lt1810 Linear Technology Corporation, lt1810 Datasheet - Page 19

• Manufacturer Part Number: lt1810
• Description: Single/dual 180mhz, 350v/?s Rail-to-rail Input And Output Low Distortion Op Amps
• Manufacturer: Linear Technology Corporation

2V
TYPICAL APPLICATIO S
ON 2.5V DC
V
P-P
IN
1V
V
P-P
1k
IN
1k
3
2
0.15 F
–
+
–
+
LT1809
LT1809
Figure 4. Inverting A/D Driver
–5V
Figure 6. Single Supply A/D Driver
5V
5V
1k
7
4
1
1k
6
470pF
49.9
49.9
U
470pF –A
1
2
+A
+A
–A
IN
IN
IN
IN
V
PGA GAIN = 2
PGA GAIN = 1
REF = 4.096V
REF = 2.048V
CM
1 F
3
LTC1420
LTC1420
–5V
5V
5V
1809 F04
1809 F06
•
•
•
•
•
•
12 BITS
10Msps
12 BITS
10Msps
–100
–120
–20
–40
–60
–80
–100
–120
–20
–40
–60
–80
0
0
Figure 7. 4096 Point FFT Response
0
Figure 5. 4096 Point FFT Response
0
1
1
FREQUENCY (MHz)
FREQUENCY (MHz)
LT1809/LT1810
2
2
V
A
f
f
SFDR = 80dB
3
SAMPLE
IN
S
V
V
A
f
f
SFDR = 90dB
3
SAMPLE
IN
S
V
= 5V
= +2
= 1.394MHz
= 5V
= –1
= 1.394MHz
= 10Msps
4
= 10Msps
4
1809 F07
1809 F05
5
19
5