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参数资料
| 型号： | MAX11046EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/28页 |
| 文件大小： | 0K |
| 描述： | KIT EVALUATION FOR MAX11046 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| ADC 的数量： | 8 |
| 位数： | 16 |
| 采样率（每秒）： | 250k |
| 数据接口： | 并联 |
| 输入范围： | ±5 V |
| 工作温度： | -40°C ~ 85°C |
| 已用 IC / 零件： | MAX11046 |
| 已供物品： | 板，线缆 |
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4-/6-/8-Channel, 16-/14-Bit,
Simultaneous-Sampling ADCs
17
Maxim Integrated
MAX11044/MAX11044B/MAX11045/MAX11045B/
MAX11046/MAX11046B/MAX11054/MAX11055/MAX11056
where VFAULT_MAX is the maximum voltage that the
source produces during a fault condition.
Figures 2 and 3 illustrate the clamp circuit voltage-cur-
rent characteristics for a source impedance RS =
1280
Ω. While the input voltage is within the ±(VAVDD +
300mV) range, no current flows in the input clamps.
Once the input voltage goes beyond this voltage range,
the clamps turn on and limit the voltage at the input pin.
Applications Information
Digital Interface
The bidirectional, parallel, digital interface, CR0–CR3,
sets the 4-bit configuration register. This interface con-
figures the following control signals: chip select (CS),
read (RD), write (WR), end of conversion (EOC), and
convert start (CONVST). Figures 6 and 7 and the
Timing Characteristics in the
Electrical Characteristics
table show the operation of the interface.
DB0–DB15/DB13 output the 16-/14-bit conversion result.
All bits are high impedance when RD = 1 or CS = 1.
CR3 (Int/Ext Reference)
CR3 selects the internal or external reference. The POR
default = 0.
0 = internal reference, REFIO internally driven through a
10k
Ω resistor, bypass with 0.1μF capacitor to AGND.
1 = external reference, drive REFIO with a high-quality
reference.
CR2 (Output Data Format)
CR2 selects the output data format. The POR default = 0.
0 = offset binary.
1 = two’s complement.
CR1 (Reserved)
CR1 must be set to 0.
CR0 (CONVST Mode)
CR0 selects the acquisition mode. The POR default = 0.
0 = CONVST controls the acquisition and conversion.
Drive CONVST low to start acquisition. The rising edge
of CONVST begins the conversion.
1 = acquisition mode starts as soon as the previous
conversion is complete. The rising edge of CONVST
begins the conversion.
Programming the Configuration Register
To program the configuration register, bring the CS and
WR low and apply the required configuration data on
CR3–CR0 of the bus and then raise WR once to save
changes.
CAUTION: When the configuration register is not
being programmed, the host driving CR3–CR0 must
relinquish the bus when the conversion results of
the ADC are being read!
R
VV
mA
S
FAULT MAX
_
=
-7
20
CR3
CR2
CR1
CR0
Int/Ext
Reference
Output
Data Format
Must be set
to 0
CONVST
Mode
Table 1. Configuration Register
MAX11044
fig02
SIGNAL VOLTAGE AT SOURCE AND PIN (V)
I CLAMP
(mA)
-10
-30
30
10
30
-30
10
-10
-20
20
0
-50
50
RS = 1280
Ω
VAVDD = 5V
AT CH_ INPUT
AT SOURCE
Figure 2. Input Clamp Characteristics
MAX11044
fig03
SIGNAL VOLTAGE AT SOURCE AND PIN (V)
I CLAMP
(mA)
-4
-6
246
0
-2
30
-30
10
-10
-20
20
0
-8
8
RS = 1280
Ω
VAVDD = 5V
AT CH_ INPUT
AT SOURCE
Figure 3. Input Clamp Characteristics (Zoom In)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX11046EVKIT+ | 功能描述:数据转换 IC 开发工具 MAX11046 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| MAX11047 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:4-/6-/8-Channel, 16-Bit, Simultaneous-Sampling ADCs |
| MAX11047_11 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCs |
| MAX11047ECB+ | 功能描述:模数转换器 - ADC 16Bit 4Ch Simult Sampling RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX11047ECB+T | 功能描述:模数转换器 - ADC 16Bit 4Ch Simult Sampling RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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