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参数资料
| 型号： | MAX5488ETE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/13页 |
| 文件大小： | 0K |
| 描述： | IC POT DGTL DUAL 256-TAP 16-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 接片： | 256 |
| 电阻（欧姆）： | 50k |
| 电路数： | 2 |
| 温度系数： | 标准值 35 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | 3 线串行（芯片选择） |
| 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： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN（3x3） |
| 包装： | 带卷 (TR) |
MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers
______________________________________________________________________________________
11
Use the following equations to calculate the gain (A)
and the -3dB cutoff frequency (fC):
Adjustable Voltage Reference
Figure 7 shows the MAX5487/MAX5488/MAX5489 used
as the feedback resistors in multiple adjustable volt-
age-reference applications. Independently adjust the
output voltages of the MAX6160s from 1.23V to VIN -
0.2V by changing the wiper positions of the MAX5487/
MAX5488/MAX5489.
Offset Voltage and Gain Adjustment
Connect the high and low terminals of one potentiome-
ter of a MAX5487/MAX5488/MAX5489 to the NULL
inputs of a MAX410, and connect the wiper to the op
amp’s positive supply to nullify the offset voltage over
the operating temperature range. Install the other
potentiometer in the feedback path to adjust the gain of
the MAX410 (see Figure 8).
Chip Information
PROCESS: BiCMOS
f
RC
C =
××
1
2
3
π
A
R
=+
1
2
Figure 4. Positive LCD-Bias Control Using a Voltage-Divider
VOUT
30V
5V
W_
H_
L_
MAX5487
MAX5488
MAX5489
MAX480
Figure 5. Positive LCD-Bias Control Using a Variable Resistor
VOUT
30V
5V
W_
H_
L_
MAX5487
MAX5488
MAX5489
MAX480
14
13
12
11
10
9
8
1
2
3
4
5
6
7
VDD
SCLK
DIN
CS
HB
LA
WA
HA
TOP VIEW
MAX5487
MAX5488
MAX5489
N.C.
GND
N.C.
LB
WB
TSSOP
+
Figure 6. Programmable Filter
1/2 MAX5487
1/2 MAX5488
1/2 MAX5489
1/2 MAX5487
1/2 MAX5488
1/2 MAX5489
VIN
R2
HB
WB
LB
R1
VOUT
R3
HA
WA
LA
C
MAX410
V+
V-
R2, R3 = RHL x D / 256
WHERE RHL = END-TO-END RESISTANCE
AND D = DECIMAL VALUE OF WIPER CODE
Pin Configurations (continued)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5488EUD | 制造商:Maxim Integrated Products 功能描述:DUAL, 256-TAP, NONVOLATILE, SPI-INTERFACE, LI - Rail/Tube |
| MAX5488EUD+ | 功能描述:数字电位计 IC Dual 256-Tap NV SPI-Interface 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 |
| MAX5488EUD+T | 功能描述:数字电位计 IC Dual 256-Tap NV SPI-Interface 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 |
| MAX5488EUD-T | 制造商:Maxim Integrated Products 功能描述:DUAL, 256-TAP, NONVOLATILE, SPI-INTERFACE, LI - Tape and Reel |
| MAX5488EVKIT# | 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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