DS1881 Просмотр технического описания (PDF) - Maxim Integrated
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DS1881 Datasheet PDF : 16 Pages
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Dual NV Audio Taper Digital Potentiometer
ANALOG POTENTIOMETER CHARACTERISTICS
(VDD = +2.7V to +5.5V, VCC = +4.5V to +5.5V, TA = -40°C to +85°C.)
PARAMETER
End-to-End Resistance
End-to-End Resistance Tolerance
Ratiometric Temperature Coefficient
SYMBOL
REE +25°C
+25°C
(Note 6)
CONDITIONS
End-to-End Resistance Temperature
Coefficient
Wiper Resistance
Absolute Attenuation Tolerance
Mute Position Attenuation
Step Size Deviation from Nominal
Interchannel Matching
-3dB Cutoff Frequency
(Note 6)
RW
(Note 7)
(Note 7)
(Note 7)
10pF load
Output Noise
(20Hz to 20kHz, grounded input,
tap = -6dB)
Crosstalk
(1kHz, grounded input, tap = -6dB)
THD+N
Zero-Crossing Detection
tZCD
1kHz, tap = -6dB, CL = 10pF
(Note 8)
MIN
-20
-0.5
-0.25
-0.5
TYP
45
30
750
160
80
5
2.2
-110
0.005
38
MAX
+20
UNITS
kΩ
%
ppm/°C
ppm/°C
250
+0.5
+0.25
+0.5
Ω
dB
dB
dB
dB
MHz
µVRMS
dB
%
50
ms
I2C CHARACTERISTICS (See Figure 4)
(VDD = +2.7V to +5.5V, VCC = +4.5V to +5.5V, TA = -40°C to +85°C. Timing referenced to VIL(MAX) and VIH(MIN).)
PARAMETER
SCL Clock Frequency
Bus Free Time Between STOP and
START Conditions
Hold Time (Repeated) START Condition
Low Period of SCL
High Period of SCL
Data Hold Time
Data Setup Time
START Setup Time
SYMBOL
fSCL
tBUF
tHD:STA
tLOW
tHIGH
tHD:DAT
tSU:DAT
tSU:STA
(Note 9)
CONDITIONS
SDA and SCL Rise Time
tR
(Note 10)
SDA and SCL Fall Time
STOP Setup Time
SDA and SCL Capacitive Loading
EEPROM Write Time
tF
(Note 10)
tSU:STO
CB
tW
(Note 10)
(Note 11)
MIN
TYP
0
1.3
0.6
1.3
0.6
0
100
0.6
20 +
0.1CB
20 +
0.1CB
0.6
5
MAX
400
0.9
300
300
400
10
UNITS
kHz
µs
µs
µs
µs
µs
ns
µs
ns
ns
µs
pF
ms
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