ADS1274
ADS1278
www.ti.com
SBAS367F –JUNE 2007–REVISED FEBRUARY 2011
1kW
1kW
1kW
249W
VIN
1.5nF(2)
5.6nF(2)
+5V(1)
49.9W
AINP
Buffered
VCOM
Output
+5V(1)
Buffered
VCOM
Output
49.9W
49.9W
AINP
AINN
VOCM
VOCM
THS4521
VIN
49.9W
THS4521
0.1mF
AINN
0.1mF
(3)
(3)
VO DIFF = 0.25 ´ VIN
VO COMM = VREF
5.6nF(2)
1.5nF(2)
1kW
249W
1kW
1kW
(1) Bypass with 10μF and 0.1μF capacitors.
(1) Bypass with 10μF and 0.1μF capacitors.
(2) 2.7nF for Low-Power mode; 15nF for Low-Speed mode.
(2) 10nF for Low-Power mode; 56nF for Low-Speed mode.
(3) Alternate driver OPA1632 (using ±12V supplies).
(3) Alternate driver OPA1632 (using ±12V supplies).
Figure 89. Basic Differential Input Signal
Interface
Figure 90. Basic Single-Ended Input Signal
Interface
© 2007–2011, Texas Instruments Incorporated
Submit Documentation Feedback
39
Product Folder Link(s): ADS1274 ADS1278
TI [ TEXAS INSTRUMENTS ]
