μPD8827B - Renesas Electronics

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April 1st, 2010
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DATA SHEET
MOS INTEGRATED CIRCUIT
μPD8827B
7500 PIXELS × 3 COLOR CCD LINEAR IMAGE SENSOR
DESCRIPTION
The μPD8827B is a high-speed and high sensitive color CCD (Charge Coupled Device) linear image sensor which
changes optical images to electrical signal and has the function of color separation. The μPD8827B has the high
speed voltage amplifiers and the high speed registers. In addition, the positioning error, which occurs when some
manuscripts are fed, is small since the RGB pixel line space is also small (2 lines). So, it is possible that the image of
the high density is read at high speed. Therefore, it is suitable for 600 dpi/A3 high-speed color digital copiers, color
scanners and so on, by the use of the plastic package with heat sink that has high heat radiation.
FEATURES
• Valid photocell
: 7500 pixels × RGB 3 lines
• Photocell’s size
: 9.325 μ m
• Line spacing
: 18.65 μ m (2 lines) Red line - Green line, Green line - Blue line
• Color filter
: Primary colors (red, green and blue), Pigment filter
Light resistance 107 lx•hour with standard sunlight and ultraviolet cut filter (L40)
• On-chip micro lens : Stripe type lens on RGB pixel rows
• Resolution
: 24 dot/mm
• Data rate
: 70 MHz Max. (35 MHz/ch max.)
A3 (297 × 420 mm) size (shorter side)
• Output type
: 2 outputs in phase
• Power supply
: +10 V
• Drive clock level
: CMOS output under 5 V operation
• On-chip circuits
: Reset feed-through level clamp circuits
Voltage amplifiers
ORDERING INFORMATION
Part Number
Package
μ PD8827BCZ-A
CCD linear image sensor 40-pin plastic DIP with heat sink (15.24 mm (600))
Remark
"-A" indicates Pb-free (This product does not contain Pb in external electrode and other parts).
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. S20022EJ1V1DS00 (1st edition)
Date Published March 2010 NS
Printed in Japan
The mark <R> shows major revised points.
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.
2009
μ PD8827B
BLOCK DIAGRAM
VOD1
φCP
φ2L
GND
φ1BO
φ2AO
φ2A
φ1B
GND
35
34
33
32
31
29
28
26
5
25
VDD
VOUT2
(Blue-even)
37
CCD analog shift register (even)
14
Transfer gate 2
VOUT1
(Blue-odd)
38
φTG2
CCD analog shift register (odd)
⋅⋅⋅
D134
D129
Photocell
(Blue)
S7500
⋅⋅⋅
S7499
S2
⋅⋅⋅
S1
39
VDD
D128
D27
Transfer gate 1
16
40
VOUT3
(Green-odd)
VDD
CCD analog shift register (odd)
⋅⋅⋅
D134
D129
Photocell
(Green)
S7500
⋅⋅⋅
S7499
S2
S1
⋅⋅⋅
D128
D27
Transfer gate 1
15
Transfer gate 1
1
⋅⋅⋅
D134
D129
Photocell
(Red)
S7500
⋅⋅⋅
S7499
S2
⋅⋅⋅
S1
2
D27
VDD
GND
CCD analog shift register (even)
D128
VOUT4
(Green-even)
27
Transfer gate 1
VOUT5
(Red-odd)
3
φTG1
CCD analog shift register (odd)
Transfer gate 2
VOUT6
(Red-even)
4
CCD analog shift register (even)
11
VOD2
36
