ad7376 Analog Devices, Inc., ad7376 Datasheet - Page 8

• Manufacturer Part Number: ad7376
• Description: +30 V/?15 V Operation 128-position Digital Potentiometer
• Manufacturer: Analog Devices, Inc.

AD7376
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
Table 6.Pin Function Descriptions
14-Lead
TSSOP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
Assert shutdown and program the device during power-up. Then, deassert the shutdown to achieve the desirable preset level.
Pin No.
Figure 4. 14-Lead TSSOP Pin Configuration
16-Lead
SOL
1
2
3
4
5
6
7
8, 9, 10
11
12
13
14
15
16
GND
CLK
V
CS
RS
SS
A
B
1
2
3
4
5
6
7
NC = NO CONNECT
(Not to Scale)
AD7376
TOP VIEW
Mnemonic
A
B
V
GND
CS
RS
CLK
NC
SDI
SHDN
SDO
V
NC
W
SS
DD
14
13
12
10
11
9
8
W
NC
V
SDO
SHDN
SDI
NC
DD
Description
A Terminal. V
B Terminal. V
Digital Ground.
Serial Data Input (data loads MSB first).
No Connect. Let it float or ground.
Wiper Terminal. V
Negative Power Supply.
Chip Select Input, Active Low. When CS returns high, data is loaded into the wiper register.
Reset to Midscale.
Serial Clock Input. Positive edge triggered.
No Connect. Let it float or ground.
Shutdown. A terminal open ended; W and B terminals shorted. Can be used as
programmable preset.
Serial Data Output.
Positive Power Supply.
SS
SS
Rev. B | Page 8 of 20
≤ V
≤ V
SS
B
A
≤ V
≤ V
≤ V
DD
1
W
DD
≤ V
.
.
DD
.
Figure 5. 16-Lead SOIC_W Pin Configuration
GND
CLK
V
NC
CS
RS
SS
A
B
1
2
3
4
5
6
7
8
NC = NO CONNECT
(Not to Scale)
AD7376
TOP VIEW
16
15
14
13
12
11
10
9
W
NC
V
SDO
SHDN
SDI
NC
NC
DD