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参数资料
| 型号： | MAX4598EAP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC MULTIPLEXER DUAL 4X1 20SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 功能： | 多路复用器 |
| 电路： | 2 x 4:1 |
| 导通状态电阻： | 75 欧姆 |
| 电压电源： | 单/双电源 |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 12 V，± 2.7 V ~ 6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 20-SSOP |
| 包装： | 带卷 (TR) |
MAX4598
Low-Voltage, Combination Single-Ended
8-to-1/Differential 4-to-1 Multiplexer
8
_______________________________________________________________________________________
Truth Table
NO7
x
0
NO8
x
0
NO1
x
1
NO3
x
1
NO5
x
1
NO3
x
0
NO4
x
0
NO5
x
0
NO6
x
0
NO2
x
0
NO1
x
0
A3
State is latched on the
rising edge of LATCH
x
High-Z
x
COMA
LATCH
V+
x
1
NO8
x
1
High-Z
x
1
NO7
x
1
GND
x
1
0
1
0
A2
x
1
0
1
0
1
0
A1
x
0
1
0
1
0
1
0
1
0
1
0
1
0
A0
x
1
0
1
0
1
EN
1
0
1
0
x
NLATCH
1
GND
NO2
NO4
NO6
GND
State is latched on the
rising edge of LATCH
High-Z
COMB
GND
NO8
High-Z
NO8
GND
x = Don’t care
Virtually all the analog leakage current is through the
ESD diodes. Although the ESD diodes on a given sig-
nal pin are identical, and therefore fairly well balanced,
they are reverse-biased differently. Each is biased by
either V+ or V- and the analog signal. This means their
leakage varies as the signal varies. The difference in
the two diodes’ leakage from the signal path to the V+
and V- pins constitutes the analog signal-path leakage
current. All analog leakage current flows to the supply
terminals, not to the other switch terminal. This explains
how both sides of a given switch can show leakage
currents of either the same or opposite polarity.
There is no connection between the analog signal
paths and GND. The analog signal paths consist of an
N-channel and a P-channel MOSFET, with their sources
and drains paralleled and their gates driven out of
phase with V+ and V- by the logic-level translators.
V+ and GND power the internal logic and logic-level
translators, and set the input logic thresholds. The
logic-level translators convert the logic levels to
switched V+ and V- signals to drive the analog switch
gates. This drive signal is the only connection between
the logic supplies and the analog supplies. All pins
have ESD protection to V+ and to V-.
Increasing V- has no effect on the logic-level thresh-
olds, but it does increase the drive to the P-channel
switches, reducing their on-resistance. V- also sets the
negative limit of the analog signal voltage.
The logic-level thresholds are CMOS- and TTL-compat-
ible when V+ is +5V. As V+ is raised, the threshold
increases slightly; when V+ reaches +12V, the level
threshold is about 3.2V, which is above the TTL output
high-level minimum of 2.4V but still compatible with
CMOS outputs.
Bipolar-Supply Operation
The MAX4598 operates with bipolar supplies between
±2.7V and ±6V. The V+ and V- supplies need not be
symmetrical, but their sum cannot exceed the absolute
maximum rating of 13V. Do not connect the MAX4598
V+ pin to +3V and connect the logic-level input pins
to TTL logic-level signals. TTL logic-level outputs
can exceed the absolute maximum ratings, causing
damage to the part and/or external circuits.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4598EPP | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX4598EWP | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX4598EWP+T | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX4598EWP-T | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX4599ELT+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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