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參數(shù)資料
| 型號： | MAX5483ETE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT DGTL 10BIT NV 16-TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 接片： | 1024 |
| 電阻（歐姆）： | 10k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 35 ppm/°C |
| 存儲器類型： | 非易失 |
| 接口： | 4 線串行（芯片選擇，遞增，增/減） |
| 電源電壓： | 2.7 V ~ 5.25 V，±2.5 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 16-TQFN（3x3） |
| 包裝： | 管件 |
10-Bit, Nonvolatile, Linear-Taper Digital
Potentiometers
Copy Wiper Register to NV Register
The copy wiper register to NV register command (C1,
C0 = 10) stores the current position of the wiper to the
NV register for use at power-up. Figure 6 shows how to
copy data from wiper register to NV register. The oper-
ation takes up to 12ms (max) after
CS goes high to
complete and no other operation should be performed
until completion.
Copy NV Register to Wiper Register
The copy NV register to wiper register (C1, C0 = 11)
restores the wiper position to the current value stored in
the NV register. Figure 7 shows how to copy data from
the NV register to the wiper register.
Digital Up/Down Interface
Figure 8 illustrates an up/down serial-interface timing
diagram. In digital up/down interface mode (SPI/
UD =
0), the logic inputs
CS, DIN(U/D), and SCLK(INC) con-
trol the wiper position and store it in nonvolatile memory
(see Table 3). The chip-select (
CS) input enables the
serial interface when low and disables the interface
when high. The position of the wiper is stored in the
nonvolatile register when
CS transitions from low to
high while SCLK(
INC) is high.
When the serial interface is active (
CS low), a high-to-
low (falling edge) transition on SCLK(
INC) increments
or decrements the internal 10-bit counter depending on
the state of DIN(U/
D). If DIN(U/D) is high, the wiper
increments. If DIN(U/
D) is low, the wiper decrements.
The device stores the value of the wiper position in the
nonvolatile memory when
CS transitions from low to high
while SCLK(
INC) is high. The host system can disable
the serial interface and deselect the device without stor-
ing the latest wiper position in the nonvolatile memory by
keeping SCLK(
INC) low while taking CS high.
Upon power-up, the MAX5481–MAX5484 load the
value of nonvolatile memory into the wiper register, and
set the wiper position to the value last stored.
ACTION
00
1
0
00
0
12
3
4
5
6
78
CS
C1
C0
WRITE NV
REGISTER
(DEVICE IS
BUSY)
tBUSY
SCLK(INC)
DIN(U/D)
Figure 6. Copy Wiper Register to NV Register Operation
CS
DIN(U/D)
SCLK(INC)W
LL
↓
Decrement
LH
↓
Increment
LX
↑
No Change
H
X
No Change
↓
X
No Change
↑
X
L
Position Not Stored
↑
X
H
Position Stored
Table 3. Truth Table
↑ = Low-to-high transition.
↓ = High-to-low transition.
X
= Don’t care.
ACTION
00
1
00
0
12
3
4
5
6
78
CS
C1
C0
WIPER
REGISTER
UPDATED
SCLK(INC)
DIN(U/D)
Figure 7. Copy NV Register to Wiper Register Operation
MAX5481–MAX5484
16
Maxim Integrated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5483ETE+ | 功能描述:數(shù)字電位計 IC 10-Bit Nonvolatile Linear-Taper 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 |
| MAX5483ETE+T | 功能描述:數(shù)字電位計 IC 10-Bit Nonvolatile Linear-Taper 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 |
| MAX5483ETE-T | 功能描述:數(shù)字電位計 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 |
| MAX5483EUD | 功能描述:數(shù)字電位計 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 |
| MAX5483EUD+ | 功能描述:數(shù)字電位計 IC 10-Bit Nonvolatile Linear-Taper 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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