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PixArt Imaging Inc.

PAC7640 Product Datasheet

Enhanced QE Global Shutter Image Sensor

Version 1.1 | 11 Sep 2015 | 41002EN

PixArt Imaging Inc. http://www.pixart.com

All rights reserved. Any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission.

4.2

Package Marking Identification

From package bottom view, the code marking printed in between ball row D to F and column 3 to 4 can be used to identify

datecode of production time.

Table 8. Code Identification

Code

Description

ABCD

AB = Datecode

CD = Reserved for PixArt reference

4.3

Sensor Array Overview

Table 9. Sensor Array Specification

Parameters

Symbol

Min.

Typ.

Max.

Unit

Notes

X Dimension

-

-

3421

-

μm

Y Dimension

-

-

3421

μm

Horizontal Array Count

-

-

400

-

pixel

Vertical Array Count

-

-

400

pixel

Pixel Size

-

-

3

-

μm

Package Body Thickness

-

-

-

675

μm

CSP Ball Height

-

-

-

160

μm

Shutter Efficiency

-

-

99.6

-

%

At 550 nm

-

-

99.5

-

%

At 940 nm

Sensitivity

-

-

7.5

-

V/lux-sec At 3100K (color temperature)

Quantum Efficiency

-

-

40.0

-

%

At 850 nm

-

-

18.2

-

%

At 940 nm

VDDAY

VPOS

VSSA

FOD_T

RI

SYS_

CLK

VDGND

A

1

2

3

4

5

6

VDD28

VDDRE

F_O

RESETB

FSYNC

RSV

I2C_

SCL

B

RSV

VDGND

VNEG

TEST1

TEST2

I2C_

SDA

C

RSV

VDD28

_MIPI

RSV

RSV

RSV

LED_

STRB

D

RSV

VCCTX

VDD15

_MIPI

VGND_

MIPI

VDD15

RSV

E

RSV

CLK_

TX_P

CLK_

TX_N

DATA_

TX_P

DATA_

TX_N

VDDIO

F

Top View (Bumps Down)

Sensor Array

1st pixel

readout

: image direction with lens mirror, flip

Figure 6. PAC7640LT CSP Package Overview