ADNS-2051 Ver la hoja de datos (PDF) - Avago Technologies

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ADNS-2051

Optical Mouse Sensor

Avago Technologies 

DC Electrical Specifications

Electrical Characteristics over recommended operating conditions. Typical values at 25˚C, VDD = 5.0 V, 18 MHz.

Parameter

Symbol

Min.

Typ.

Max.

Units

Notes

DC Supply Current

IDD AVG

15

25

mA

(mouse moving)

No load on XA, XB, YA, YB,

SCLK, SDIO. Excluding LED

current.

Peak Supply Current

IDD PEAK

20

mA

(mouse moving)

No load on XA, XB, YA, YB,

SCLK, SDIO. Excluding LED

current.

DC Supply Current

IDD

12

25

mA

(mouse not moving)

No load on XA, XB, YA, YB,

SCLK, SDIO. Excluding LED

current.

DC Supply Current

IDDPD

170

240

µA

(power down)

PD = high; SCLK, SDIO = GND

or VDD; VDD = 4.25 V to 5.25 V.

SCLK, SDIO, PD

Input Low Voltage

VIL

0.8

V

Input High Voltage

VIH

0.5 * VDD

V

Output Low Voltage

VOL

0.7

V

@ IOL = 2 mA (SDIO only)

Output High Voltage

VOH

0.6 * VDD

V

@ IOH = 2 mA (SDIO only)

Output Low Voltage

(XA, XB, YA, YB)

VOL

0.4

V

@ IOL = 0.5 mA.

Output High Voltage

(XA, XB, YA, YB)

VOH

0.6 * VDD

V

@ IOH = 0.5 mA .

Output Low Voltage

(XY_LED)

VOL

1.1

V

Refer to Figure 11.

XY LED Current

ILED

Typ–15% 630/R1 Typ + 15% A

Refer to Figure 11, see table

below.

XY LED Current

(fault mode)

ILED

500

µA

R1 < 200 Ω.

REF_A (normal mode)

VREFA

3.3

V

1.5 KΩ to 3.0 V or GND,

PD = low.

REF_A (power down mode) VREFA

3.3

V

1.5 KΩ to 3.0 V or GND,

PD = high.

100

Typical LED Current Table

R1 Value

kΩ 15

18

22

27

33

37

80

LED current (typical) mA 42

35

29

23

19

17

60

40

20

R = 15 k

R = 30 k

0

0 0.5 1.0 1.5 2.0 2.5 3.0 3.5

VOL (V)

Figure 11. Typical I-V characteristic of ADNS-

2051 XY_LED pin

ADNS-2051 fig 11

11

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