參數(shù)資料
型號(hào)： MAX5487EUD+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 13/13頁(yè)
文件大?。?/td> 0K
描述： IC POT DGTL DUAL 256-TAP 14TSSOP
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）： 10k
電路數(shù)： 2
溫度系數(shù)： 標(biāo)準(zhǔn)值 35 ppm/°C
存儲(chǔ)器類型： 非易失
接口： 3 線串行（芯片選擇）
電源電壓： 2.7 V ~ 5.25 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 14-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 14-TSSOP
包裝： 帶卷 (TR)
MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers
_______________________________________________________________________________________
9
Write-Wiper Register (Command 00)
Data written to the write-wiper registers (C1, C0 = 00)
controls the wiper positions. The 8 data bits (D7 to D0)
indicate the position of the wiper. For example, if DIN =
0000 0000, the wiper moves to the position closest to
L_. If DIN = 1111 1111, the wiper moves closest to H_.
This command writes data to the volatile RAM, leaving the
NV registers unchanged. When the device powers up,
the data stored in the NV registers transfers to the volatile
wiper register, moving the wiper to the stored position.
Write-NV Register (Command 01)
This command (C1, C0 = 01) stores the position of the
wipers to the NV registers for use at power-up.
Alternatively, the “copy wiper register to NV register”
command can be used to store the position of the
wipers to the NV registers. Writing to the NV registers
does not affect the position of the wipers.
Copy Wiper Register to NV Register (Command 10)
This command (C1, C0 = 10) stores the current position
of the wiper to the NV register, for use at power-up.
This command may affect one potentiometer at a time,
Table 1. Register Map
123456789
10
11
12
13
14
15
16
CLOCK EDGE
—
C1
C0
—
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
Write Wiper Register A
00000001
D7
D6
D5
D4
D3
D2
D1
D0
Write Wiper Register B
00000010
D7
D6
D5
D4
D3
D2
D1
D0
Write NV Register A
00010001
D7
D6
D5
D4
D3
D2
D1
D0
Write NV Register B
00010010
D7
D6
D5
D4
D3
D2
D1
D0
Copy Wiper Register A to NV
Register A
00100001
————
—
Copy Wiper Register B to NV
Register B
00100010
————
—
Copy Both Wiper Registers to
NV Registers
00100011
————
—
Copy NV Register A to Wiper
Register A
00110001
————
—
Copy NV Register B to Wiper
Register B
00110010
————
—
Copy Both NV Registers to
Wiper Registers
00110011
————
—
Figure 2. Timing Diagram
CS
tCSO
tCSS
tCL
tCH
tDH
tDS
tCP
tCSH
tCSW
tCS1
SCLK
DIN
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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MAX5488ETE 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
MAX5488ETE#G16 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
MAX5488ETE#TG16 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
MAX5488ETE+ 功能描述:數(shù)字電位計(jì) IC Dual 256-Tap NV SPI-Interface 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
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