On-Chip Amplifier 2.
OD
OS
RD
R
SW
Output
Node
Output
Transistor
Reset
Transistor
Summing
Well
+5V
0V
-5V
+10V
0V
R
SW
--end of
serial register
Vout
Vout
The charge
is then transferred onto the Summing Well. Vout is now at the
‘Reference level’
There is now a wait of up to a few tens of
microseconds while external circuitry measures
this ‘reference’ level.
