16-bit Constant Current LED Driver with Error Detection

Version:A.002

Page 7

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DM13G

CHARACTERISTIC

SYMBOL

CONDITION

MIN.

TYP.

MAX.

UNIT

Input Voltage “H” Level

VIH

CMOS logic level

0.7VCC

⎯

VCC

Input Voltage “L” Level

VIL

CMOS logic level

GND

⎯

0.3VCC

V

Output Leakage Current

IOL

VOH = 17 V

⎯

⎯

±0.1

uA

VOL

IOL = 1.4 mA

⎯

⎯

0.2

Output Voltage (S-OUT)

VOH

IOH= 1.2 mA

VCC-0.2

⎯

⎯

V

Output Current Skew

(Channel-to-Channel)

*1

IOL1

⎯

±1

±3

%

Output Current Skew

(Chip-to-Chip)

*2

IOL2

VOUT = 1.0 V

Rrext = 3.9 K

Ω

⎯

±3

±6

%

Output Voltage Regulation

% / VOUT

Rrext = 3.9 K

Ω

VOUT = 1 V ~ 3 V

⎯

±0.1

±0.5

Supply Voltage Regulation

% / VCC

Rrext = 3.9 K

Ω

⎯

±1

±4

% / V

Differential Linearity

DLE

Rrext = 3.9 K

Ω

⎯

⎯

±1

LSB

LED Open Detection Threshold

V(od)

⎯

0.2

⎯

LED Short Detection Threshold

V(sd)

all outputs turn on

⎯

2/3VCC

⎯

V

Thermal Alarm Threshold

T(alm)

⎯

130

⎯

Thermal Shutdown Threshold

T(sht)

junction temperature

⎯

170

⎯

°C

power on

all pins are open

unless VCC and GND

⎯

1.2

⎯

input signal is static

Rrext = 3.9 K

Ω

all outputs turn off

⎯

6.4

⎯

input signal is static

Rrext = 3.9 K

Ω

all outputs turn on

⎯

7.1

⎯

input signal is static

Rrext = 900

Ω

all outputs turn off

⎯

24.7

⎯

input signal is static

Rrext = 900

Ω

all outputs turn on

⎯

25.3

⎯

mA

Supply Current

Sleep current

(steady state)

⎯

5

200

uA

where average Iout = (Imax + Imin) / 2.