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| 型号： | MAX5394MATA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/15页 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 256POS 50KOHM 8TDFN |
| 标准包装： | 2,500 |
| 接片： | 256 |
| 电阻（欧姆）： | 50k |
| 电路数： | 1 |
| 温度系数： | 标准值 50 ppm/°C |
| 存储器类型： | 易失 |
| 接口： | 3 线 SPI（芯片选择） |
| 电源电压： | 1.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
MAX5394
Single, 256-Tap Volatile, SPI, Low-Voltage Linear
Taper Digital Potentiometer
4
Maxim Integrated
Note 2: All devices are production tested at TA = +25°C and are guaranteed by design and characterization for TA = -40°C to
+125°C.
Note 3: DNL and INL are measured with the potentiometer configured as a voltage-divider with VH = 5.25 (QP enabled) or VDD
(QP disabled) and VL = GND. The wiper terminal is unloaded and measured with an ideal voltmeter.
Note 4: R-DNL and R-INL are measured with the potentiometer configured as a variable resistor (Figure 1). H is unconnected and
L = GND.
For charge pump enabled, VDD = 1.7V to 5.5V, the wiper terminal is driven with a source current of 400A for the 10k
configuration, 80A for the 50k
configuration, and 40A for the 100k configuration.
For charge pump disabled and VDD = 5.5V, the wiper terminal is driven with a source current of 400A for the 10k
configuration, 80A for the 50k
configuration, and 40A for the 100k configuration.
For charge pump disabled and VDD = +2.6V, the wiper terminal is driven with a source current of 200A for the 10k
configuration, 40A for the 50k
configuration, and 20A for the 100k configuration.
Note 5: The wiper resistance is the maximum value measured by injecting the currents given in Note 4 into W with L = GND.
RW = (VW - VH)/IW.
Note 6: Measured at W with H driven with a 1kHz, 0V to VDD amplitude tone and VL = GND. Wiper at midscale with a 10pF load.
Note 7: Wiper-settling time is the worst-case 0-to-50% rise time, measured between tap 0 and tap 127. H = VDD, L = GND, and
the wiper terminal is loaded with 10pF capacitance to ground.
Note 8: Digital inputs at VDD or GND.
Note 9: Digital timing is guaranteed by design and characterization, and is not production tested.
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 1.7V to 5.5V, VH = VDD, VL = GND, TA = -40°C to +125°C, unless otherwise noted. Typical values are at VDD = 1.8V,
TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAx
uNITS
TIMINg CHARACTERISTICS (Note 9)
SCLK Frequency
fSCLK
2.6V < VDD < 5.5V
50
MHz
1.7V < VDD < 2.6V
25
SCLK Period
tSCLK
2.6V < VDD < 5.5V
20
ns
1.7V < VDD < 2.6V
40
SCLK Pulse-Width High
tCH
8
ns
SCLK Pulse-Width Low
tCL
8
ns
CS Fall to SCLK Fall Setup
Time
tCSS0
To 1st SCLK falling
edge (FE)
2.6V < VDD < 5.5V
8
ns
1.7V < VDD < 2.6V
16
CS Fall to SCLK Fall Hold
Time
tCSH0
Applies to inactive FE preceding 1st FE
0
ns
CS Rise to SCLK Fall Hold
Time
tCSH1
Applies to 16th FE
0
ns
CS Rise to SCLK Fall
tCSA
Applies to 16th FE,
aborted sequence
2.6V < VDD < 5.5V
12
ns
1.7V < VDD < 2.6V
16
SCLK Fall to CS Fall
tCSF
Applies to 16th FE
100
ns
CS Pulse-Width High
tCSPW
20
ns
DIN to SCLK Fall Setup Time
tDS
5
ns
DIN to SCLK Fall Hold Time
tDH
4.5
ns
CS Pulse-Width High
tCSPW
20
ns
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| MAX5394NATA+T | 功能描述:数字电位计 IC Sgl 256-tap Volatile DigiPot w/SPI 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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| MAX5395MATA+T | 功能描述:数字电位计 IC Sgl 256-tap Volatile DigiPot w/SPI 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 |
| MAX5395NATA+T | 功能描述:数字电位计 IC Sgl 256-tap Volatile DigiPot w/SPI 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 |
| MAX539ACPA | 功能描述:数模转换器- DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
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