Rainbow-electronics MAX5457 Bedienungsanleitung PDF herunterladen (Seite 2)

MAX5456/MAX5457

Stereo Audio Taper Potentiometers

with Pushbutton Interface

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

= V

LOGIC

= +2.7V to +5.5V, V

= 0V, GND = 0V, V

= V

, V

= V

, T

= T

MIN

to T

MAX

. Typical values are at T

= +25°C,

unless otherwise specified.) (Note 1)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

(MAX5456) SHDN, MUTE, VOLUP, VOLDN,

BAL_ to GND.....................................-0.3V to (V

LOGIC

+ 0.3V)

(MAX5457) SHDN, MUTE, UP/BAL1, DN/BAL0, MODE,

MODE_IND to GND...........................-0.3V to (V

LOGIC

+ 0.3V)

H_, L_, and W_ to V

..............................-0.3V to (V

+ 0.3 V)

to GND..............................................................-0.3V to +6V

to V

................................................................-0.3V to +6V

LOGIC

to GND.........................................................-0.3V to +6V

LOGIC

to V

...........................................................-0.3V to +6V

to GND............................................................-3.0V to +0.3V

Peak Current into H_, L_, and W_.......................................±1mA

Average Current into H_, L_, and W_ ..............................±500µA

Input and Output Latchup Immunity...............................±200mA

Continuous Power Dissipation (T

= +70°C)

16-Pin QSOP (derate 8.3mW/°C above +70°C)........666.7mW

16-Pin TQFN (derate 16.9mW/°C above +70°C) ....1349.1mW

Operating Temperature Range ...........................-40°C to +85°C

Junction Temperature......................................................+150°C

Storage Temperature Range .............................-60°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

End-to-End Resistance R Figures 1, 2 7 10 13 kΩ

Maximum Bandwidth f

CUTOFF

From H_ to W_, C

LOAD

= 10pF 100 kHz

Absolute Ratio Tolerance N o l oad at the outp ut of the w i p er , W _ = - 6d B ±0.25 dB

Tap-to-Tap Tolerance ±0.1 dB

= 5V, V

= (V

/ 2) + 1V

RMS

f = 1kHz, tap = -6dB, V

= V

/ 2, R

= ∞

0.01

Total Harmonic Distortion Plus

Noise

THD+N

= 3V, V

= 0V, V

= 1.5V,

= 1.5V + 1V

RMS

, f = 1kHz, R

= 10kΩ to

/ 2), C

= 5pF, tap = -6dB

0.23

Channel-to-Channel Isolation -100 dB

Interchannel Matching f = 20Hz to 20kHz, tap = -6dB ±0.5 dB

Mute Attenuation -90 dB

Power-Supply Rejection Ratio PSRR -80 dB

Wiper Resistance R

1000 1700 Ω

Wiper Capacitance C

10 pF

H Terminal Capacitance C

5pF

L Terminal Capacitance C

7pF

End-to-End Resistance

Temperature Coefficient

50 ppm/°C

Ratiometric Resistance

Temperature Coefficient

5 ppm/°C

Output Noise e

20Hz to 20kHz 0.95 µV

RMS

PUSHBUTTON CONTACT INPUTS (UP/BAL1, DN/BAL0, MUTE, VOLUP, VOLDN , BAL0, BAL1, MODE)

Internal Pullup Resistor R

PULLUP

32 50 65 kΩ

Single Pulse-Width Input t

lPW

Figure 5 22.5 ms

Repetitive Input Pulse High Time t

HPW

Figure 5 40 ms

Timeout Period t

Click/pop suppression inactive 32 ms

1 2 3 4 5 6 7 ... 19 20

MAX5456/MAX5457 1

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