2
30
HS-VDD
6
7
8
9
10
12
13
φR
φ2L
GND
φ2BO
φ1AO
φ1A
φ2B
Data Sheet S20022EJ1V1DS
μ PD8827B
PIN CONFIGURATION (Top View)
CCD linear image sensor 40-pin plastic DIP with heat sink (15.24 mm (600))
1
1
1
40
Output signal 3(Green odd)
VDD
39
Digital power supply
VOUT5
VOUT1
38
Output signal 1(Blue odd)
4
VOUT6
VOUT2
37
Output signal 2(Blue even)
Output unit drain voltage 1
5
VOD1
VOD2
36
Output unit drain voltage 2
Reset gate clock
6
φR
φCP
35
Reset feed through level clamp clock
Last stage shift register clock 2L
7
φ2L
φ2L
34
Last stage shift register clock 2L
Ground
8
GND
GND
33
Ground
Shift register clock 2BO
9
φ2BO
φ1BO
32
Shift register clock 1BO
Shift register clock 1AO
10
φ1AO
φ2AO
31
Shift register clock 2AO
Heat sink Vdd
11
HS-VDD
HS-VDD
30
Heat sink Vdd
Shift register clock 1A
12
φ1A
φ2A
29
Shift register clock 2A
Shift register clock 2B
13
φ2B
φ1B
28
Shift register clock 1B
Transfer gate clock 2
14
φTG2
φTG1
27
Transfer gate clock 1
Ground
15
GND
GND
26
Ground
Digital power supply
16
VDD
VDD
25
Digital power supply
NC
17
NC
NC
24
NC
NC
18
NC
NC
23
NC
NC
19
NC
NC
22
NC
NC
20
NC
NC
21
NC
1
VOUT4
Digital power supply
2
VDD
Output signal 5(Red odd)
3
Output signal 6(Red even)
Red
Blue
Green
VOUT3
Output signal 4(Green even)
7500
7500
7500
Data Sheet S20022EJ1V1DS
3
μ PD8827B
1 μm
On-chip lens
(Stripe type)
8.325 μm
9.325 μm
PHOTOCELL STRUCTURE DIAGRAM
Aluminum shield
LINE SPACE
9.325 μm
Blue
2 line
(18.65 μm)
9.325 μm
Green
2 line
(18.65 μm)
9.325 μm
4
Red
Data Sheet S20022EJ1V1DS
μ PD8827B
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Ratings
Unit
Output drain voltage
VOD1, VOD2
–0.3 to +12.0
V
Digital power supply
VDD
–0.3 to +12.0
V
Heat sink VDD
HS-VDD
–0.3 to +12.0
V
Shift register clock voltage
Vφ1, Vφ2 ,Vφ10, Vφ20
–0.3 to +8.0
V
Last stage shift register clock voltage
Vφ 2L
–0.3 to +8.0
V
Reset gate clock voltage
Vφ R
–0.3 to +8.0
V
Reset feed-through level clamp clock voltage
Vφ CP
–0.3 to +8.0
V
Transfer gate clock voltage
Vφ TG1, Vφ TG2
–0.3 to +8.0
V
TA
0 to +60
˚C
Tstg
–40 to +100
˚C
Operating ambient temperature
Note
Storage temperature
Note
The operating ambient temperature TA is defined as an atmosphere temperature in a point 10 mm away on the
circuit board, and 10 mm away from the short side of package (pin 1 side). Refer to below figure. Use it at the
condition without dewy condensation.
1pin
TA
10mm
10mm
Caution
Product quality may suffer if the absolute maximum rating is exceeded even momentarily for any
parameter. That is, the absolute maximum ratings are rated values at which the product is on the
verge of suffering physical damage, and therefore the product must be used under conditions that
ensure that the absolute maximum ratings are not exceeded.
Data Sheet S20022EJ1V1DS
5
μ PD8827B
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
MIN.
TYP.
MAX.
