AD660
Rev. B | Page 8 of 20
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
–VEE 1
+VCC 2
+VLL 3
DGND 4
REF OUT
24
REF IN
23
SPAN/BIPOLAR OFFSET
22
VOUT
21
DB7/DB15 5
AGND
20
DB6/DB14 6
LDAC
19
DB5/DB13 7
CLR
18
DB4/DB12 8
SER
17
DB3/DB11 9
HBE
16
DB2/DB10 10
LBE/CLEAR SELECT
15
DB1/DB9/DATADIR 11
CS
14
DB0/DB8/SIN 12
SOUT
13
AD660
TOP VIEW
(Not to Scale)
0
18
13
-00
6
Figure 6. Pin Configuration
Table 5. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
VEE
Negative Analog Supply Pin
2
+VCC
Positive Analog Supply Pin
3
+VLL
Digital Supply Pin
4
DGND
Digital Ground Reference Pin
5
DB7/DB15
DB7 and DB15 Byte Load Data Input Pin
6
DB6/DB14
DB6 and DB14 Byte Load Data Input Pin
7
DB5/DB13
DB5 and DB13 Byte Load Data Input Pin
8
DB4/DB12
DB4 and DB12 Byte Load Data Input Pin
9
DB3/DB11
DB3 and DB11 Byte Load Data Input Pin
10
DB2/DB10
DB2 and DB10 Byte Load Data Input Pin
11
DB1/DB9/DATADIR
DB1 and DB9 Byte Load Data Input Pin/MSB or LSB First Data Direction Serial Input Select Pin
12
DB0/DB8/SIN
DB0 and DB8 Byte Load Data Input Pin/Serial Data Input Pin
13
SOUT
Serial Data Output Pin
14
CS
Chip Select Pin
15
LBE/CLEAR SELECT
Low Byte Enable Pin/Unipolar or Bipolar Clear Select Pin
16
HBE
High Byte Enable Pin
17
SER
Serial Input Enable Pin
18
CLR
Output Clear Pin
19
LDAC
Load DAC Pin
20
AGND
Analog Ground Reference Pin
21
VOUT
Voltage Output Pin
22
SPAN/BIPOLAR OFFSET
Output Span Configuration Pin
23
REF IN
External Reference Voltage Input Pin
24
REF OUT
Internal Reference Voltage Output Pin