6

WL800

ELECTRICAL CHARACTERISTICS (continued)

These characteristics are guaranteed over the following conditions (unless otherwise stated):

T

= 2.7V to 3.6V

Characteristic

Value

Unit

Condition

MIN

TYP

MAX

MOD. CURRENT INPUT

Mod current set pin current

25

µA

Set by external resistor on pin 7.

R = 47k

COMPENSATION CAP PIN

Compensation current

-25

µA

Set by external resistor on

pin 7. R=47k.

Compensation current matching

2

%

Compensation capacitor 8.2nF

Compensation capacitor voltage

CPRef -

CPRef

CPRef

V

Receive mode

0.02

+0.02

Compensation capacitor voltage

88

98

+110

mV

1 MHz data, 32bits ‘0’

-120

-98

-88

mV

1 MHz data, 32bits ‘1’

VCAP CHARGE

Settling Time

100

µs

Receive mode

Charging Current

20

mA

Receive mode.

Vcap initially at 0 V.

Offset Voltage

15

mV

Receive mode.

COMPENSATION VtoI

(CAPBUFFER+RCOMP)

Compensation current into Loop

+52.08

nA

Per 1us of databit 0

Filter

-52.08

nA

Per 1us of databit 1

Max. Compensation current

1.666

mA

for 32 bits(1) at 1MHz

CAPACITOR BUFFER

Offset Voltage

15

mV

External Resistor RCOMP

58000

Ohms

Note: 1. Standby to operate time refers to the time for internal current references to become operational.