Unit
Output drain voltage
VOD1, VOD2
9.7
10.0
10.3
V
Digital power supply
VDD
9.7
10.0
10.3
V
Heat sink VDD
HS-VDD
9.7
10.0
10.3
V
Shift register clock high level
Vφ 1H, Vφ 2H, Vφ 10H, Vφ 20H
4.75
5.0
6.0
V
Shift register clock low level
Vφ 1L, Vφ 2L, Vφ 10L, Vφ 20L
-0.3
0.0
0.5
V
Last stage shift register clock high level
Vφ 2LH
4.75
5.0
6.0
V
Last stage shift register clock low level
Vφ 2LL
-0.3
0.0
0.5
V
Reset gate clock high level
Vφ RH
4.75
5.0
5.5
V
Reset gate clock low level
Vφ RL
-0.3
0.0
0.5
V
Reset feed-through level clamp clock high level
Vφ CPH
4.75
5.0
6.0
V
Reset feed-through level clamp clock low level
Vφ CPL
-0.3
0.0
0.5
V
Transfer gate clock high level
Vφ TG1H, Vφ TG2H
4.75
5.0
6.0
V
Transfer gate clock low level
Vφ TG1L, Vφ TG2L
-0.3
0.0
0.5
V
Shift register clock amplitude
Vφ 1p-p,Vφ 2p-p,Vφ 10p-p,Vφ 20p-p
4.75
5.0
6.5
V
Last stage shift register clock amplitude
Vφ 2Lp-p
4.75
5.0
6.5
V
Reset gate clock amplitude
Vφ Rp-p
4.75
5.0
6.0
V
Reset feed-through level clamp clock amplitude
Vφ CPp-p
4.75
5.0
6.5
V
Transfer gate clock amplitude
Vφ TG1p-p, Vφ TG2p-p
4.75
5.0
6.5
V
Data rate
2xfφ R
0.2
2.0
70
MHz
6
Data Sheet S20022EJ1V1DS
μ PD8827B
<R>
ELECTRICAL CHARACTERISTICS
TA = +25°C, VOD1 = VOD2 = VDD = +10 V, fφR = 1 MHz, Data rate = 2 MHz, Storage time = 10 ms, Input clock = 5 Vp-p
Light source (except Response2): 3200 K halogen lamp + C-500S (Infrared cut filter, t = 1 mm) + HA-50 (Heat absorbing filter, t = 3 mm)
Parameter
Symbol
Saturation voltage
Saturation exposure
Test Conditions
Vsat
MIN.
TYP.
MAX.
Unit
1.5
2.0
–
V
Red
SE(R)
–
0.05
–
lx•s
Green
SE(G)
–
0.04
–
lx•s
Blue
SE(B)
–
0.08
–
lx•s
Photo response non-uniformity
PRNU
–
6
18
%
VOUT = 1.0 V
Average dark signal
ADS
Light shielding
–
1.0
5.0
mV
Dark signal non-uniformity
DSNU
Light shielding
–
2.0
12.0
mV
Total power consumption
PW
–
900
1170
mW
Power consumption (VOD1)
POD1
–
250
325
mW
Power consumption (VOD2)
POD2
–
580
755
mW
Power consumption (VDD)
PDD
–
70
90
mW
Output impedance
Response1
ZO
Red
RR
Green
RG
Blue
RB
Response2
Red
RR
(Corresponding value
3200 k + C500S + HA50
A light source + CM500S
–
0.2
0.4
kΩ
26.25
37.5
48.75
V/lx•s
32.97
47.1
61.23
V/lx•s
17.64
25.2
32.76
V/lx•s
–
(34.5)
–
V/lx•s
–
V/lx•s
Green
RG
–
(45.7)
from Response1)
Blue
RB
–
(22.0)
–
V/lx•s
Response peak
Red
–
610
–
nm
Green
–
535
–
nm
Blue
–
460
–
nm
Image lag
IL
Offset level
VOS
Output fall delay time
td
VOUT = 0.5 V
–
1
30
mV
4.0
5.0
6.0
V
–
6
–
ns
Register imbalance
RI
VOUT = 1.0 V
–
1.0
7.0
%
Total transfer efficiency
TTE
VOUT = 1 V, fφ 1,2 = 35 MHz
92
98
–
%
Vp-pφ 1,2 = 4.75 V
Dynamic range
DR1
Vsat / DSNU
–
1000
–
times
DR2
Vsat / σ dark
–
800
–
times
Reset feed-through noise
RFTN
Light shielding
–1.5
–0.2
+0.5
V
Light shielding random noise
σdark
Light shielding, Bit clamp
–
2.5
–
mV
Shot noise
σ shot
VOUT = 1.0 V
–
14.5
–
mV
Data Sheet S20022EJ1V1DS
7
μ PD8827B
INPUT PIN CAPACITANCE (VOD1 = VOD2 = VDD = +10 V)
Parameter
Shift register clock pin capacitance
Symbol
Note
Cφ 1
Pin name
Pin No.
