3

SP5669

ELECTRICAL CHARACTERISTICS (cont.)

T amb = –20

°C to 80 °C, V

by either production test or design. They apply within the specified ambient temperature and supply voltage ranges unless

otherwise stated.

Characteristics

Pin

Value

Units

Conditions

Min

Typ

Max

SDA, SCL

5, 6

Input High voltage

3

5.5

V

Input Low voltage

0

1.5

V

Input High current

10

µA

Input voltage = V

CC

Input Low Current

–10

µA

Input voltage = V

EE

LeakageCurrent

10

µAV

Input hysteresis

0.8

V

SDA Output voltage

5

0.4

V

I sink = 3mA

Charge pump output current

1

See Fig. 6, V pin = 2V

Charge pump output leakage

1

± 3

± 10

nA

V pin1 = 2V

Charge pump drive output

current

16

1

mA

V pin16 = 0.7V

Drive output saturation

voltage when disabled

16

350

mV

External reference input

frequency

2

2

20

MHz

AC coupled sinewave

External reference input

ampltude

2

200

500

mV p–p

AC coupled sinewave

Crystal frequency

2

4

16

MHz

Crystal oscillator drive level

2

35

mV p–p

Recommended crystal series

resistance

10

200

Ω

Applies to 4MHz crystal only.

‘Parallel resonant’ crystal. Figure

quoted is under all conditions

including start up.

Crystal oscillator negative

resistance

2

400

Ω

Includes temperature and

process tolerances.

REF/COMP output

3

Voltage

350

mV p–p

AC coupled output. Output

enabled,RE=1. See Note 1.

Comparison frequency

2

MHz

Equivalent phase noise at

phase detector

–148

dBC/Hz

6kHz loop BW, phase comparator

freq 250kHz. Figure measured @

1kHz offset, SSB (within loop

band width).

RF division ratio

240

131071

Prescaler disabled, PE = 0

480

262142

Prescaler enabled, PE = 1

Reference division ratio

See Fig. 3

Output ports P0, P1, P2, P3

7,8,9,

10

Sink current

10

mA

V port = 0.7V

Leakage current

10

µA

V port = 13.2V

ADC input voltage

11

See Table 4, Fig 4

ADC input current

11

±10

µAV

CC

≥ V input ≥ V

EE

Address input current High

4

1

mA

Input voltage =V

CC

Address input current Low

4

–0.5

mA

Input voltage =V

EE

Note 1: If the REF/COMP output is not used, the output should be left open circuit or connected to V

setting RE=0.