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参数资料
| 型号： | MAX5433META+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/19页 |
| 文件大小： | 0K |
| 描述： | IC POT DGTL 32-TAP NV I2C 8-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 接片： | 32 |
| 电阻（欧姆）： | 100k |
| 电路数： | 1 |
| 温度系数： | 标准值 35 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 2.7 V ~ 5.25 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WDFN 裸露焊盘 |
| 供应商设备封装： | 8-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
MAX5432–MAX5435
32-Tap, Nonvolatile, I2C, Linear, Digital
Potentiometers
10
______________________________________________________________________________________
Command Byte
Use the command byte to select the destination of the
wiper data (nonvolatile or volatile memory registers)
and swap data between nonvolatile and volatile memo-
ry registers (see Table 2).
Data Byte
The MAX5432–MAX5435 use the first 5 bits (MSBs,
D7–D3) of the data byte to set the position of the wiper.
The last 3 bits (D2, D1, and D0) are don’t care bits (see
Table 2).
Command Descriptions
VREG: The data byte writes to the volatile memory reg-
ister and the wiper position updates with the data in the
volatile memory register.
NVREG: The data byte writes to the nonvolatile memory
register. The wiper position is unchanged.
NVREGxVREG: Data transfers from the nonvolatile
memory register to the volatile memory register (wiper
position updates).
VREGxNVREG: Data transfers from the volatile memory
register into the nonvolatile memory register.
VDD
IOL = 3mA
IOH = 0mA
VOUT
400pF
SDA
Figure 2. Load Circuit
REGISTER
ADDRESS BYTE
COMMAND BTYE
DATA BYTE
1234
56789
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
SCL CYCLE
NUMBER
START
A6 A5 A4 A3 A2 A1 A0
N
O
P/
W
A
C
K
C7 C6 C5 C4 C3 C2 C1 C0
A
C
K
D7 D6 D5 D4 D3 D2 D1 D0
A
C
K
STOP
VREG
0101
A2 A1 A0
0
0001
0
001
D7 D6 D5 D4 D3
X
NVREG
0101
A2 A1 A0
0
0010
0
001
D7 D6 D5 D4 D3
X
NVREGxVREG
0101
A2 A1 A0
0
0110
0
001
D7 D6 D5 D4 D3
X
VREGxNVREG
0101
A2 A1 A0
0
0101
0
001
D7 D6 D5 D4 D3
X
Table 2. Command Byte Summary
SDA
START
CONDITION
SCL
S
STOP
CONDITION
P
Figure 3. Start and Stop Conditions
SDA
SCL
*SEE THE Ordering Information/Selector Guide FOR OTHER ADDRESS OPTIONS.
01
A0
MSB
LSB
NOP/W
ACK
0
1
0*
Figure 4. Slave Address
X = Don’t care.
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相关代理商/技术参数 |
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| MAX5434LEZT+T | 功能描述:数字电位计 IC 32-Tap Nonvolatile I2C Linear RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| MAX5434LEZT-T | 功能描述:数字电位计 IC RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
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