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參數(shù)資料
| 型號(hào)： | MAX5499ETE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 8/20頁 |
| 文件大小： | 0K |
| 描述： | IC DIG POT 10BIT 16-TQFN-EP |
| 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： | 1024 |
| 電阻（歐姆）： | 50k |
| 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： | 2.5 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-WQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 16-TQFN-EP（5x5） |
| 包裝： | 帶卷 (TR) |
MAX5494–MAX5499
10-Bit, Dual, Nonvolatile, Linear-Taper
Digital Potentiometers
16
______________________________________________________________________________________
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 11 shows how to copy data from
NV register 1 to wiper register 1.
Standby Mode
The MAX5494–MAX5499 feature a low-power standby
mode. When the device is not being programmed, it
enters into standby mode and supply current drops to
0.6A (typ).
Nonvolatile Memory
The internal EEPROM consists of a nonvolatile register
that retains the last value stored prior to power-down.
The nonvolatile register is programmed to midscale at
the factory. The nonvolatile memory is guaranteed for
50 years for wiper data retention and up to 200,000
wiper write cycles.
Power-Up
Upon power-up, the MAX5494–MAX5499 load the data
stored in the nonvolatile wiper register into the wiper
register, updating the wiper position with the data
stored in the nonvolatile wiper register.
Applications Information
The MAX5494–MAX5499 are intended for circuits
requiring digitally controlled adjustable resistance,
such as LCD contrast control (where voltage biasing
adjusts the display contrast), or programmable filters
with adjustable gain and/or cutoff frequency.
ACTION
00
1
0
00
0
1
12
3
4
5
6
78
SCLK
DIN
CS
C1
C0
RA1
RA0
WRITE NV
REGISTER 1
(DEVICE IS BUSY)
tBUSY
Figure 10. Copy Wiper Register 1 to NV Register 1
ACTION
00
1
00
0
1
12
3
4
5
6
78
SCLK
DIN
CS
C1
C0
RA1
RA0
WIPER REGISTER
1 UPDATED
Figure 11. Copy NV Register 1 to Wiper Register 1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX549AC/D | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX549ACPA | 功能描述:數(shù)模轉(zhuǎn)換器- DAC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX549ACPA+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX549ACUA | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX549ACUA+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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