MIN.
TYP.
MAX.
Unit
φ 1AO
10
140
160
180
pF
φ 1A
12
140
160
180
φ 1B
28
140
160
180
φ 1BO
32
TOTAL
Cφ 2
140
160
180
560
640
720
φ 2BO
9
140
160
180
φ 2B
13
140
160
180
φ 2A
29
140
160
180
φ 2AO
31
140
160
180
560
640
720
6
8
10
TOTAL
pF
Last stage shift register clock pin capacitance
Cφ 2L
φ 2L
34
6
8
10
Reset gate clock pin capacitance
Cφ R
φR
6
11
13
15
pF
Reset feed-through level clamp clock pin capacitance
Cφ CP
φ CP
35
12
14
16
pF
Transfer gate clock pin capacitance
Cφ TG1
φ TG1
27
7
9
11
pF
CφTG2
φ TG2
14
11
13
15
pF
7
pF
Note Cφ1 and Cφ2 are equivalent capacitance with driving device, including the co-capacitance between φ1 and φ2.
Pin 10, 12, 28 and 32 (φ1) are connected inside of the device. Pin 9, 13, 29 and 31(φ2) are also connected.
8
Data Sheet S20022EJ1V1DS
TIMING CHART 1
φTG1
φTG2
φ1
φ2
φ2L
Note3
φCP
(Bit clamp)
B
Note1
7625
7627
7629
7631
7633
7635
7626
7628
7630
7632
7634
7636
131
129
121
122
130
119
120
127
31
32
128
29
30
125
27
28
126
25
26
123
7
8
124
5
Note2
Dummy cell
(13 pixels/ch)
Optical black
(48 pixels/ch)
Invalid cell
(3 pixels/ch)
Note1: Set the φR and φCP to low level during this period A.
9
Note2 : Refer to TIMING CHART 4 during this period B.
Note3: In the case of Bit clamp mode, it is possible to omit this pulse inside the dotted line.
Valid cell
(3750 pixels/ch)
Invalid cell
(3 pixels/ch)
μ PD8827B
A
6
3
VOUT2,4,6
4
VOUT1,3,5
1
φCP
(Line clamp)
2
Data Sheet S20022EJ1V1DS
φR
10
TIMING CHART 2 (Bit Clamp)
t7
t6
φ2, φ20
φ2L
t7L
Data Sheet S20022EJ1V1DS
0.5V
t10
4.5V
4.5V
0.5V
0.5V
t17
t15
4.5V
0.5V
t16
φCP
0.5V
4.5V
4.5V
t9
0.5V
0.5V
t6L
0.5V
t8
φR
4.5V
4.5V
φ1, φ10
t12 t13
t14
4.5V
0.5V
0.5V
td
VOUT1- VOUT6
10%
VOS
μ PD8827B
TIMING CHART 3 (Line Clamp)
t6
4.5V
4.5V
φ1, φ10
φ2, φ20
t7L
0.5V
0.5V
4.5V
4.5V
0.5V
0.5V
t6L
4.5V
4.5V
φ2L
0.5V
t8
t9
t10
0.5V
t15
4.5V
Data Sheet S20022EJ1V1DS
φR
φCP
t7
0.5V
0.5V
“Low”
td
VOUT1-VOUT6
10%
VOS
μ PD8827B
11
μ PD8827B
TIMING CHART4 (The period B of TIMING CHART 1)
t2
t3
t4
4.5V 4.5V
φTG1
0.5V
0.5V
4.5V
φTG2
t1
φ1, φ10
4.5V
0.5V
t5
t4
4.5V
t21
0.5V
t4
t25
t2
4.5V
t20
t2
t19
4.5V
4.5V
0.5V
4.5V
φ2, φ20
4.5V
0.5V
4.5V
φ2L
t15
φR
0.5V
t23
φCP
0.5V
Symbol
t1
t2, t4
TYP.
MAX.
