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参数资料
| 型号： | MAX5167NCCM+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/12页 |
| 文件大小： | 0K |
| 描述： | IC AMP SAMPLE/HOLD 32CH 48-LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 放大器类型： | 采样和保持 |
| 电路数： | 32 |
| 电流 - 输入偏压： | 1µA |
| 电压 - 输入偏移： | 5000µV |
| 电流 - 电源： | 36mA |
| 电流 - 输出 / 通道： | 2mA |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 带卷 (TR) |
MAX5167
Detailed Description
Digital Interface
The MAX5167 has three logic control inputs and five
address lines. The address lines are inputs to a demul-
tiplexer that selects one of the 32 outputs in a standard
addressing scheme (Table 1). The analog input is con-
nected to the addressed sample/hold when directed by
the control logic (Table 2).
The three logic control lines determine the state of the
addressed sample/hold. The normal circuit connection
for this device is to hardwire CONFIG and SELECT to
opposing logic voltages. When SELECT and CONFIG
are in opposite states (one high and the other low), the
five address lines select one of the sample/holds. Use
the S/H line to place the selected channel into sample
or hold mode. The other 31 channels will remain in hold
mode.
If an active-high sampling mode is desired, tie S/H and
CONFIG low. In this case, SELECT controls the
addressed channel with a high state putting that chan-
nel into sample mode.
The SELECT and CONFIG pins allow the design of a
virtual 64-channel device using two of the MAX5167s.
See the Applications Information section for more infor-
mation about the 64 output addressing scheme.
Sample/Hold
The MAX5167 contains 32 buffered sample/hold circuits
with internal hold capacitors. Internal hold capacitors
minimize leakage current, dielectric absorption,
feedthrough, and required board space. The value of
the hold capacitor affects acquisition time and droop
rate. Smaller capacitance allows faster acquisition times
but increases the droop rate. Larger values increase
hold acquisition time. The hold capacitor used in the
MAX5167 provides fast 2.5s (typ) acquisition time while
maintaining a relatively low 1mV/s (typ) droop rate, mak-
ing the sample/hold ideal for high-speed sampling.
Sample Mode
When SELECT and CONFIG are in opposing logic states,
the S/H line controls the mode of operation. Sample mode
is entered when S/H is low. During sample mode, the
selected multiplexer channel connects to IN, allowing the
32-Channel Sample/Hold Amplifier
with Output Clamping Diodes
6
_______________________________________________________________________________________
MAX5167
SW1
CS
SW2
SW30 SW31
ADDR0–ADDR4
S/H
SELECT
CONFIG
IN
OUT0
OUT1
OUT30
OUT31
CH
CL
Figure 1. Functional Diagram
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| MAX5168MCCM+T | IC AMP SAMPLE/HOLD 32CH 48-LQFP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5167NECM | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:32-Channel Sample/Hold Amplifier with Output Clamping Diodes |
| MAX5168 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:32-Channel Sample/Hold Amplifier with a Single Multiplexed Input |
| MAX5168LCCM | 功能描述:采样&保持放大器 RoHS:否 制造商:Texas Instruments 通道数量:2 捕获时间:20 us 电源电压-最大:18 V 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格: 封装 / 箱体:SOIC-14 封装:Tube |
| MAX5168LCCM+ | 功能描述:采样&保持放大器 32Ch Sample/Hold Amp RoHS:否 制造商:Texas Instruments 通道数量:2 捕获时间:20 us 电源电压-最大:18 V 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格: 封装 / 箱体:SOIC-14 封装:Tube |
| MAX5168LCCM+T | 功能描述:采样&保持放大器 32Ch Sample/Hold Amp RoHS:否 制造商:Texas Instruments 通道数量:2 捕获时间:20 us 电源电压-最大:18 V 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格: 封装 / 箱体:SOIC-14 封装:Tube |
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