Production Data

WM9701A

WOLFSON MICROELECTRONICS LTD.

PD Rev 3.2 January 2001

3

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Digital supply range

DVDD1, DVDD2

Note 1

-10%

3.3 to 5.0

+10%

V

Analogue supply range

AVDD1, AVDD2

Note 1

-10%

3.3 to 5.0

+10%

V

Digital ground

DVSS1, DVSS2

0

V

Analogue ground

AVSS1, AVSS2

0

V

Difference DVSS to AVSS

-0.3

0

+0.3

V

Analogue supply current

DVDD, AVDD = 5V

25

mA

Digital supply current

DVDD, AVDD = 5V

10

mA

Standby supply current (all PRs set)

DVDD, AVDD = 5V

30

µA

Analogue supply current

DVDD, AVDD = 3.3V

15

mA

Digital supply current

DVDD, AVDD = 3.3V

6

mA

Standby supply current (all PRs set)

DVDD, AVDD = 3.3V

20

µA

Note:

1.

Both supplies should be powered on and off at the same time.

ELECTRICAL CHARACTERISTICS

Test Conditions:

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Digital Logic Levels (DVDD = 3.3 or 5.0V)

Input LOW level

AVSS -0.3

0.8

V

Input HIGH level

2.2

AVDD +0.3

V

Output LOW

0.1

∗ VDD

V

Output HIGH

0.9

∗ VDD

V

Analogue I/O Levels (Input Signals on any Inputs, Outputs on LINEOUT L, R and MONO)

Input level

Minimum input

impedance = 10k

AVSS

-100mV

AVDD

+100mV

V

Output level

Into 10kohm load

AVSS

+100mV

Near rail to

rail

AVDD

-100mV

V

Reference Levels

Reference input/output

CAP2

2/5 AVDD

AVDD/2

3/5 AVDD

V

CAP2 impedance

75

kohms

Mixer reference

VREF

Buffered

CAP2

V

MIC reference

VREFOUT

Buffered

CAP2

V

MIDBUFF current sink

(pins VREF and VREFOUT)

AVDD = 5V

-5

-15

mA

MIDBUFF current source

(pins VREF and VREFOUT)

AVDD = 5V

5

15

mA

MIDBUFF current source

(pins VREF and VREFOUT)

AVDD = 3.3V

5

mA