SP7682 EXAR [Exar Corporation], SP7682 Datasheet - Page 3

no-image

SP7682

Manufacturer Part Number
SP7682
Description
Backlight and Flash Driver in QFN 3mm x 3mm
Manufacturer
EXAR [Exar Corporation]
Datasheet
Note 1: All parameters tested at T
Note 2: Guaranteed by design.
Note 3: Cb = total capacitance of one bus line in pF. t
Note 4: I
Note5: Input filters on the SDA and SCL inputs suppress noise spikes less than 50ns.
Sept 27-07 rev G
PARAMETER
Serial Clock Frequency
Bus Free Time Between a STOP and a
START
Hold Time, Repeated START Condition
Repeated START Condition Setup Time
STOP Condition Setup Time
Data Hold Time
Input Data Hold Time
Data Setup Time
SCL Clock Low Period
SCL Clock High Period
Rise Time of Both SDA and SCL
Signals, receiving
Fall Time of Both SDA and SCL
Signals, Receiving
Fall Time of SDA Transmitting
Pulse Width of Spike Suppressed
Capacitive Load for Each Bus Line
I²C startup time after UVLO clears
PARAMETER
SET_BL, SET_FL logic low threshold
SET_BL, SET_FL logic high threshold
SET_BL, SET_FL logic low time
SET_BL, SET_FL logic high time
SET_BL shutdown delay
SET_FL shutdown delay
SINK
≤6mA. Cb =total capacitance of one bus line in pF. t
SP7682A: SINGLE LINE PROGRAMMABLE SERIAL INTERFACE SPECIFICATIONS
A
=25 °C. Specifications over temperature are guaranteed by design.
SP7682: Backlight and Flash Driver
Page 3
SYMBOL
t
HD,DAT(OUT)
t
HD,DAT(IN)
t
SYMBOL
t
t
t
HD_STA
SU,STO
SU,DAT
SU,STA
t
t
t
f
t
HIGH
t
LOW
Cb
F.TX
t
SCL
BUF
SRT
t
t
t
t
SP
SHDN
SHDN
R
F
V
V
t
t
LO
HI
IL
IH
R
and t
MIN
1.6
0.5
F
225
325
0.1Cb
0.1Cb
0.1Cb
MIN
20+
20+
20+
400
225
100
1.3
0.6
0.6
0.6
1.3
0.6
measured between 0.3 x VDD and 0.7 x VDD.
0
0
1
R
and t
TYP
500
500
0.4
0.5
TYP
F
measured between 0.3 x V
MAX
250
800
700
MAX
400
900
900
300
300
250
400
50
1
UNITS
µs
µs
µs
µs
V
V
UNITS
© 2007 Exar Corporation
kHz
µs
µs
µs
µs
ns
µs
µs
ns
pF
µs
ns
ns
ns
ns
ns
CONDITIONS
V
V
V
V
SET_BL
SET_BL
SET_BL
SET_FL
I
2
CONDITIONS
C SPECIFICATIONS
(Note2, 3, 4)
(Notes2, 3)
(Note2, 3)
< 0.4V
> 1.6V
< 0.4V
< 0.4V
(Note 2)
(Note 2)
(Note5)
DD
and 0.7 V
DD
.

Related parts for SP7682