Datasheet

MCP660/1/2/3/4/5/9
DS22194D-page 12  2009-2012 Microchip Technology Inc.
Note: Unless indicated, T
A
= +25°C, V
DD
= +2.5V to 5.5V, V
SS
= GND, V
CM
= V
DD
/3, V
OUT
= V
DD
/2, V
L
= V
DD
/2,
R
L
= 1 kto V
L
, C
L
= 20 pF and CS = V
SS
.
FIGURE 2-27: Gain Peaking vs.
Normalized Capacitive Load.
FIGURE 2-28: Channel-to-Channel
Separation vs. Frequency.
0
1
2
3
4
5
6
7
8
9
10
1.0E-11 1.0E-10 1.0E-09
Normalized Capacitive Load; C
L
/G
N
(F)
Gain Peaking (dB)
10p
100p 1n
G
N
= 1 V/
V
G
N
= 2 V/
V
G
N

4 V/
V
50
60
70
80
90
100
110
120
130
140
150
1.E+03 1.E+04 1.E+05 1.E+06 1.E+07
Frequency (Hz)
Channel-to-Channel
Separation; RTI (dB)
1k 10k 100k
V
CM
= V
DD
/2
G = +1 V/V
R
S
= 10 kΩ
R
S
= 100 kΩ
1M 10M
R
S
= 0Ω
R
S
= 100Ω
R
S
= 1 kΩ