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| 型号： | MAX5430BEKA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/7页 |
| 文件大小： | 0K |
| 描述： | IC VOLT DIVIDER DGTL PGA SOT23-8 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 接片： | 4 |
| 电阻（欧姆）： | 15k |
| 电路数： | 1 |
| 存储器类型： | 易失 |
| 接口： | 2 输入并口 |
| 电源电压： | 12 V ~ 15 V，±12 V ~ 15 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 |
| 供应商设备封装： | SOT-23-8 |
| 包装： | 标准包装 |
| 产品目录页面： | 1423 (CN2011-ZH PDF) |
| 其它名称： | MAX5430BEKA+TDKR |
Digital Interface Operation
The MAX5430/MAX5431 feature a simple two-bit paral-
lel programming interface. D1 and D0 program the gain
setting according to the Logic-Control Truth Table (see
Table 1). The digital interface is CMOS/TTL logic com-
patible.
Applications Information
Programmable-Gain Amplifier
The MAX5430/MAX5431 are ideally suited for high-pre-
cision PGA applications. The typical application circuit
of Figure 2 uses the MAX5431 with matching resistor to
compensate for voltage offset due to op amp input bias
currents. Use the MAX5430 with an ultra-low input bias
current op amp (see Figure 3).
Power Supplies and Bypassing
The MAX5430/MAX5431 operate from dual ±15V sup-
plies or a single 15V supply. For dual supplies, bypass
VDD and VSS with 0.1F ceramic capacitors to GND.
For single supply, connect VSS to GND and bypass
VDD with a 0.1F ceramic capacitor to GND.
Switching Time and Layout Concerns
The switching time of the MAX5430/MAX5431 depends
on the capacitive loading at W. For best performance,
reduce parasitic board capacitance by minimizing the
circuit board trace from W to the op amp inverting input,
and choose an op amp with low input capacitance.
MAX5430/MAX5431
±15V Digitally Programmable
Precision Voltage-Dividers for PGAs
6
_______________________________________________________________________________________
15V
MATCH_L
W
H
15V
MATCH_H
VSS
VDD
GND
L
MAX5431
VIN
VOUT
15V
W
H
15V
VSS
VDD
GND
L
MAX5430
VIN
VOUT
Figure 2. MAX5431 Typical Application Circuit PGA with Input
IBIAS Matching
Figure 3. Programmable-Gain Amplifier Using the MAX5430
1
2
8
7
SOT23
TOP VIEW
3
4
6
5
MAX5430
VDD
D0
VSS
L
H
W
D1
GND
Pin Configurations (continued)
Chip Information
TRANSISTOR COUNT: 121
PROCESS: CMOS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5430CEKA | 制造商:Maxim Integrated Products 功能描述:+/-15V DIGITALLY PROGRAMMABLE PRECI - Cut Tape Product |
| MAX5430CEKA+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 4POS 15KOHM SGL 8PIN SOT-23 - Rail/Tube 制造商:Maxim Integrated Products 功能描述:PRECISION VOLTAGE-DIVIDERS FOR PGAS |
| MAX5430CEKA+T | 功能描述:数字电位计 IC Precision Voltage Divider for PGAs 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 |
| MAX5430CEKA-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 |
| MAX5431AEUB | 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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