参数资料
型号: DS1882Z-050+T&R
厂商: Maxim Integrated Products
文件页数: 9/15页
文件大小: 0K
描述: IC POT DIGIT DL LOG 50K 16SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
接片: 64
电阻(欧姆): 45k
电路数: 2
温度系数: 标准值 750 ppm/°C
存储器类型: 非易失
接口: I²C(设备位址)
电源电压: 4.5 V ~ 7 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC
包装: 带卷 (TR)
DS1882
Dual Log Audio Digital Potentiometer
_____________________________________________________________________
3
I2C CHARACTERISTICS (See Figure 4)
(VDD = +4.5V to +5.5V, VCC = +4.5V to +7.0V, V- = -4.5V to -7.0V, 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
s
Hold Time (Repeated) START Condition
tHD:STA
0.6
s
Low Period of SCL
tLOW
1.3
s
High Period of SCL
tHIGH
0.6
s
Data Hold Time
tHD:DAT
0
0.9
s
Data Setup Time
tSU:DAT
200
ns
START Setup Time
tSU:STA
0.6
s
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
s
SDA and SCL Capacitive Loading
CB
(Note 10)
400
pF
EEPROM Write Time
tW
(Note 11)
5
10
ms
ANALOG POTENTIOMETER CHARACTERISTICS
(VDD = +4.5V to +5.5V, VCC = +4.5V to +7.0V, V- = -4.5V to -7.0V, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
End-to-End Resistance
REE
+25°C45
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
100
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
VRMS
Crosstalk
1kHz, grounded input, tap = -6dB
-120
dB
THD+N
1kHz, tap = -6dB, CL = 10pF
(Note 8)
0.005
%
Zero-Crossing Detection
tZCD
38
50
ms
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