Operating conditions (t = 25˚c), Basic internal configuration, Th7841a – Rainbow Electronics TH7841A User Manual
Page 3: Operating conditions (t = 25°c)

3
TH7841A
1998A–IMAGE–05/02
Operating Conditions (T = 25°C)
Notes:
1. It is recommended to maintain V
DR
at V
DD
- 2V.
2. V
T
nominal =
3. No use for operation – For testing purpose only.
Basic Internal
Configuration
Note:
1. Make the straps as short as possible to avoid any parasitic coupling to these connec-
tions. The load capacitance introduced by the strap should not exceed 5 pF.
Table 1. DC Characteristics
Parameter
Symbol
Values
Unit
Note
Min
Typ
Max
Output Amplifier Drain Supply
V
DD
14
15
16
V
Reset DC Bias
V
DR
12
13
14.5
V
Output Gate DC Bias
V
GS
5.5
6
6.5
V
Photosensitive Zone and
Register DC Bias
V
T
6
6.5
7
V
Substrate Bias
V
SS
0.0
0.0
Test Point 1
TP1
V
DD
V
Test Points 2 and 3
TP2, TP3
V
SS
V
V
Φ
T
(
)high
V
Φ
T
(
)low
+
2
------------------------------------------------------------
5%
±
S
Φ
ECHA
and
Φ
RA
internal to TH7841A
S
Φ
ECHB
and
Φ
RB
Table 2. Selection of Nominal Mode
Option
Implementation
Note
Internal Sampling
V
INH
(16) Connected to V
SS
S
Φ
ECHA
(4) and
Φ
ECHA
(3) Strapped
S
Φ
ECHB
(24) and
Φ
ECHB
(25) Strapped
Internal Reset
Φ
RA
(5) and
Φ
RB
(21) Connected to VDD