AR0130CSSC00SPBA0-DP1 datasheet(46/49 Pages) ONSEMI

46 / 49 page

AR0130CS/D Rev. 12,

1/16 EN

©Semiconductor Components Industries, LLC, 2016.

AR0130CS: 1/3-Inch CMOS Digital Image Sensor

Power-On Reset and Standby Timing

Power-Down Sequence

The recommended power-down sequence for the AR0130 is shown in Figure 32. The

available power supplies (VDD_IO, VDD, VDD_SLVS, VDD_PLL, VAA, VAA_PIX) must have

the separation specified below.

1. Disable streaming if output is active by setting standby R0x301a[2] = 0

2. The soft standby state is reached after the current row or frame, depending on config-

uration, has ended.

3. Turn off VDD_SLVS, if used.

4. Turn off VDD_IO.

5. Turn off VDD.

6. Turn off VAA/VAA_PIX.

7. Turn off VDD_PLL.

Figure 32:

Power Down

Note:

t4 is required between power down and next power up time; all decoupling caps from regulators

must be completely discharged.

Table 20:

Power-Down Sequence

Definition

Symbol

Minimum

Typical

Maximum

Unit

VDD_SLVS to VDD_IO

–

s

VDD_IO to VDD

–

s

VDD to VAA/VAA_PIX

–

s

VAA/VAA_PIX to VDD_PLL

–

s

PwrDn until Next PwrUp Time

100

–

V DD_IO (1.8/2.8)

t 0

EXTCLK

VDD_SLVS

VDD (1.8)

VAA_PIX

VAA (2.8)

VDD_PLL (2.8)

Power Down until next Power up cycle

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