MAX5408 데이터 시트보기 (PDF) - Maxim Integrated
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MAX5408 Datasheet PDF : 13 Pages
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Dual, Audio, Log Taper Digital Potentiometers
ABSOLUTE MAXIMUM RATINGS
VDD, VLOGIC, CS, SCLK, DIN to GND ......................-0.3V to +6V
H_, L_, and W_ to GND ..............................-0.3V to (VDD + 0.3V)
DOUT to GND.............................................-0.3V to (VDD + 0.3V)
AGND to GND .......................................................-0.3V to +0.3V
Input and Output Latchup Immunity...............................±200mA
Maximum Continuous Current into H_, L_, and W_.........±500µA
Continuous Power Dissipation (TA = +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C)........666.7mW
16-Pin QFN (derate 18.5mW/°C above +70°C) .........1481mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-60°C to +150°C
Maximum Junction Temperature .....................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
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.
ELECTRICAL CHARACTERISTICS
(VDD = +2.7V to +3.6V (MAX5408/MAX5409), VDD = +4.5V to +5.5V (MAX5410/MAX5411), VH_ = VDD, VL_ = 0, TA = TMIN to TMAX.
Typical values are at TA = +25°C, unless otherwise specified.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
End-to-End Resistance
7
10
13
kΩ
Maximum Bandwidth
Absolute Tolerance
(Note 1) CW_ = 50pF
100
kHz
±0.25
dB
Tap-to-Tap Tolerance
±0.1
dB
Total Harmonic Distortion + Noise THD+N
Channel Isolation
VIN = 1VRMS, f = 1kHz, tap = -6dB
0.002
%
-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
Wiper Capacitance
Digital Clock Feedthrough
End-to-End Resistance
Temperature Coefficient
RW
CW
fSCLK = 20Hz to 20kHz, tap = -6dB
1000
10
-90
35
1700
Ω
pF
dB
ppm/°C
Ratiometric Resistance
Temperature Coefficient
5
ppm/°C
DIGITAL INPUTS (VLOGIC > 4.5V)
Input High Voltage
VIH
Input Low Voltage
VIL
Input Leakage Current
2.4
V
0.8
V
±1
µA
Input Capacitance
DIGITAL INPUTS (VLOGIC < 4.5V)
5
pF
Input High Voltage
VIH
0.7 x
V
VLOGIC
Input Low Voltage
VIL
0. 3 x
VLOGIC
V
Input Leakage Current
±1
µA
Input Capacitance
5
pF
2 _______________________________________________________________________________________
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