Datasheet

15 0
SD24DIVx
ACLK
TACLK
SD24SSELx
00
01
10
11
00
01
10
11
MCLK
SMCLK
AV
CC
V
REF
Divider
1/2/4/8
A1.0
000
SD24INCHx
+
−
001
+
−
010
+
−
011
+
−
100
+
−
101
+
−
110
+
−
111
+
−
A1.1
A1.2
A1.3
A1.4
A1.5
A1.6
2
nd
Order
Σ∆
Modulator
SD24GAINx
SD24DF
SD24LP
SD24OSRx
SD24MEM1
Reference
A1.7
SD24VMIDON
SD24REFON
f
M
Reference
1.2V
AV
SS
SD24XDIVx
Divider
1/3/16/48
SD24XOSR
1
0
SD24UNI
1
AVCC
SD24INCHx=101
Temp.
sensor
PGA
1..32
5R
R
5R
Reference
SD24_A Control Block
SD24SC
Conversion Control
(to prior channel)
SD24SGNL
Conversion Control
(from next channel)
SD24GRP
Group/Start
Conversion Logic
SD24PRE1
Channel 1
Temperature . and Vcc Sense
Channel 0
Channel 2
Channel 3 ( up to Channel 6)
SD24_A Introduction www.ti.com
NOTE: Ax.1 to Ax.4 not available on all devices. See device-specific data sheet.
Figure 27-1. Block Diagram of the SD24_A
618
SD24_A SLAU144J–December 2004–Revised July 2013
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