PCA1673U 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

生产厂家

PCA1673U

32 kHz watch circuits using a silver-oxide or a 3 V lithium battery

Philips Electronics 

Philips Semiconductors

32 kHz watch circuits using a silver-oxide

or a 3 V lithium battery

Product specification

PCA167x series

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX. UNIT

Motor output

Vsat

saturation voltage Σ (P + N)

RL = 2 kΩ;

−

150

200

mV

Tamb = −10 to +60 °C

Rsc

short-circuit resistance Σ (P + N) Itransistor < 1 mA

−

200

300

Ω

tT

cycle time

note 1

tP

pulse width

note 2

Oscillator

VOSC ST

gm

tosc

∆f/f

Ci

Co

starting voltage

transconductance

start-up time

frequency stability

input capacitance

output capacitance

Vi(p-p) = 50 mV

∆VDD = 100 mV

1.2 −

−

V

6

15

−

µS

−

1

−

s

−

0.05 × 10−6 0.3 × 10−6

−

3

−

pF

19

24

29

pF

Reset input

fo

∆Vo

tedge

Iim

Ii(av)

output frequency

output voltage swing

edge time

peak input current

average input current

−

32

−

Hz

R = 1 MΩ; C = 10 pF 1.4 −

−

V

R = 1 MΩ; C = 10 pF −

1

−

µs

note 3

−

320

−

nA

−

10

−

nA

Test mode

tT1

cycle time

tDEB

debounce time

RESET = VDD

−

31.25

−

ms

14.7 −

123.2

ms

Notes

1. Cycle time can be changed to one of the following values: 1, 5, 10, 12 or 20 s (see Chapter “Available types”).

2. Pulse width can be varied from 2 ms to 15.7 ms in steps of 1 ms (see Chapter “Available types”).

3. Duty factor is 1 : 32 and RESET = VDD or VSS.

1998 Apr 03

5

Share Link: