER

SYMBOL

TEST

CONDITIONS

MIN

TYP

MAX

UNIT

VRLC/Reset-Level Clamp (RLC)

RLC switching impedance

50

Ω

VRLC short-circuit current

5mA

VRLC output resistance

2

Ω

VRLC Hi-Z leakage current

1

µA

RLCDAC resolution

4bits

RLCDAC step size, RLCDAC = 0

0.24

V/step

RLCDAC step size, RLCDAC = 1

0.16

V/step

RLCDAC output voltage at

code 0(hex), RLCDACRNG = 0

0.4

V

RLCDAC output voltage at

code 0(hex), RLCDACRNG = 1

0.25

V

RLCDAC output voltage at

code F(hex) RLCDACRNG, = 0

4.2

V

RLCDAC output voltage at

code F(hex), RLCDACRNG = 1

2.85

V

Offset DAC, Monotonicity Guaranteed

Resolution

8bits

Differential non-linearity

DNL

0.1

0.5

LSB

Integral non-linearity

INL

0.25

1

LSB

Step size

2.04

mV/step

Output voltage

Code 00(hex)

Code FF(hex)

-260

+260

mV

mV

Programmable Gain Amplifier

Resolution

8bits

Gain

]

0

:

7

[

PGA

283

208

−

V/V

Max gain, each channel

7.4

V/V

Min gain, each channel

0.74

V/V

Gain error, each channel

15

%

Supply Currents

Total supply current – active

45

65

mA

Total analogue supply current –

active

42

mA

Digital logic supply current,

DVDD1 – active

2mA

Digital I/O supply current,

DVDD2 – active

1mA

Supply current – full power down

mode

10

µA

Notes: 1.

Full-scale input voltage denotes the maximum amplitude of the input signal at the specified gain.

2.

Input signal limits are the limits within which the full-scale input voltage signal must lie.