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DM632 Scheda tecnica(PDF) 8 Page - Silicon Touch Technology Inc.

Il numero della parte DM632
Spiegazioni elettronici  16-CHANNEL CONSTANT CURRENT LED DRIVER WITH PROGRAMMABLE PWM OUTPUTS
Download  25 Pages
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Produttore elettronici  SITI [Silicon Touch Technology Inc.]
Homepage  http://www.siti.com.tw
Logo SITI - Silicon Touch Technology Inc.

DM632 Scheda tecnica(HTML) 8 Page - Silicon Touch Technology Inc.

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點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC
.
新竹市科學園區展業一路9號7樓之1
9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C.
Tel:886-3-5645656
Fax:886-3-5645626
16-channel 16-bit PWM Constant Current LED Driver
Version:A.002
Page 7
未經授權而逕予重製、複製、使用或公開本文件,行為人得被追究侵權之相關民刑事責任
Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement.
DM632
Electrical Characteristics (VCC = 3.3 V, Ta = 25°C unless otherwise noted)
CHARACTERISTIC
SYMBOL
CONDITION
MIN.
TYP.
MAX.
UNIT
Input Voltage “H” Level
VIH
CMOS logic level
0.8VCC
VCC
Input Voltage “L” Level
VIL
CMOS logic level
GND
0.2VCC
V
Output Leakage Current
IOL
VOH = 17 V
±1.0
uA
VOL
IOL = 1.25 mA
0.2
Output Voltage (S-OUT)
VOH
IOH= 1.2 mA
VCC-0.4
V
Output Current Skew
(Channel-to-Channel)
*1
IOL1
±3
%
Output Current Skew
(Chip-to-Chip)
*2
IOL2
VOUT = 1.0 V
Rrext = 2.2 K
Ω
25.79
29.08
mA
Output Voltage Regulation
% / VOUT
Rrext = 2.2 K
Ω
VOUT = 1 V ~ 3 V
±0.1
±0.5
Supply Voltage Regulation
% / VCC
Rrext = 2.2 K
Ω
±1
±4
% / V
LED Open Detection Threshold
V(od)
all outputs turn on
0.3
V
IDD(off)
power on
all pins are open
unless VCC and GND
(fee-running mode)
3.8
IDD(off)
power on
all pins are open
unless VCC and GND
(external GCK mode)
3.39
IDD(on)
input signal is static
Rrext = 12.4 K
Ω
all outputs turn off
4.33
IDD(on)
input signal is static
Rrext = 2.2 K
Ω
all outputs turn off
6.54
Supply Current
*3
IDD(on)
input signal is static
Rrext = 560
Ω
all outputs turn off
15.10
mA
*1 Channel-to-channel skew is defined as the ratio between (any Iout – average Iout) and average Iout, where average
Iout = (Imax + Imin) / 2.
*2 Chip-to-Chip skew is defined as the range into which any output current of any IC falls.
*3 IO excluded.


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