EM1537 参数 Datasheet PDF下载

R

EM1537

Electrical Characteristics 3.0 Volt

Vp = 3.0 V; Vss = 0 V; Ta = 25 °C; fq = 32768 Hz; Quartz crystal Rs = 30 kΩ; Motor coil resistance Rm = 2 kΩ; Supply

source resistor Ri = 10

Ω;

unless otherwise specified.

Parameter

Supply

Supply voltage range

Supply voltage drop during

Motorpulse

Mean dynamic current

Mean current consumption

Mean current consumption

in variation with Rq of quartz

Oscillator

Transconductance

Starting voltage

Starting time

Stability df/f*dVp

Input capacitance

Output capacitance

Trimmer capacitance

Motordrivers

Voltage across Motor

Symbol

Vp

dVp

Idyn

In

dIn/dRq

Without motor and quartz

32 kHz 900mVpp sinus wave,

forced on OSCIN/OSCOUT, TEST

open

With quartz, without motor,

MTEST open, Ctr = 12 pF

120

200

2.6

Conditions

Min

1.8

Typ

3.0

Max

3.6

0.7

250

350

Unit

V

V

nA

nA

nA/kΩ

Gm

Vst

Tst

Cin

Cout

Ctr

Vmot

Vp = 1.2 V, Vpp = 300 mV sinus

Within 10 seconds

Between 1.4 V and 1.6 V

C = nominal value

C = nominal value

2.5

1.8

15

1

2

1.5

5

C +/- (0.1C + 0.5)

C +/- (0.1C + 0.5)

3

30

2.69

1.97

2.35

2.21

1.62

1.64

2.84

2.08

2.40

2.56

1.87

1.80

215

40

31.25

2.6

70

7.81

10

200

62.5

250

23.43

50

umho

V

sec

ppm/V

pF

pF

pF

V

V

V

V

V

Ω

ns

ms

Vpp

nA

ms

nA

Short circuit impedance

Rise and Fall time

MTEST Input/Output

Debounce delay

Amplitude

Mean current

Rsc

Vp = 3.0 V, Rm = 2 kΩ

Vp = 2.2 V, Rm = 2 kΩ

Ri = 300

Ω,

Rm = 2 kΩ,

T = - 10 to + 60 °C

Vp = 3.0 V, Rm = 640

Ω

Vp = 2.2 V, Rm = 640

Ω

Ri = 300

Ω,

Rm = 640

Ω,

T = - 10 to + 60 °C

Between motor pulses 100 mV

applied between MOT1 and MOT2

From 90% Vp to 10% Vn

Ttst

Vtst

Itst

30 pF // 1 MΩ load

Pulled to Vpp, ftst = 512 Hz

RESET Input

Debounce delay

Ts

Input current after delay Ts *

Is

Pulled to Vp

* average input current (modulated by a frequency of 64 Hz)

Copyright

©

2006, EM Microelectronic-Marin SA

10/06 – rev.A

4

www.emmicroelectronic.com