Unit
100
200
2000
ns
0
10
-
ns
1000
1100
5000
ns
t5
0
200
1000
ns
t6, t7
0
10
-
ns
t6L, t7L
0
3
-
ns
t8, t10
0
3
-
ns
t9
2
125
-
ns
t12, t14
0
3
-
ns
t13
8
125
-
ns
t15
0
250
-
ns
t16
0
125
-
ns
t17
2
125
-
ns
t19
300
400
2000
ns
t20
100
200
2000
ns
t21
300
400
2000
ns
t3
12
MIN.
t23
300
400
-
ns
t25
1500
1600
5000
ns
Data Sheet S20022EJ1V1DS
0.5V
μ PD8827B
CROSS POINTS
(φ1∗, φ2∗) CROSS POINTS
(φ1AO, φ2L) (φ1BO, φ2L) CROSS POINTS
φ1AO, φ1BO
φ1∗
1.7 V or more
φ2∗
1.7 V or more
1.7 V or more
φ2L
0.5 V or more
Remark Adjust cross points of (φ1A, φ2A), (φ1B, φ2B), (φ1AO, φ2AO), (φ1BO, φ2BO), (φ1AO, φ2L) and (φ1BO,φ2L)
with an input resistance of each pin.
CLOCK HIGH/LOW LEVEL WIDTH
Min. 7 ns
Min. 3 ns
4.75 V
4.75 V
φ1∗, φ2∗
φ2L
φ1∗, φ2∗
φ2L
0.25 V
0.25 V
Min. 7 ns
Min. 3 ns
Data Sheet S20022EJ1V1DS
13
μ PD8827B
DEFINITIONS OF CHARACTERISTICS
1. Saturation voltage: Vsat
The output signal voltage at which the response linearity is lost
2. Saturation exposure: SE
Product of intensity of illumination (lx) and storage time (s) when saturation of output voltage occurs
3. Photo response non-uniformity: PRNU
The output signal non-uniformity of all the valid pixels when the photosensitive surface is applied with the light of
uniform illumination. This is calculated by the following formula, and it is defined by each six of them.
Δx
PRNU (%) =
x
3750
× 100
x
Σ
j=1
j
x=
3750
Δx : maximum of | xj − x |
xj : Output voltage of valid pixel number j
VOUT
x
Register Dark
DC level
Δx
4. Average dark signal: ADS
Average output signal voltage of all the valid pixels at light shielding. This is calculated by the following formula, and
it is defined by each six of them.
3750
ADS (mV) =
d
Σ
j=1
j
dj : Dark signal of valid pixel number j
3750
5. Dark signal non-uniformity: DSNU
Absolute maximum of the difference between ADS and voltage of the highest or lowest output pixel of all the valid
pixels at light shielding. This is calculated by the following formula, and it is defined by each six of them.
DSNU (mV) : maximum of | dj − ADS | j = 1 to 3750
dj : Dark signal of valid pixel number j
VOUT
ADS
Register Dark
DC level
DSNU
6. Output impedance: ZO
Impedance of the output pins viewed from outside
14
Data Sheet S20022EJ1V1DS
μ PD8827B
7. Response: R
Output voltage divided by exposure (lx•s).
Note that the response varies with a light source (spectral characteristic).
8. Image lag: IL
IL is the average signal output just after light off.
IL (mV) = V1
φ TG
Light
ON
OFF
VOUT
V1
VOUT
9. Register imbalance: RI
RI is the rate of the difference between the averages of the output voltage of Odd and Even pixels, against the
average output voltage of all the valid pixels.
n
2
2
n
Σ
(V2j – 1 – V2j)
j=1
RI (%) =
1
n
× 100
n
ΣV
j
j=1
n : Number of valid pixels
Vj : Output voltage of each pixel
10. Random noise (light shielding): σdark
Shot noise: σshot
σdark and σshot are defined as the standard deviation of a valid pixel output signal with 100 times (100 lines) data
sampling. These are measured by the DC level sampling of only the signal level, not by CDS (Correlated Double
Sampling)
100
σ (mV) =
Σ
i=1
(Vi – V)2
100
,
1
V=
100
100
Σ
i=1
Vi
Vi : A valid pixel output signal among all of the valid pixels for each color.
