参数资料
| 型号： | MAX9979EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 45/60页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT MAX9979 |
| 标准包装： | 1 |
| 系列： | * |
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Dual 1.1Gbps Pin Electronics with Integrated
PMU and Level-Setting DACs
Table 12. PMU Sense Control Logic
DIGITAL INPUT
LLEAKP_
HIZFORCE_
SERIAL-INTERFACE BITS
FMODE_ MMODE_
PMUSENSE_
PMU MODE
SENSE PATH
1
1
1
1
1
1
1
0
0
0
1
1
0
0
0
0
0
X
X
X
X
X
0
0
1
1
1
X
X
X
X
X
X
X
0
1
1
0
1
1
0
1
0
1
X
0
1
X
0
1
FyMy*
FyMy*
FVMy* (calibration)
FVMy* (calibration)
FNMN
FNMV (calibration)
FNMV (calibration)
FNMN
FNMV (calibration)
FNMV (calibration)
Internal
External
Internal
External
GND
Internal
External
GND
Internal
External
*y = V or I.
PMU Analog Signal Polarities
In FV mode, DUT_ voltage is proportional to level-
setting DAC voltage V IN_ . In FI mode, the current flow-
ing out of DUT_ is equal to:
( V IN ? V IIOS )
4 × R RANGE
Positive current is defined as flowing out of the PMU. In
FN mode, the PMU output is high impedance. Table 13
presents the range resistor values. Table 23 presents
the DAC transfer functions.
PMU Voltage Clamps
Voltage clamps are available on the PMU output only in
the FI mode. Program the clamps with level-setting
DACs CLAMPLO_ and CLAMPHI_. The PMU voltage
clamps handle the full ±50mA and are triggered by the
voltage at DUT_ independent of the voltage at SENSE_.
The voltage clamps override the PMU only, and do not
limit the voltage of external sources. If an external
Table 13. Range Resistor Values
source drives DUT_ beyond a voltage clamp level, the
PMU will current limit safely. When a PMU voltage
clamp is active and at its limit, the MV and MI functions
remain valid. Do not let external voltage levels at DUT_
exceed the absolute maximum rating limits.
PMU Current Clamps
Current clamps are available on the PMU output only in
the FV mode. Program the clamps with level-setting
DACs CLAMPLO_ and CLAMPHI_. The PMU current
clamps handle the full current range (±50mA for range
A, ±2mA for range B, etc.). If the clamp currents are
exceeded, the PMU enters a constant-voltage mode.
The current clamp circuits override the PMU only, and
do not limit external sources. When a PMU current
clamp is active, the MV and MI functions are still valid.
PMU Clamp Enable
The CLENABLE_ bit in the PMU register enable the volt-
age and current clamps. Table 14 presents the clamp
enable control logic.
Table 14. Clamp Enable Control Logic
RANGE
A
B
C
D
E
RESISTOR VALUE ( Ω )
20
500
5k
50k
500k
CLENABLE_ BIT
1
0
MODE
Clamps enabled
Clamps disabled
______________________________________________________________________________________
45
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9979EVKIT+ | 功能描述:其他开发工具 MAX9979 Eval Kit RoHS:否 制造商:Parallax 产品:ELEV-8 Hex Upgrade Kits 类型:Robotics 工具用于评估:ELEV-8 Quadcopter 工作电源电压: |
| MAX9979KCTK+D | 制造商:Maxim Integrated Products 功能描述:DUAL 1.1GBPS PIN ELECTRONICS WITH INTEGRATED PMU AND LEVEL - Bulk 制造商:Maxim Integrated Products 功能描述:DUAL INTEGRATED PIN IC |
| MAX9979KCTK+TD | 制造商:Maxim Integrated Products 功能描述:DUAL 1.1GBPS PIN ELECTRONICS WITH INTEGRATED PMU AND LEVEL-S - Tape and Reel |
| MAX997ESA | 功能描述:校验器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MAX997ESA+ | 功能描述:校验器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
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