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| 型号： | MAX11058ECB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/25页 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT PAR 250KSPS 64TQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 750 |
| 位数： | 14 |
| 采样率（每秒）： | 250k |
| 数据接口： | 并联 |
| 转换器数目： | 6 |
| 功率耗散（最大）： | 3.48W |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-TQFP 裸露焊盘 |
| 供应商设备封装： | 64-TQFP-EP（10x10） |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 6 个单端，单极 |
MAX11047–MAX11049/MAX11057–MAX11059
4-/6-/8-Channel, 16-/14-Bit,
Simultaneous-Sampling ADCs
______________________________________________________________________________________
15
Input Range and Protection
The full-scale analog input voltage is a product of the
reference voltage. For the devices, the input is unipolar
in the range of:
In external reference mode, drive VREFIO with a 3.0V to
4.25V source, resulting in a full-scale input range of
3.662V to 5.188V, respectively.
All analog inputs are fault-protected up to ±20mA. The
devices include an input clamping circuit that activates
when the input voltage at the analog input is above
(VAVDD + 300mV) or below -300mV. The clamp circuit
remains high impedance while the input signal is within
the range of 0V to +VAVDD and draws little to no cur-
rent. However, when the input signal exceeds the range
of 0V to +VAVDD, the clamps begin to turn on.
Consequently, to obtain the highest accuracy, ensure
that the input voltage does not exceed the range of 0V
to +VAVDD.
To make use of the input clamps, connect a resistor
(RS) between the analog input and the voltage source
to limit the voltage at the analog input so that the fault
current into the devices does not exceed ±20mA. Note
that the voltage at the analog input pin limits to approxi-
mately 7V during a fault condition so the following
equation can be used to calculate the value of RS:
where VFAULT_MAX is the maximum voltage that the
source produces during a fault condition.
R
VV
mA
S
FAULT MAX
=
_
7
20
0
50
4 096
to
V
x
REFIO
+
.
MAX11047/MAX11048/MAX11049/
MAX11057/MAX11058/MAX11059
CLAMP
S/H
16-/14-BIT ADC
CLAMP
S/H
16-/14-BIT ADC
REF
BUF
CONFIGURATION
REGISTERS
INTERFACE
AND
CONTROL
BANDGAP
REFERENCE
8x
16-/1
4-BIT
REGISTERS
BIDIRECTIONAL
DR
IVERS
CH0
SOURCE
AVDD
AGNDS
*CONNECTED INTERNALLY ON THE TQFN PARTS
**MAX11047/MAX11048/MAX11049
MAX11049/MAX11059
AGND
CH7
DB15**
DB0/CR0
DB3/CR3
DB4
EOCb
SHDN
CONVST
CSb
RDb
WRb
DGND
DVDD
RDC
RDC_SENSE*
REFIO
INT REF
10k
EXT REF
RS
INPUT
SIGNAL
PIN
VOLTAGE
Figure 1. Required Setup for Clamp Circuit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX11059ECB+ | 功能描述:模数转换器 - ADC 14Bit 8Ch 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 |
| MAX11059ECB+T | 功能描述:模数转换器 - ADC 14Bit 8Ch 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 |
| MAX1106 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Single-Supply, Low-Power, Serial 8-Bit ADCs |
| MAX11060GUU | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:24-/16-Bit, 4-Channel, Simultaneous-Sampling, Cascadable, Sigma-Delta ADCs |
| MAX11060GUU+ | 功能描述:模数转换器 - ADC 24/16Bit 4Ch Precision ADC 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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