MAX6947ATE datasheet(3/24 Pages) MAXIM

Part #	MAX6947ATE

Description	10-Port, Constant-Current LED Driver and I/O Expander with PWM Intensity Control

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Manufacturer	MAXIM [Maxim Integrated Products]

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10-Port, Constant-Current LED Driver and

I/O Expander with PWM Intensity Control

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(VDD = 2.25V to 3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VDD = 3.3V, TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input High Voltage

(P0–P9, SDA, SCL, RST, AD0, OSC)

VIH

P0–P9: output register set to 0x01

0.7

x VDD

V

Input Low Voltage

(P0–P9, SDA, SCL, RST, AD0, OSC)

VIL

P0–P9: output register set to 0x01

0.3

x VDD

V

Input Leakage Current

(P0–P9, SDA, SCL, RST, AD0, OSC)

IIH, IIL

-0.2

+0.2

µA

Input Capacitance

(P0–P9, SDA, SCL, RST, AD0, OSC)

10

pF

TA = +25°C

9.3

10

10.5

TA = TMIN to +85°C

16-pin TQFN

9.1

11.0

10mA Port Nominal Sink Constant

Current (P0–P9)

IOUT

Output register set to 0x02,

VDD = 3.3V,

VEXT - VLED = 1V (Note 3)

TA = TMIN to +85°C

16-bump WLP

9.0

11.0

mA

TA = +25°C

19.00

20

21.12

TA = TMIN to +85°C

16-pin TQFN

18.6

21.8

20mA Port Nominal Sink Constant

Current (P0–P9)

IOUT

Output register set to 0x02,

VDD = 3.3V,

VEXT - VLED = 1V (Note 3)

TA = TMIN to +85°C

16-bump WLP

18.4

22.0

mA

TA = +25°C, VDD = 3.3V, VP0 to VP9 = 1.4V,

IOUT = 20mA

±2.0

±4.0

Port Sink Constant-Current

Matching

ΔIOUT

TA = +25°C, VDD = 3.3V, VP0 to VP9 = 1.4V,

IOUT = 10mA

±2.0

±5.0

%

Port Logic Output Low Voltage

(P0–P9)

VOLP_

Output register set to 0x00,

ISINK = 0.5mA

0.5

V

Port Logic Output Low

Short-Circuit Current (P0–P9)

Output register set to 0x00,

VOLP_ = 5V

10

mA

Port Slew Time

From 20% current to 80% current

2

µs

Output Low Voltage

(SDA)

VOLSDA

ISINK = 6mA

300

mV

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