MAX5497ETE+T Maxim Integrated Products, MAX5497ETE+T Datasheet - Page 14

• Manufacturer Part Number: MAX5497ETE+T
• Description: IC DIG POT 10BIT 16-TQFN-EP
• Manufacturer: Maxim Integrated Products

Specifications of MAX5497ETE+T

• Taps: 1024
• Resistance (ohms): 50K
• Number Of Circuits: 2
• Temperature Coefficient: 35 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: 3-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Resistance In Ohms: 50K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
—
—
—
—
—
—
—
—
—
—
—