MAX5477 データシートの表示（PDF） - Maxim Integrated
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MAX5477 Datasheet PDF : 16 Pages
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Dual, 256-Tap, Nonvolatile, I2C-Interface,
Digital Potentiometers
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +5.25V, H_ = VDD, L_ = GND, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VDD = +5V,
TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Dual Code Matching
R0 and R1 set to same code
(all codes), VDD = 3V or 5V
±3
LSB
DC PERFORMANCE (RESISTOR CHARACTERISTICS)
Wiper Resistance
Wiper Capacitance
End-to-End Resistance
RW
(Note 5)
CW
MAX5477
RHL
MAX5478
MAX5479
325
675
10
pF
7.5
10
12.5
37.5
50
62.5
k
75
100
125
DIGITAL INPUTS
Input High Voltage (Note 6)
Input Low Voltage
Output Low Voltage
WP Pullup Resistance
Input Leakage Current
Input Capacitance
VIH
VIL
VOL
IWP
ILEAK
VDD = 3.4V to 5.25V
VDD < 3.4V
(Note 6)
ISINK = 3mA
2.4
0.7 x VDD
255
5
V
0.8
V
0.4
V
k
±1
µA
pF
DYNAMIC CHARACTERISTICS
Crosstalk
HA = 1kHz (0 to VDD), LA = GND,
LB = GND, measure WB
-75
dB
3dB Bandwidth (Note 7)
MAX5477
MAX5478
400
100
kHz
MAX5479
50
Total Harmonic Distortion Plus
Noise
THD+N H_ = 1VRMS, f = 1kHz, L_ = GND,
measure W_
0.003
%
NONVOLATILE MEMORY RELIABILITY
Data Retention
Endurance
POWER SUPPLY
Power-Supply Voltage
TA = +85°C
TA = +25°C
TA = +85°C
VDD
50
200,000
50,000
Years
Stores
2.70
5.25
V
Supply Current
Writing to EEPROM, digital inputs at
GND or VDD, TA = +25°C (Note 8)
IDD
Normal operation,
WP = GND
digital inputs at GND or
VDD, TA = +25°C
WP = VDD
250
400
15
20.6
µA
0.5
1
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