VOUT
V1
line1
V2
line2
V100
line100
Data Sheet S20022EJ1V1DS
15
μ PD8827B
11. Total transfer efficiency: TTE
TTE is the total transfer rate of CCD analog shift register. The rate is calculated by the following formula, and it is
defined by each odd output.
TTE (%) = (1 - Vb / Average output of all the valid pixels) × 100
Vb
Vb: The spilt pixel output (Odd 7635th pixel)
7635
7631
7633
12. Reset feed-through noise: RFTN
RFTN is switching noise of φR. RFTN is defined as follows.
φR
φCP
φ2L
VOS
VOUT
RFTN
16
Data Sheet S20022EJ1V1DS
μ PD8827B
STANDARD CHARACTERISTIC CURVES (Nominal)
DARK OUTPUT TEMPERATURE
CHARACTERISTIC
STORAGE TIME OUTPUT VOLTAGE
CHARACTERISTICS (TA =25°C)
8
2
Relative Output Voltage
2
1
0.5
0.25
0.1
1
0.2
0
10
20
30
40
50
0.1
1
60
Operating Ambient Temperature TA (°C)
10
5
Storage Time (ms)
TOTAL SPECTRAL RESPONSE CHARACTERISTICS
120
(without IR cut filter and heat absorbing filter at TA = 25°C)
G
100
Response Ratio(%)
Relative Output Voltage
4
R
B
80
60
40
G
20
B
0
300
400
500
600
700
800
900
Wavelength(nm)
Data Sheet S20022EJ1V1DS
17
μ PD8827B
APPLICATION CIRCUIT EXAMPLE
+
B4
1
VOUT4
VOUT3
2 VDD
+5 V
+
Note 2
B5
3 VOUT5
B6
4 VOUT6
A
VOUT1
VOUT2
5 VOD1
6
39 Ω
φR
7
90 Ω
φ2L
8 GND
20 Ω
VDD
9
φ2BO
10
φ1AO
VOD2
φCP
φ2L
GND
φ1BO
φ2AO
20 Ω
+5 V
40
+10 V
B3
39
+5 V
38
B1
37
+
B2
36
A
35
34
39 Ω
33
90 Ω
32
20 Ω
31
20 Ω
+5 V
Note 3
+
Note 4
+
11
12
20 Ω
13
20 Ω
14
90 Ω
15
16
17
18
+5 V
19
+
20
Note 1
HS-VDD
HS-VDD
φ1A
φ2A
φ2B
φ1B
φTG2
φTG1
GND
GND
VDD
VDD
NC
NC
NC
NC
NC
NC
NC
NC
30
29
28
20 Ω
27
20 Ω
26
90 Ω
25
24
23
Inverters: 74AC04
22
21
Inverters: 74AC04
Notes 1. Connect the NC pins to GND.
2. Arrange a circuit A near each power supply terminals (VDD1, VDD2) to prevent the interference between VDD1
and VDD2.
3. Connect 3 inverters for each terminal of φ1∗∗ and φ2∗∗.
4. HS-VDD is connected only to the heat sink, it is not connected to VOD1 and VOD2, and VDD inside the device.
Set HS-VDD to VDD in common on a board.
EQUIVALENT CIRCUIT A
EQUIVALENT CIRCUIT B1 to B6
+
1 kΩ
+
CCD
VOUT
18
2SA1461
100 Ω
Data Sheet S20022EJ1V1DS
+10 V
μ PD8827B
PACKAGE DRAWING
PD8827BCZ-A
CCD LINEAR IMAGE SENSOR 40-PIN PLASTIC DIP
(WITH HEAT SINK) (15.24mm (600))
(Unit : mm)
94.4±0.5
94.0±0.5
1st valid pixel
35.5±0.4
2
14.3±0.3
1
8.95±0.4
14.7±0.3
21
40
20
1
1.27±0.15
A
6.22±0.5
B
15.24±0.20
B
A
0.46±0.1
11.1±0.2
5
11.1±0.2
5
3.0±0.2
43.18±0.4
0.9±0.1
0.25±0.05
4.0±0.5
SECTION A-A
(1.66)
