MAX5494ETE Maxim Integrated Products, MAX5494ETE Datasheet - Page 14
MAX5494ETE
Manufacturer Part Number
MAX5494ETE
Description
Digital Potentiometer ICs
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5494ETE.pdf
(20 pages)
Specifications of MAX5494ETE
Number Of Pots
Dual
Taps Per Pot
1024
Resistance
10 KOhms
Wiper Memory
Non Volatile
Digital Interface
Serial (3-Wire, SPI)
Operating Supply Voltage
5 V
Supply Current
1.5 uA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Supply Voltage (max)
5.25 V
Supply Voltage (min)
2.7 V
Package / Case
TQFN EP-16
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MAX5494ETE+
Manufacturer:
LTC
Quantity:
175
10-Bit, Dual, Nonvolatile, Linear-Taper
Digital Potentiometers
Figure 7. SPI-Compatible Serial-Interface Format
Table 2. Register Map*
* D9 is the MSB and D0 is the LSB of the data bits.
14
Bit Name
Write Wiper Register 1
Write Wiper Register 2
Write NV Register 1
Write NV Register 2
Copy Wiper Register 1
to NV Register 1
Copy Wiper Register 2
to NV Register 2
Copy Wiper Register 1
to NV Register 1 and
Copy Wiper Register 2
to NV Register 2
Simultaneously
Copy NV Register 1 to
Wiper Register 1
Copy NV Register 2 to
Wiper Register 2
Copy NV Register 1 to
Wiper Register 1 and
Copy NV Register 2 to
Wiper Register 2
Simultaneously
CLOCK EDGE
______________________________________________________________________________________
SCLK
SCLK
a) 24-BIT COMMAND/DATA WORD
b) 8-BIT COMMAND WORD
DIN
DIN
CS
CS
1
1
—
1
0
0
0
0
0
0
0
0
0
0
2
2
C1 C0
3
C1 C0
—
2
0
0
0
0
0
0
0
0
0
0
3
4
4
C1
3
0
0
0
0
1
1
1
1
1
1
5
5
C0
6
4
0
0
1
1
0
0
0
1
1
1
6
RA1
RA1
7
7
—
5
0
0
0
0
0
0
0
0
0
0
RA0
RA0
8
8
—
6
0
0
0
0
0
0
0
0
0
0
D9 D8 D7 D6 D5 D4 D3 D2
9
RA1 RA0 D9
10
7
0
1
0
1
0
1
1
0
1
1
11
8
1
0
1
0
1
0
1
1
0
1
12
13
D9
D9
D9
D9
—
—
—
—
—
—
9
14
D8
D8
D8
D8
D8
10
—
—
—
—
—
—
15
D7
D7
D7
D7
D7
11
—
—
—
—
—
—
16
17
D1
D6
D6
D6
D6
D6
12
—
—
—
—
—
—
18
D0
D5
D5
D5
D5
D5
13
—
—
—
—
—
—
19
20
D4
D4
D4
D4
D4
14
—
—
—
—
—
—
21
D3
D3
D3
D3
D3
15
—
—
—
—
—
—
22 23
D2
D2
D2
D2
D2
16
—
—
—
—
—
—
24
D1
D1
D1
D1
D1
17
—
—
—
—
—
—
D0
D0
D0
D0
D0
18
—
—
—
—
—
—
…
—
—
—
—
—
—
—
—
—
—
—
24
—
—
—
—
—
—
—
—
—
—
—
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