參數(shù)資料
型號(hào)： DS1882Z-050+T&R
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 10/15頁(yè)
文件大小： 0K
描述： IC POT DIGIT DL LOG 50K 16SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
接片： 64
電阻（歐姆）： 45k
電路數(shù)： 2
溫度系數(shù)： 標(biāo)準(zhǔn)值 750 ppm/°C
存儲(chǔ)器類型： 非易失
接口： I²C（設(shè)備位址）
電源電壓： 4.5 V ~ 7 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 16-SOIC
包裝： 帶卷 (TR)
POTENTIOMETER 0 (CONFIGURATON 1)
ATTENUATION vs. SETTING
DS1882
toc01
SETTING (DEC)
ATTENUATION
(dB)
54
45
36
27
18
9
-80.0
-60.0
-40.0
-20.0
0
-100.0
063
POTENTIOMETER 0 (CONFIGURATON 2)
ATTENUATION vs. SETTING
DS1882
toc02
SETTING (DEC)
ATTENUATION
(dB)
30
24
18
12
6
-80.0
-60.0
-40.0
-20.0
0
-100.0
033
27
21
15
9
3
POTENTIOMETER 1 (CONFIGURATON 1)
ATTENUATION vs. SETTING
DS1882
toc03
SETTING (DEC)
ATTENUATION
(dB)
54
36
18
-80.0
-60.0
-40.0
-20.0
0
-100.0
063
45
27
9
DS1882
Dual Log Audio Digital Potentiometer
4
_____________________________________________________________________
NV MEMORY CHARACTERISTICS
(VDD = +4.5V to +5.5V, VCC = +4.5V to +7.0V, V- = -4.5V to -7.0V, TA = 0°C to +70°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Writes
+70°C (Note 6)
50,000
Note 1:
All voltages are referenced to ground.
Note 2:
The value of VDD should never exceed VCC, including during power-ups. VCC must be applied before VDD.
Note 3:
IDD is specified with SDA = SCL = CE = VDD, resistor pins floating, and digital inputs connected to VDD or GND.
Note 4:
ICC is specified with SDA = SCL = CE = VDD, resistor pins floating, and digital inputs connected to VDD or GND, after zero-
crossing detection has timed out.
Note 5:
The DS1882 will not obstruct the SDA and SCL lines if VDD is switched off as long as the voltages applied to these inputs
do not violate their minimum and maximum input voltage levels.
Note 6:
Guaranteed by design.
Note 7:
Above Position 50, these are typical maximum. Guaranteed by characterization.
Note 8:
Load is representative of the input of a low-noise audio amp.
Note 9:
Timing shown is for fast-mode (400kHz) operation. This device is also backward-compatible with I2C standard-mode timing.
Note 10: CB—Total capacitance of one bus line in picofarads.
Note 11: If zero-crossing detection is enabled, the EEPROM write does not begin until the current zero-crossing detection is com-
plete. Otherwise, EEPROM write begins after a STOP condition occurs.
Typical Operating Characteristics
(VDD = VCC = +5.0V, V- = -5.0V, TA = +25°C.)
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