16.67±0.5
2.54±0.25
10.0±0.2
SECTION B-B
3
7.4±0.3
7
6
4.56±0.3
4
5°
5°
1°
5
14.1±0.2
1°
5
14.8±0.2
Name
Glass cap
Dimensions
91.0×11.6×0.7
Refractive index
1.5
1 1st valid pixel
The center of the pin1
2 1st valid pixel
The center of the packa ge
3 The surface of the CCD chip
The top of t he cap
4 The bottom of the package
The surface of the CCD chip
5 The draft angle of the shaded portions (4 places) are 1 dgree.
6 There is no heat sink exposure from the package.
7 The center of the CCD chip
Package side(s haded portion)
40C-1CCD-PKG2
NEC Electronics Corporation 2009
Data Sheet S20022EJ1V1DS
19
μ PD8827B
RECOMMENDED SOLDERING CONDITIONS
When soldering this product, it is highly recommended to observe the conditions as shown below.
If other soldering processes are used, or if the soldering is performed under different conditions, please make sure
to consult with our sales offices.
Type of Through-hole Device
μ PD8827BCZ-A: CCD linear image sensor 40-pin plastic DIP with heat sink (15.24 mm (600))
Process
Partial heating method
Conditions
Pin temperature: 380°C or below, Heat time: 3 seconds or less (per pin).
Cautions 1. During assembly care should be taken to prevent solder or flux from contacting the glass cap.
The optical characteristics could be degraded by such contact.
2. Soldering by the solder flow method may have deleterious effects on prevention of glass cap
soiling and heat resistance. So the method cannot be guaranteed.
NOTES OF HANDLING THE PACKAGES
The application of an excessive load to the package may cause the package to warp or break, or cause chips to
come off internally. Particular care should be taken when mounting the package on the circuit board. You should not
reform the lead frame. We recommend to use a IC-inserter when you assemble to PCB.
For this product, the reference value for the three-point bending strength Note is 280[N]. Avoid imposing a load,
however, on the inside portion as viewed from the face on which the window (glass) is bonded to the package body.
Note Three-point bending strength test
Distance between supports: 70 mm, Support R: R2 mm, Loading rate: 0.5 mm/min.
20
Load
Load
70 mm
70 mm
Data Sheet S20022EJ1V1DS
μ PD8827B
NOTES OF HANDLING
1. MOUNTING OF THE PACKAGE
The application of an excessive load to the package may cause the package to warp or break, or cause chips to
come off internally. Particular care should be taken when mounting the package on the circuit board. Don’t have
any object come in contact with glass cap. You should not reform the lead frame. We recommend to use a ICinserter when you assemble to PCB.
Also, be care that any of the following can cause the package to crack or dust to be generated.
1. Applying heat to the external leads for an extended period of time with soldering iron.
2. Rapid cooling or heating
3. Applying repetitive bending stress to the external leads.
2. GLASS CAP
Don’t either touch glass cap surface by hand or have any object come in contact with glass cap surface. Care
should be taken to avoid mechanical or thermal shock because the glass cap is easily to damage. For dirt stuck
through electricity ionized air is recommended.
3. OPERATE AND STORAGE ENVIRONMENTS
Operate in clean environments. CCD image sensors are precise optical equipment that should not be subject to
mechanical shocks. Exposure to high temperatures or humidity will affect the characteristics. So avoid storage
or usage in such conditions.
Keep in a case to protect from dust and dirt. Dew condensation may occur on CCD image sensors when the
devices are transported from a low-temperature environment to a high-temperature environment. Avoid such
rapid temperature changes.
For more detail, refer to our document “Review of Quality and Reliability Handbook”
(C12769E)
4. ELECTOROSTATIC BREAKDOWN
CCD image sensor is protected against static electricity, but destruction due to static electricity is something
detected. Before handling, be sure to take the following protective measures.
