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DS1881 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. DS1881
Description  Dual NV Audio Taper Digital Potentiometer
Download  16 Pages
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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DS1881 Datasheet(HTML) 3 Page - Maxim Integrated Products

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


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