SM9503A

NIPPON PRECISION CIRCUITS INC.—5

Electrical Characteristics

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Operating supply voltage

1.2

–

3.6

V

Maximum operating current

1. Measured using the standard circuit.

–50

80

µA

Normal operating current

0.1mVrms input amplitude (differential

input),

–36–

µA

Standby mode current consumption

–

–

0.1

µA

Minimum input voltage range

IN1

–

0.3

1.0

µVrms

Maximum input voltage range

IN1

80

–

–

mVrms

Input frequency

IN1

−IN2 differential input

35

–

80

kHz

2. The time taken under stable wave input conditions from when power is applied or standby is released, using PON, until stable digital output occurs

within ratings.

When supply is applied

–

–

8

sec

From standby mode

–

–

8

sec

Input voltage

PON, HLDN

–

–

0.2

V

PON, HLDN

–

–

V

Input current

−1–

–

µA

–

–

1

µA

Output voltage

–

–

0.2

V

–

–

V

Gain hold time

≤ ± 3dB variation

1

–

–

sec

3. The time taken, with 10:1 input signal amplitude ratio and 500ms pulsewidth, from when a change in signal input occurs until the output OUT

changes. Note that this characteristic is very dependent on the antenna and crystal filter characteristics. The standard crystal used here has the fol-

lowing equivalent circuit coefficients.

FIN = 60kHz, NPC standard crystal,

NPC standard jig

–

–

160

ms

–

–

200

ms

(200ms)

4. Values obtained when using the NPC standard crystal employed here. Note that these values are dependent on the crystal characteristics, and

should be considered as reference values.

100

200

300

ms

(500ms)

400

500

650

ms

(800ms)

TBD

800

TBD

ms

(900ms)

TBD

900

TBD

ms

5. Time averaged rms values, where the noise is white noise and the measurement bandwidth is determined by the crystal filter equivalent used in the

standard circuit.

S/N

––9

dB

f [kHz]

60

TBD

TBD

TBD

TBD