LTC2207 LINER [Linear Technology], LTC2207 Datasheet - Page 21

• Manufacturer Part Number: LTC2207
• Description: 16-Bit, 105Msps/80Msps ADCs
• Manufacturer: LINER [Linear Technology]

APPLICATIONS INFORMATION
T1 = MA/COM ETC1-1-13
RESISTORS AND CAPACITORS
ARE 0402 PACKAGE SIZE
3.3V
0.1µF
0.1µF
1µF
Figure 8b. Transformer Driven Encode
Figure 7. A 2.25V Range ADC with
an External 2.5V Reference
T1
2
50Ω
50Ω
LTC1461-2.5
1.25V
4
0.1µF
6
8.2pF
SENSE
100Ω
2.2µF
2.2µF
V
Figure 10. ENC Drive Using a CMOS to PECL Translator
CM
ENC
ENC –
MC100LVELT22
+
LTC2207/
LTC2206
22076 F07
LTC2207/
LTC2206
D0
22076 F08b
3.3V
Q0
Q0
3.3V
ENC
ENC
ENC
ENC –
+
–
+
Figure 8a. Equivalent Encode Input Circuit
LTC2207/
LTC2206
V
Figure 9. Single-Ended ENC Drive,
Not Recommended for Low Jitter
THRESHOLD
LTC2207/
LTC2206
22076 F10
V
DD
LTC2207/LTC2206
= 1.6V
V
1.6V
DD
6k
1.6V
0.1µF
6k
V
DD
1.6V
ENC
ENC
+
–
TO INTERNAL
LTC2207/
LTC2206
ADC CLOCK
DRIVERS
22076 F09
22076 F08a
21
22076fa