MAX5409ETE Maxim Integrated Products, MAX5409ETE Datasheet - Page 7

• Manufacturer Part Number: MAX5409ETE
• Description: Digital Potentiometer ICs
• Manufacturer: Maxim Integrated Products

Specifications of MAX5409ETE

• Number Of Pots: Dual
• Taps Per Pot: 32
• Resistance: 10 KOhms
• Wiper Memory: Volatile
• Digital Interface: Serial (3-Wire, SPI)
• Operating Supply Voltage: 3.3 V
• Supply Current: 100 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Package / Case: TQFN EP-16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 2. Serial Interface Programming Commands for MAX5409/MAX5411
Table 3. Mute Register Bit Definitions for MAX5408/MAX5410
Table 4. Mute Register Bit Definitions for MAX5409/MAX5411
A0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
DATA BIT
DATA BIT
Dual, Audio, Log Taper Digital Potentiometers
D4
D3
D2
D1
D0
D4
D3
D2
D1
D0
A1
0
0
1
1
0
0
1
1
1
1
1
1
1
1
_______________________________________________________________________________________
8-BIT SERIAL WORD
A2
0
1
0
1
0
1
0
0
0
0
0
0
1
1
“don’t care”
“don’t care”
“don’t care”
“don’t care”
VALUE
VALUE
5-bit DAC data
5-bit DAC data
5-bit DAC data
5-bit DAC data
4-bit mute data, D0 = “don’t care”
4-bit zero-crossing detection data,
D0 = “don’t care”
00000
00001
00010
00011
00100
00101
D4 = 0, D3–D0 = “don’t care”
D4 = 1, D3–D0 = “don’t care”
0
1
0
1
0
1
0
1
0
1
0
1
D4–D0
Set wiper W0A to preprogrammed value (-62dB on power-up)
Set wiper W0A to mute (-90dB)
Set wiper W0B to preprogrammed value (-62dB on power-up)
Set wiper W0B to mute (-90dB)
Set wiper W1A to preprogrammed value (-62dB on power-up)
Set wiper W1A to mute (-90dB)
Set wiper W1B to preprogrammed value (-62dB on power-up)
Set wiper W1B to mute (-90dB)
No change
Set wiper W0A to preprogrammed value (-62dB on power-up)
Set wiper W0A to mute (-90dB)
No change
Set wiper W1A to preprogrammed value (-62dB on power-up)
Set wiper W1A to mute (-90dB)
No change
No change
Set position of wiper W0A
Set position of wiper W0B
Set position of wiper W1A
Set position of wiper W1B
Data for mute register (see Table 4)
Data for zero-crossing detection register
(see Table 6)
Readback contents of wiper register for W0A at DOUT
Readback contents of wiper register for W0B at DOUT
Readback contents of wiper register for W1A at DOUT
Readback contents of wiper register for W1B at DOUT
Readback contents of mute register at DOUT
Readback contents of zero-crossing detection register at DOUT
Analog power-down
Analog power-up
FUNCTION
FUNCTION
FUNCTION
7