1. Ground the tools such as soldering iron, radio cutting pliers of or pincer.
2. Install a conductive mat or on the floor or working table to prevent the generation of static electricity.
3. Either handle bare handed or use non chargeable gloves, clothes or material.
4. Ionized air is recommended for discharge when handling CCD image sensor.
5. For the shipment of mounted substrates, use box treated for prevention of static charges.
6. Anyone who is handling CCD image sensors, mounting them on PCB or testing or inspecting PCBs on
which
semiconductor
devices
have
been
mounted
must
wear
anti-static
bands
such
as wrist straps and ankle straps which are grounded via a series resistance connection of about
1MΩ.
Data Sheet S20022EJ1V1DS
21
μ PD8827B
NOTES FOR CMOS DEVICES
(1) VOLTAGE APPLICATION WAVEFORM AT INPUT PIN: Waveform distortion due to input noise or a reflected
wave may cause malfunction. If the input of the CMOS device stays in the area between VIL (MAX) and VIH
(MIN) due to noise, etc., the device may malfunction. Take care to prevent chattering noise from entering the
device when the input level is fixed, and also in the transition period when the input level passes through the
area between VIL (MAX) and VIH (MIN).
(2) HANDLING OF UNUSED INPUT PINS: Unconnected CMOS device inputs can be cause of malfunction. If
an input pin is unconnected, it is possible that an internal input level may be generated due to noise, etc.,
causing malfunction. CMOS devices behave differently than Bipolar or NMOS devices. Input levels of CMOS
devices must be fixed high or low by using pull-up or pull-down circuitry. Each unused pin should be
connected to VDD or GND via a resistor if there is a possibility that it will be an output pin. All handling related
to unused pins must be judged separately for each device and according to related specifications governing
the device.
(3) PRECAUTION AGAINST ESD: A strong electric field, when exposed to a MOS device, can cause destruction
of the gate oxide and ultimately degrade the device operation. Steps must be taken to stop generation of
static electricity as much as possible, and quickly dissipate it when it has occurred. Environmental control
must be adequate. When it is dry, a humidifier should be used. It is recommended to avoid using insulators
that easily build up static electricity. Semiconductor devices must be stored and transported in an anti-static
container, static shielding bag or conductive material. All test and measurement tools including work benches
and floors should be grounded. The operator should be grounded using a wrist strap. Semiconductor devices
must not be touched with bare hands. Similar precautions need to be taken for PW boards with mounted
semiconductor devices.
(4) STATUS BEFORE INITIALIZATION: Power-on does not necessarily define the initial status of a MOS device.
Immediately after the power source is turned ON, devices with reset functions have not yet been initialized.
Hence, power-on does not guarantee output pin levels, I/O settings or contents of registers. A device is not
initialized until the reset signal is received. A reset operation must be executed immediately after power-on for
devices with reset functions.
(5) POWER ON/OFF SEQUENCE: In the case of a device that uses different power supplies for the internal
operation and external interface, as a rule, switch on the external power supply after switching on the internal
power supply. When switching the power supply off, as a rule, switch off the external power supply and then
the internal power supply. Use of the reverse power on/off sequences may result in the application of an
overvoltage to the internal elements of the device, causing malfunction and degradation of internal elements
due to the passage of an abnormal current. The correct power on/off sequence must be judged separately for
each device and according to related specifications governing the device.
(6) INPUT OF SIGNAL DURING POWER OFF STATE : Do not input signals or an I/O pull-up power supply while
the device is not powered. The current injection that results from input of such a signal or I/O pull-up power
supply may cause malfunction and the abnormal current that passes in the device at this time may cause
degradation of internal elements. Input of signals during the power off state must be judged separately for
each device and according to related specifications governing the device.
22
Data Sheet S20022EJ1V1DS
μ PD8827B
[MEMO]
Data Sheet S20022EJ1V1DS
23
μ PD8827B
• The information in this document is current as of March, 2010. The information is subject to change without notice. For actual
design-in, refer to the latest publications of NEC Electronics data sheets or data books, etc., for the most up-to-date
specifications of NEC Electronics products. Not all products and/or types are available in every country. Please check with an
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• No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC
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• Descriptions of circuits, software and other related information in this document are provided for illustrative purposes in
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The quality grade of NEC Electronics products is "Standard" unless otherwise expressly specified in NEC Electronics data
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above).
(M8E0909)