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參數(shù)資料
| 型號： | MAX5482ETE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/20頁 |
| 文件大小： | 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： | 2,500 |
| 接片： | 1024 |
| 電阻（歐姆）： | 50k |
| 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： | 帶卷 (TR) |
10-Bit, Nonvolatile, Linear-Taper Digital
Potentiometers
SPI-Compatible Serial Interface
Drive SPI/
UD high to enable the 3-wire SPI-compatible
serial interface (see Figure 3). This write-only interface
contains three inputs: chip select (
CS), data in
(DIN(U/
D)), and data clock (SCLK(INC)). Drive CS low
to load the data at DIN(U/
D) synchronously into the shift
register on each SCLK(
INC) rising edge.
The WRITE command (C1, C0 = 00) requires 24 clock
cycles to transfer the command and data (Figure 4a).
The COPY commands (C1, C0 = 10 or 11) use either
eight clock cycles to transfer the command bits (Figure
4b) or 24 clock cycles with the last 16 data bits disre-
garded by the device.
After loading the data into the shift register, drive
CS
high to latch the data into the appropriate control regis-
ter. Keep
CS low during the entire serial data stream to
avoid corruption of the data. Table 2 shows the com-
mand decoding.
Write Wiper Register
Data written to this register (C1, C0 = 00) controls the
wiper position. The 10 data bits (D9–D0) indicate the
position of the wiper. For example, if DIN(U/
D) = 00 0000
0000, the wiper moves to the position closest to L. If
DIN(U/
D) = 11 1111 1111, the wiper moves closest to H.
This command writes data to the volatile random
access memory (RAM), leaving the NV register
unchanged. When the device powers up, the data
stored in the NV register transfers to the wiper register,
moving the wiper to the stored position. Figure 5 shows
how to write data to the wiper register.
CLOCK EDGE
1
2
3456
789
10
11
12
13
14
15
16
17
18
19
…
24
Bit Name
—
C1
C0
—
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
—
…
—
Write Wiper Register
0
0000
00
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
X
…
X
Copy Wiper Register
to NV Register
00
1000
00
—
————
—…—
Copy NV Register to
Wiper Register
00
1100
00
—
————
—…—
Table 2. Command Decoding*
*
D9 is the MSB and D0 is the LSB.
X = Don’t care.
CS
tCSO
tCSS
tCL
tCH
tDH
tDS
tCP
tCSH
tCSW
tCS1
SCLK(INC)
DIN(U/D)
Figure 3. SPI-Compatible Serial-Interface Timing Diagram (SPI/
UD = 1)
MAX5481–MAX5484
14
Maxim Integrated
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參數(shù)描述 |
|---|---|
| MAX5482EUD | 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 |
| MAX5482EUD+ | 功能描述:數(shù)字電位計(jì) 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 |
| MAX5482EUD+T | 功能描述:數(shù)字電位計(jì) 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 |
| MAX5482EUD-T | 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 | 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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