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參數(shù)資料
型號(hào): DS1808Z-050/T&R
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 10/17頁(yè)
文件大?。?/td> 0K
描述: IC POT DUAL LOG HV 50K 16-SOIC
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: 32
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: 易失
接口: I²C(設(shè)備位址)
電源電壓: 4.5 V ~ 5.5 V,±4.5 V ~ 13.2 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)
DS1808
2 of 17
DS1808 BLOCK DIAGRAM Figure 1
PIN DESCRIPTIONS
VCC Power Supply Terminal. This pin acts as the positive rail. The DS1808 will support positive supply
voltages ranging from 5 to 13.2 volts. When VCC–VB is less than 8 volts the series wiper resistance will
increase up to 1k
W. The value of VDD should never exceed VCC.
VB Substrate Bias Supply. This pin acts as a negative rail. The DS1808 will support negative voltages
ranging from 0 to -13.2 volts. When VCC–VB is less than 8 volts the series wiper resistance will increase
up to 1k
W.
VDD – DC Supply Terminal. 5V DC voltage supply. The value of VDD should never exceed VCC.
GND – Ground Terminal.
SDA – 2-wire serial data interface. The serial data pin is for serial data transfer to and from the DS1808.
The pin is open drain and may be wire-ORed with other open drain or open collector interfaces.
SCL – 2-wire serial clock interface. The serial clock input is used to clock data into the DS1808 on rising
edges and clock data out on falling edges.
/CE – Port Enable Pin. When active (/CE=0), the port inputs SDA and SCL are recognized by the device.
If inactive (/CE=1), the port input pins SDA and SCL are disabled making 2-wire communication
impossible.
Control Logic
W0
L0
H0
L1
H1
W1
0dB
>90dB
60dB
VCC(+12VSupply)
SCL
Power Supply
VB (-12VSupply)
60dB
>90dB
SDA
GND
CE
VDD(5VSupply)
Address Lines
A0 – A2
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