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

Page 3: Operating conditions (t = 25°c)

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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

(1)

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

(2)

Substrate Bias

V

SS

0.0

0.0

Test Point 1

TP1

V

DD

V

(3)

Test Points 2 and 3

TP2, TP3

V

SS

V

(3)

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

(1)

Internal Reset

Φ

RA

(5) and

Φ

RB

(21) Connected to VDD