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Typical operating characteristics, Timing characteristics (continued) – Rainbow Electronics MAX6964 User Manual

Page 4

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MAX6964

17-Output LED Driver/GPO
with Intensity Control

4

_______________________________________________________________________________________

PORT OUTPUT LOW VOLTAGE WITH 50mA

LOAD CURRENT vs. TEMPERATURE

PORT OUTPUT LOW VOLTAGE V

OL

(V)

0.1

0.2

0.3

0.4

0.5

0.6

0

MAX6964 toc04

TEMPERATURE (°C)

110

95

65 80

-10 5

20 35 50

-25

-40

125

V+ = 3.6V

V+ = 2.7V

V+ = 2V

PORT OUTPUT LOW VOLTAGE WITH 20mA

LOAD CURRENT vs. TEMPERATURE

MAX6964 toc05

TEMPERATURE (°C)

PORT OUTPUT LOW VOLTAGE V

OL

(V)

110

95

80

65

50

35

20

5

-10

-25

0.1

0.2

0.3

0.4

0.5

0.6

0

-40

125

ALL OUTPUTS LOADED

V+ = 3.6V

V+ = 2.7V

V+ = 2V

PWM CLOCK FREQUENCY

vs. TEMPERATURE

MAX6964 toc06

TEMPERATURE (°C)

PWM CLOCK FREQUENCY (kHz)

110

95

80

65

50

35

20

5

-10

-25

-40

125

V+ = 3.6V

V+ = 2.7V

V+ = 2V

0.925

0.950

0.975

1.000

1.025

1.050

0.900

NORMALIZED TO V+ = 3.3V, T

A

= 25°C

STANDBY CURRENT vs. TEMPERATURE

MAX6964 toc01

TEMPERATURE (°C)

STANDBY CURRENT (

µ

A)

110

95

65 80

-10 5

20 35 50

-25

1

2

3

4

5

6

7

8

9

10

0

-40

125

V+ = 3.6V
PWM ENABLED

V+ = 2.7V
PWM ENABLED

V+ = 2V
PWM DISABLED

V+ = 2.7V
PWM DISABLED

V+ = 3.6V
PWM
DISABLED

V+ = 2V
PWM ENABLED

SUPPLY CURRENT vs. TEMPERATURE

(PWM DISABLED; f

SCL

= 400kHz)

MAX6964 toc02

TEMPERATURE (°C)

SUPPLY CURRENT (

µ

A)

110

95

65 80

-10 5

20 35 50

-25

10

20

30

40

50

60

70

0

-40

125

V+ = 3.6V

V+ = 2.7V

V+ = 2V

5

10

15

20

25

30

35

40

45

50

55

60

65

70

0

SUPPLY CURRENT vs. TEMPERATURE

(PWM ENABLED; f

SCL

= 400kHz)

MAX6964 toc03

TEMPERATURE (°C)

SUPPLY CURRENT (

µ

A)

110

95

65 80

-10 5

20 35 50

-25

-40

125

V+ = 3.6V

V+ = 2.7V

V+ = 2V

__________________________________________Typical Operating Characteristics

(T

A

= +25°C, unless otherwise noted.)

TIMING CHARACTERISTICS (continued)

(Typical Operating Circuit, V+ = 2V to 3.6V, T

A

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at V+ = 3.3V, T

A

= +25°C.)

(Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Capacitive Load for Each Bus Line

C

b

(Note 3)

400

pF

RST Pulse Width

t

W

1

ns

Output Data Valid

t

DV

Figure 10

5

ns

Note 1: All parameters tested at T

A

= +25°C. Specifications over temperature are guaranteed by design.

Note 2: A master device must provide a hold time of at least 300ns for the SDA signal (referred to V

IL

of the SCL signal) to bridge

the undefined region of SCL’s falling edge.

Note 3: Guaranteed by design.
Note 4: C

b

= total capacitance of one bus line in pF. t

R

and t

F

measured between 0.3 x V

DD

and 0.7 x V

DD

.

Note 5: I

SINK

≤ 6mA. C

b

= total capacitance of one bus line in pF. t

R

and t

F

measured between 0.3 x V

DD

and 0.7 x V

DD

.

Note 6: Input filters on the SDA and SCL inputs suppress noise spikes less than 50ns.