Rainbow Electronics TH7804A User Manual
Features
• Pixel Size: 13 µm x 13 µm (13 µm pitch)
• High Data Output Rate: 20 MHz typ
• High Responsivity and Resolution over a Wide Spectral Range: from Blue (400 nm) up
to Near Infrared (1100 nm)
• Improved Dark Signal and Photo Response Uniformity
• Low Temporal Noise and High Dynamic Range: Over 6000/1
• Ease and Flexibility of Operation:
– Only two External Basic Drive Clocks
– Internal or External Sample and Reset Clocks
• 24-lead DIL Package
Pin Identification
Pin Number Symbol Designation
1V
2 Φ
3SΦ
4 Φ
8V
OSA
ECHA
ECHA
RA
DD
9TP3TestPoint3
10 TP2 Test Point 2
11 VT Register And Photosensitive Zone DC Bias
Video Output Signal A (Odd Channel)
A Channel Sample-and-hold Gate Input
A Channel Internal Sample Clock-output
A Channel External Reset Clock Input
Output Amplifier Drain And Internal Logic Supply
Linear Charged
Couple Device
(CCD) Image
Sensor 1024
Pixels
TH7804A
12 TP1 Test Point 1
13 V
15 Φ
16 Φ
17 V
18 Φ
19 V
21 SΦ
22 Φ
23 V
24 V
SS
P
T
GS
RB
INH
ECHB
ECHB
OSB
DR
Substrate Bias (Ground)
Transfer Clock
Register Transport Clock
Output Gate DC Bias
B Channel External Reset Clock Input
Internal Sample Clock Inhibition
B Channel Internal Sample Clock Input
B Channel Sample-and-hold Gate Input
Video Output Signal B (Even Channel)
Reset DC Bias
5, 6, 7, 14, 20 DNC Do Not Connected
S
V
OSA
ECHA
ECHA
RA
DNC
DNC
DNC
V
DD
TP3
TP2
TP1
1
2
3
4
5
6
7
8
9
10
11
V
T
12
TH7804A
24
23
22
21
20
19
18
17
16
15
14
13
V
DR
V
OSB
ECHB
S
DNC
V
INH
RB
V
GS
T
P
DNC
V
SS
ECHB
Rev. 1989A–IMAGE–05/0 2
1
Absolute Maximum Ratings*
Storage Temperature ..................................... -55°Cto+150°C
Operating Temperature ....................................... 0°Cto+70°C
Thermal Cycling..........................................................15°C/mn
Maximum Voltage:
• Pins: 2, 4, 8,12,15,16,18,19, 22, 24 ................-0.3V to +18V
• Pins: 9,10,11,17 .............................................. -0.3V to +18V
• Pin: 13 .............................................................................. 0V
*NOTICE: Stresses above those listed under absolute max-
imum ratings may cause permanent device failure. Functionality at or above these limits is not
implied. Exposure to absolute maximum ratings
for extended periods may affect device reliability.
Operating Range The operating range defines the temperature limits between which functionality is guar-
anteed: 0°Cto70°C.
Operating Precautions Shorting the video output to V
output amplifier.
or VDD, even temporarily, can permanently damage the
SS
2
TH7804A
1989A–IMAGE–05/02
Operating Conditions (T = 25°)
Table 1 . DC Bias Characteristics
TH7804A
Value
Parameter Symbol
Output Amplifier Drain Supply V
Reset DC Bias V
Output Gate DC Bias V
Photosensitive Zone And
Register DC Bias
Substrate Bias V
DD
DR
GS
V
T
SS
14 15 16 V
VDD-2.4 VDD-2 VDD-1 V
5.5 6 6.5 V
0.95 V
TN
0.0 0.0 V
Te s t P oi n t 1 T P 1 V
TestsPoints2And3 TP2,TP3 V
Notes: 1. Nominal value of VT:
V
=6.7VifΦTclock levels are at their typical value.
TN
2. No use for operation. For testing purpose only.
VΦ T()HIGH VΦT()LOW+
TN
------------ ------------ ------------- ------------- ------------- ------- 5%±=
2
V
Basic Internal Configuration
SΦ
SΦ
ECHA
ECHB
and Φ
and Φ
RA
RA
internal to TH7804A
Unit RemarkMin. Typ. Max
V
TN
DD
SS
1.05 V
TN
V
V
V
(1)
(2)
(2)
Table 2 . Selection of Nominal Mode
Option Implementation Remarks
V
(19) Connected to V
INH
Internal Sampling
Internal Reset Φ
SΦ
SΦ
(3) and Φ
ECHA
(21) and Φ
ECHB
(4) and ΦRB(18) Connected to V
RA
Note: 1. Make the straps as short as possible to avoid any parasitic coupling to these connections. The load capacitance introduced
by the strap should not exceed 5 pF.
(2) Strapped
ECHA
ECHB
SS
(22) Strapped
DD
(1)
see note
1989A–IMAGE–05/02
3
Figure 1. Basic Test Configuration
Figure 2. Timing Diagram in Basic Mode
4
TH7804A
1989A–IMAGE–05/02
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