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參數(shù)資料
| 型號(hào)： | MAX397 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Precision, Dual 8-Channel,Low-Voltage, CMOS Analog Multiplexers(接通電阻100Ω,漏電流0.1nA,導(dǎo)通速率0.15μs,模擬轉(zhuǎn)換器) |
| 中文描述： | 高精度、16通道/雙8通道、低電壓、CMOS模擬多路復(fù)用器 |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大?。?/td> | 161K |
| 代理商： | MAX397 |
M
Prec ision, 16-Channel/Dual 8-Channel,
Low-Voltage, CMOS Analog Multiplexers
_______________________________________________________________________________________
7
______________________________________________________________Pin Desc ription
—
2
PIN
MAX396
1
2, 3, 13
—
—
4–11
—
12
14–17
—
18
19–26
—
27
28
—
MAX397
1
NAME
FUNCTION
V+
N.C.
COMB
N.C.
NO16–NO9
NO8B–NO1B
GND
A3–A0
A2, A1, A0
EN
NO1–NO8
NO1A–NO8A
V-
COM
COMA
Positive Supply-Voltage Input
No Internal Connection
Analog Signal B Output* (bidirectional)
No Internal Connection
Analog Signal Inputs* (bidirectional)
Analog Signal B Inputs* (bidirectional)
Logic Ground
Logic Address Inputs
Logic Address Inputs
Logic Enable Input
Analog Signal Inputs* (bidirectional)
Analog Signal A Inputs* (bidirectional)
Negative Supply-Voltage Input
Analog Signal Output* (bidirectional)
Analog Signal A Output* (bidirectional)
3, 13, 14
—
4–11
12
—
15, 16, 17
18
—
19–26
27
—
28
__________Applic ations Information
Operation with S upply V oltages
Other than ±5V
Using supply voltages less than ±5V reduces the analog
signal range. The MAX396/MAX397 multiplexers (muxes)
operate with ±3V to ±8V bipolar supplies or with a +3V to
+15V single supply. Connect V- to GND when operating
with a single supply. Both devices can also operate with
unbalanced supplies, such as +10V and -5V. The Typical
Operating Characteristics graphs show typical on-
resistance with ±3V, ±5V, +3V, and +5V supplies.
(Switching times increase by a factor of two or more for
operation at 5V or below.)
These muxes operate with a single supply as low as 1V,
although on-resistance and switching times become
extremely high. Performance is not guaranteed below
2.7V. This is useful information only because it assures
proper switch state while power supplies ramp up or
down slowly.
Overvoltage Protec tion
Proper power-supply sequencing is recommended for
all CMOS devices. Do not exceed the absolute maxi-
mum ratings, because stresses beyond the listed rat-
ings can cause permanent damage to the devices.
Always sequence V+ on first, then V-, followed by the
logic inputs, NO, or COM. If power-supply sequencing
is not possible, add two small-signal diodes (D1, D2) in
series with supply pins for overvoltage protection
(Figure 1). Adding diodes reduces the analog-signal
range to one diode drop below V+ and one diode drop
above V-, but does not affect the devices’ low switch
resistance and low leakage characteristics. Device
operation is unchanged, and the difference between
V+ and V- should not exceed 17V. These protection
diodes are not recommended when using a single supply.
*Analog signal inputs and outputs are names of convenience only; they are identical and interchangeable.
COM
V-
V+
NO
*INTERNAL PROTECTION DIODES
D2
D1
-5V
+5V
MAX396
MAX397
*
*
*
*
Figure 1. Overvoltage Protection Using External Blocking Diodes
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| MAX3970EVKIT | 功能描述:交換機(jī) IC 開發(fā)工具 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:USB Power Switches 工具用于評(píng)估:MAX4984E 工作電源電壓:2.8 V to 5.5 V |
| MAX3970U/D | 功能描述:多路器開關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX3970U/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX3971AEVKIT | 功能描述:放大器 IC 開發(fā)工具 RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V |
| MAX3971AU/D | 功能描述:限幅放大器 +3.3V 10.7Gbps Limiting Amplifier RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
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