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參數(shù)資料
| 型號(hào)： | DS1856B-020+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 30/31頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RES TEMP-CNTRL 20/20K 16-BGA |
| 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： | 256 |
| 電阻（歐姆）： | 20k |
| 電路數(shù)： | 2 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 50 ppm/°C |
| 存儲(chǔ)器類型： | 非易失 |
| 接口： | 2 線串口 |
| 電源電壓： | 2.85 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 95°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-LBGA，CSPBGA |
| 供應(yīng)商設(shè)備封裝： | 16-CSBGA（4x4） |
| 包裝： | 帶卷 (TR) |
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Dual, Temperature-Controlled Resistors with Inter-
nally Calibrated Monitors and Password Protection
8
Maxim Integrated
DS1856
Detailed Description
The user can read the registers that monitor the VCC,
MON1, MON2, MON3, and temperature analog signals.
After each signal conversion, a corresponding bit is set
that can be monitored to verify that a conversion has
occurred. The signals also have alarm and warning flags
that notify the user when the signals go above or below
the user-defined value. Interrupts can also be set for
each signal.
The position values of each resistor can be indepen-
dently programmed. The user can assign a unique
value to each resistor for every 2°C increment over the
-40°C to +102°C range.
Two buffers are provided to convert logic-level inputs
into open-drain outputs. Typically, these buffers are
used to implement transmit (Tx) fault and loss-of-signal
(LOS) functionality. Additionally, OUT1 can be asserted
in the event that one or more of the monitored values
go beyond user-defined limits.
PIN
BALL
NAME
FUNCTION
1B2
SDA
2-Wire Serial Data I/O Pin. Transfers serial data to and from the device.
2
A2
SCL
2-Wire Serial Clock Input. Clocks data into and out of the device.
3C3
OUT1
Open-Drain Buffer Output
4
A1
IN1
TTL/CMOS-Compatible Input to Buffer
5B1
OUT2
Open-Drain Buffer Output
6
C2
IN2
TTL/CMOS-Compatible Input to Buffer
7C1
N.C.
No Connection
8D1
GND
Ground
9D3
MON1
External Analog Input
10
D4
MON2
External Analog Input
11
C4
MON3
External Analog Input
12
D2
L0
Low-End Resistor 0 Terminal. It is not required that the low-end terminals be connected to a potential
less than the high-end terminals of the corresponding resistor. Voltage applied to any of the resistor
terminals cannot exceed the power-supply voltage, VCC, or go below ground.
13
B3
H0
High-End Resistor 0 Terminal. It is not required that the high-end terminals be connected to a
potential greater than the low-end terminals of the corresponding resistor. Voltage applied to any of
the resistor terminals cannot exceed the power-supply voltage, VCC, or go below ground.
14
B4
L1
Low-End Resistor 1 Terminal
15
A4
H1
High-End Resistor 1 Terminal
16
A3
VCC
Supply Voltage
Pin Description
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1856B-025 | 功能描述:數(shù)字電位計(jì) IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS1856B-025/R | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection |
| DS1856B-025/T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection |
| DS1856B-025R | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection |
| DS1856B-025T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection |
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