MAX5408EEE+ Maxim Integrated Products, MAX5408EEE+ Datasheet

IC POT DGTL DUAL AUDIO 16-QSOP

MAX5408EEE+

Manufacturer Part Number
MAX5408EEE+
Description
IC POT DGTL DUAL AUDIO 16-QSOP
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX5408EEE+

Taps
32
Resistance (ohms)
10K
Number Of Circuits
2
Temperature Coefficient
35 ppm/°C Typical
Memory Type
Volatile
Interface
SPI, 3-Wire Serial
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-QSOP
Resistance In Ohms
10K
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX5408–MAX5411 dual, logarithmic taper digital
potentiometers, with 32-tap points each, replace
mechanical potentiometers in audio applications requir-
ing digitally controlled resistors. The MAX5408/
MAX5410 are dual potentiometers with one wiper per
potentiometer. The MAX5409/MAX5411 are dual poten-
tiometers with two wipers per potentiometer (see
Functional Diagram). An SPI™-compatible serial inter-
face controls the wiper positions. The MAX5408–
MAX5411 have a factory-set resistance of 10kΩ per
potentiometer. A zero-crossing detect feature mini-
mizes the audible noise generated by wiper transitions.
The MAX5408–MAX5411 have nominal temperature
coefficients of 35ppm/°C end-to-end and 5ppm/°C
ratiometric. The MAX5408–MAX5411 are available in
16-pin QSOP and 16-pin thin QFN packages and are
specified over the extended temperature range (-40°C
to +85°C).
19-2049; Rev 3; 1/05
Functional Diagram appears at end of data sheet.
SPI is a trademark of Motorola, Inc.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Dual, Audio, Log Taper Digital Potentiometers
Stereo Volume Control
Fading and Balancing Stereo Signals
Mechanical Potentiometer Replacement
TOP VIEW
________________________________________________________________ Maxim Integrated Products
N.C. (W0B)
DOUT
General Description
SCLK
W0A
DIN
CS
H0
L0
1
2
6
3
4
5
7
8
(5mm x 6mm)
MAX5408-
MAX5411
QSOP
Applications
16
15
14
13
12
11
10
9
V
V
GND
AGND
H1
L1
W1A
N.C. (W1B)
DD
LOGIC
( ) ARE FOR MAX5409/MAX5411 ONLY
♦ Log Taper with 2dB Steps Between Taps
♦ 32-Tap Positions for Each Wiper
♦ Small 16-Pin QSOP/QFN Packages
♦ Single-Supply Voltage Operation
♦ Low 0.5µA Standby Supply Current
♦ Zero-Crossing Detection for Clickless Switching
♦ Mute Function to -90dB
♦ 10kΩ Fixed Resistance Value
♦ 3-Wire SPI-Compatible Serial Data Interface
♦ Power-On Reset: Wiper Goes to Maximum
♦ Digital Output for Readback and Daisy-Chaining
Ordering Information continued at end of data sheet.
MAX5408EEE -40°C to +85°C 16 QSOP
MAX5408ETE
MAX5409EEE -40°C to +85°C 16 QSOP
Attenuation
Capabilities
SCLK
CS
H0
+2.7V to +3.6V (MAX5408/MAX5409)
+4.5V to +5.5V (MAX5410/MAX5411)
L0
PART
1
2
3
4
W0A N.C. (W0B) N.C. (W1B)
DIN
16
5
-40°C to +85°C 16 Thin QFN
TEMP RANGE
DOUT
MAX5408-
15
THIN QFN
(4mm x 4mm)
MAX5411
6
Ordering Information
V
14
DD
7
Pin Configurations
V
PACKAGE
W1A
PIN-
LOGIC
13
8
12
11
10
9
GND
AGND
H1
L1
Features
WIPERS PER
RESISTOR
1
1
2
1

Related parts for MAX5408EEE+

MAX5408EEE+ Summary of contents

Page 1

... N.C. (W0B) 8 QSOP (5mm x 6mm) ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ♦ Log Taper with 2dB Steps Between Taps ♦ 32-Tap Positions for Each Wiper ♦ Small 16-Pin QSOP/QFN Packages ♦ ...

Page 2

Dual, Audio, Log Taper Digital Potentiometers ABSOLUTE MAXIMUM RATINGS , CS, SCLK, DIN to GND ......................-0. LOGIC H_, L_, and W_ to GND ..............................-0. DOUT to GND.............................................-0. AGND to GND ...

Page 3

Dual, Audio, Log Taper Digital Potentiometers ELECTRICAL CHARACTERISTICS (continued +2.7V to +3.6V (MAX5408/MAX5409 Typical values are +25°C, unless otherwise specified.) A PARAMETER SYMBOL DIGITAL OUTPUT Output High Voltage Output Low Voltage TIMING CHARACTERISTICS ...

Page 4

Dual, Audio, Log Taper Digital Potentiometers (V = +3V (MAX5408/MAX5409 WIPER RESISTANCE vs. WIPER VOLTAGE 996 TAP POSITION 31 995 994 993 992 991 990 989 988 0 0.5 1.0 1.5 ...

Page 5

Dual, Audio, Log Taper Digital Potentiometers (V = +3V (MAX5408/MAX5409 LOGIC CURRENT vs. LOGIC VOLTAGE 50 ACTIVE MODE 45 SCLK = 2MHz 2.5 3.0 3.5 ...

Page 6

Dual, Audio, Log Taper Digital Potentiometers Table 1. Serial Interface Programming Commands for MAX5408/MAX5410 8-BIT SERIAL WORD ...

Page 7

Dual, Audio, Log Taper Digital Potentiometers Table 2. Serial Interface Programming Commands for MAX5409/MAX5411 8-BIT SERIAL WORD 5-bit DAC data 5-bit DAC data 5-bit DAC data 0 1 ...

Page 8

Dual, Audio, Log Taper Digital Potentiometers Table 5. Zero-Crossing Detection Register Bit Definitions for MAX5408/MAX5410 DATA BIT VALUE “don’t care” “don’t care” D0 “don’t care” Table 6. Zero-Crossing Detection Register Bit Definitions ...

Page 9

Dual, Audio, Log Taper Digital Potentiometers -10dB -20dB WIPER POSITION 50ms (TYP) Figure 2. Zero-Crossing Timing Diagram Figure 3. Attenuation Control V F LEFT Figure 4. Stereo Volume Control with Front and Rear ...

Page 10

Dual, Audio, Log Taper Digital Potentiometers SCLK SCLK SCLK SDIN SDIN DOUT SDIN DOUT MAX5408– MAX5408– MAX5411 MAX5411 CS Figure 5. Daisy-Chaining of Serial Interfaces circuit (see Figure 2). With zero-crossing enabled, the MAX5408–MAX5411 change wiper position after ...

Page 11

Dual, Audio, Log Taper Digital Potentiometers W0A LOGIC ARE FOR MAX5409/MAX5411 ONLY ______________________________________________________________________________________ N.C. (W0B) DOUT W1A MAX5408– MAX5411 32 POSITION DECODER/ REGISTER AUDIO ZERO- CROSSING DETECTOR SPI LOGIC SCLK DIN CS Functional ...

Page 12

Dual, Audio, Log Taper Digital Potentiometers (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 12 _______________________________________________________________________________________ Package Information PACKAGE OUTLINE 12, 16, 20, 24L THIN ...

Page 13

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 13 © 2005 Maxim Integrated Products Package Information (continued) PACKAGE OUTLINE, QSOP .150" ...

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