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參數(shù)資料
| 型號(hào)： | MAX5166NECM+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 11/12頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP SAMPLE/HOLD 32CH 48-LQFP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 放大器類型： | 采樣和保持 |
| 電路數(shù)： | 32 |
| 電流 - 輸入偏壓： | 1µA |
| 電壓 - 輸入偏移： | 5000µV |
| 電流 - 電源： | 36mA |
| 電流 - 輸出 / 通道： | 2mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 帶卷 (TR) |
MAX5166
32-Channel Sample/Hold Amplifier
with Four Multiplexed Inputs
8
_______________________________________________________________________________________
MODE
SELECT
ADDRESS
(A0–A2)
OUTPUT
INPUT
tPW
tAQ
tDH
tH
tAP
HOLD STEP
tDS
Figure 2. Timing Performance
__________Applications Information
Combining Inputs
The MAX5166 contains a separate input for each 1-to-8
multiplexer. Externally connect the input pins to form
larger multiplexers. When all four inputs are connected
to the same source, the MAX5166 is functionally equiv-
alent to the MAX5165, except the MAX5166 does not
contain output clamping diodes.
Control-Line Reduction
The MAX5166 contains four separate 1-to-8 multiplexers
and individual mode selectors for each multiplexer. When
sampling one channel at a time, use an external 2-to-4
decoder (with active-low outputs) to reduce the number
of digital control lines from seven to five (Figure 3).
Single vs. Simultaneous Sampling
Individually control the four mode/multiplexer-select
pins to simultaneously sample on four channels, the
same channel for each multiplexer (Figure 4). Each
mode-select pin controls sampling on one of the 1-to-8
multiplexers, while the 3-bit address selects one of the
eight channels on all the multiplexers (Tables 1 and 2).
Setting any combination of the mode-select pin low
enables sampling on the addressed channels for the
selected multiplexers.
Simultaneously sampling two or more channels reduces
offset voltage but increases acquisition time. Multiply
the single-channel acquisition time by the number of
channels sampling.
Multiplexed DAC
Figure 5 shows a typical demultiplexer application.
Different digital codes are converted by the digital-to-
analog converter (DAC) and then stored on eight differ-
ent channels, or as many as 32 different channels
when all four inputs are active. The 100mV/sec (max)
droop rate requires refreshing the hold capacitors
every 100ms before the voltage drops by 1/2LSB for an
8-bit DAC with a 5V full-scale voltage.
Powering the MAX5166
The MAX5166 does not require a special power-up
sequence to avoid latchup. The device requires three
separate supply voltages for operation; however, when
one or two of the voltages are not available, DC-DC
charge-pump (switched-capacitor) converters provide
a simple, efficient solution. The MAX860 provides volt-
age doubling or inversion, ideal for conversions from
+5V to +10V or from +5V to -5V. The MAX860 also
functions as a voltage divider to provide conversion
from +10V to +5V.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5167 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:32-Channel Sample/Hold Amplifier with Output Clamping Diodes |
| MAX5167LCCM | 功能描述:采樣&保持放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 捕獲時(shí)間:20 us 電源電壓-最大:18 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 安裝風(fēng)格: 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5167LCCM+ | 功能描述:采樣&保持放大器 32Ch Sample/Hold Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 捕獲時(shí)間:20 us 電源電壓-最大:18 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 安裝風(fēng)格: 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5167LCCM+T | 功能描述:采樣&保持放大器 32Ch Sample/Hold Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 捕獲時(shí)間:20 us 電源電壓-最大:18 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 安裝風(fēng)格: 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5167LCCM-T | 功能描述:采樣&保持放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 捕獲時(shí)間:20 us 電源電壓-最大:18 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 安裝風(fēng)格: 封裝 / 箱體:SOIC-14 封裝:Tube |
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