Connection Diagram
VREF
RS3
50Ω
INP RS1
50Ω
INN- RS2
50Ω
RG
OPEN
EL5177
RF1
0Ω
1 FBP OUT+ 10
2 IN+
VS- 9 -5V
3 REF
VS+ 8 +5V
4 IN-
EN 7
5 FBN
OUT- 6
RF2
0Ω
OUT+
RLD
1kΩ
EN
OUT-
Typical Performance Curves
AV = 1, RLD = 1kΩ, CLD = 2.7pF
4
3
2
1
VOP-P = 200mV
0
-1
-2
VOP-P = 1V
-3
-4
-5
-6
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 1. FREQUENCY RESPONSE
AV = 1, RLD = 1kΩ
10
8
CLD = 50pF
6
CLD = 34pF
4
CLD = 23pF
2
0
-2
CLD = 9pF
-4
CLD = 2.7pF
-6
-8
-10
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 3. FREQUENCY RESPONSE vs CLD
RLD = 1kΩ, CLD = 2.7pF
4
3
2
1
AV = 1
0
-1
-2
AV = 2
-3
AV = 10
AV = 5
-4
-5
-6
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 2. FREQUENCY RESPONSE FOR VARIOUS GAIN
AV = 1, CLD = 2.7pF
4
3
2
1
0
-1
-2
RLD = 500Ω
-3
RLD= 200Ω
-4
-5
-6
1M
10M
100M
FREQUENCY (Hz)
RLD= 1kΩ
1G
FIGURE 4. FREQUENCY RESPONSE vs RLD
4
FN7344.3
August 8, 2005