Te chnologic Sys t e ms
Tit le :
Re v:
De s igne r
She e t
of
10
TS-7558 ADC
A
Da t e :
Ma y 20, 2011
12
12-bit ADC
3. 300V
0. 5% t ole ra nce
0-3. 3V le ve ls
Pre cis ion 3. 3V Re g.
4 Cha nne ls of 12-bit A/ D
ADC not e s
t yp. MUX ON re s is t a nce = 120 ohm
t yp. De lt a be t we e n cha n = 10 ohm
Re a ding cha nne l 0 a llows
ca libra t ing out mos t e rror
Input Ime da nce = 70 Kohm
TVS a dds 1000-3000 pF
Op Amp ga in = 1 or 2
Ga in = 2 for 0-5V ra nge
For I2C ADC
R115-R118 not norma lly Popula t e d