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參數(shù)資料
| 型號(hào)： | MAX399 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Precision, 8-Channel/Dual 4-Channel, Low-Voltage, CMOS Analog Multiplexers |
| 中文描述： | 高精度、8通道/雙4通道、低電壓、CMOS模擬多路復(fù)用器 |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大?。?/td> | 101K |
| 代理商： | MAX399 |
M
__________Applic ations Information
Operation with S upply V oltages
Other than ±5V
Using supply voltages less than ±5V reduces the analog
signal range. The MAX398/MAX399 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 device types can also operate with unbal-
anced supplies, such as +10V and -5V. The Typical
Operating Characteristics graphs show typical on-resis-
tance with ±3V, ±5V, +3V and +5V supplies. (Switching
times increase by a factor of two or more for operation at
5V.)
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.
Prec ision, 8-Channel/Dual 4-Channel,
Low-Voltage, CMOS Analog Multiplexers
8
_______________________________________________________________________________________
______________________________________________Test Circ uits/T iming Diagrams
COM
V-
V+
NO
* INTERNAL PROTECTION DIODES
D2
D1
-5V
+5V
MAX398
MAX399
*
*
*
*
Figure 1. Overvoltage Protection Using External Blocking Diodes
50%
t
TRANS
tR < 20ns
tF < 20ns
V
OUT
+3V
0V
V
NO1
0V
V
NO8
LOGIC
INPUT
V
EN
SWITCH
OUTPUT
+5V
VOUT
-5V
GND
V+
A1
V-
A2
A0
EN
NO1
NO2-NO7
NO8
COM
+5V
-5V
50
MAX398
300
35pF
+5V
VOUT
-5V
GND
V+
A0
V-
A1
EN
NO1B
NO1A-NO4A
NO4B
COMB
+5V
50
MAX399
300
35pF
90%
90%
t
TRANS
ON
-5V
V
EN
V
EN
Figure 2. Transition Time
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| MAX399EJE | Precision, 8-Channel/Dual 4-Channel, Low-Voltage, CMOS Analog Multiplexers |
| MAX398CPE | DC to 4-GBPS Dual 1:2 MUX/Repeater/Equalizer 48-VQFN -40 to 85 |
| MAX398CSE | DC to 4-GBPS Dual 1:2 MUX/Repeater/Equalizer 48-VQFN -40 to 85 |
| MAX398EPE | DC to 4-GBPS Dual 1:2 MUX/Repeater/Equalizer 48-VQFN -40 to 85 |
| MAX398ESE | DC to 4-GBPS Dual 1:2 MUX/Repeater/Equalizer 48-VQFN -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3991U/DW-B3Y DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX3991UTG+ | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 10Gbps Clock & Data Recovery RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| MAX3991UTG+T | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 10Gbps Clock & Data Recovery RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| MAX3992UTG+ | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 10Gbps Clock & Data Recovery RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| MAX3992UTG+T | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 10Gbps Clock & Data Recovery RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
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