Datasheet

1
2
3
4
5
6
7
8
9
10
SCLK
D
OUT
GND
- IN
+IN
ADC161S626
CS
V
REF
V
A
V
IO
GND
SAR CONTROL
SERIAL
INTERFACE
COMPARATOR
S/H
CDAC
+IN
-IN
V
REF
ADC161S626
V
REF
CSB
SCLK
DOUT
V
A
V
IO
+5V
LM4120-2.5
+
4.7 PF
0.1 PF
+5V
V
BRIDGE
+
-
Micro-
Controller
+3.3V
+
-
ADC161S626
SNAS468C –SEPTEMBER 2008–REVISED MARCH 2013 www.ti.com
Typical Application
Block Diagram
Connection Diagram
Figure 1. VSSOP Package
See Package Number DGS0010A
Pin Descriptions
Pin No. Name Description
Voltage Reference
1 V
REF
+0.5V < V
REF
< V
A
2 +IN Non-Inverting Input
3 −IN Inverting Input
4 GND Ground
5 GND Ground
6 CS Chip Select Bar
7 D
OUT
Serial Data Output
8 SCLK Serial Clock
Digital Input/Output Power
9 V
IO
+2.7V < V
REF
< +5.5V
Analog Power
10 V
A
+4.5V < V
REF
< +5.5V
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