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| 型号： | MAX4528CPA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH DUAL SPDT 8DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 功能： | 开关 |
| 电路： | 2 x SPDT |
| 导通状态电阻： | 110 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 |
| 电流 - 电源： | 1µA |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
MAX4528
Low-Voltage, Phase-Reversal
Analog Switch
8
_______________________________________________________________________________________
Bipolar Supplies
The MAX4528 operates with bipolar supplies between
±2.7V and ±6.0V. The V+ and V- supplies need not be
symmetrical, but their sum cannot exceed the 13V
absolute maximum rating (see
Absolute Maximum
Ratings).
Single Supply
The MAX4528 operates from a single +2.7V to +12V
supply when V- is connected to GND. Observe all of
the bipolar precautions when operating from a single
supply.
__________Applications Information
The MAX4528 is designed for DC and low-frequency-
signal phase-reversal applications. Both DC and AC
symmetry are optimized for use with ±5V supplies.
Signal Phase/Polarity Reversal
The MAX4528 can reverse the phase or polarity of a
pair of signals that are out-of-phase and balanced to
ground. This is done by routing signals through the
MAX4528 and, under control of IN, reversing the two
signals paths inside the switch before sending out to a
balanced output. Figure 1 shows a typical example.
The MAX4528 cannot reverse the phase or polarity
of a single grounded signal, as can be done with an
inverting op amp or transformer.
Balanced Modulator/Demodulator
The MAX4528 can be used as a balanced modulator/
demodulator at carrier frequencies up to 100kHz
(Figure 2). Higher frequencies are possible, but as fre-
quency increases, small imbalances in the MAX4528’s
internal capacitance and resistance gradually impair
performance. Similarly, imbalances in external circuit
capacitance and resistance to GND reduce overall car-
rier suppression.
The carrier is applied as a logic-level square wave to
IN. (Note that this voltage can go as negative as V-.)
For best carrier suppression, the power-supply volt-
ages should be equal, the square wave should have a
precise 50% duty cycle, and both the input and output
signals should be symmetrical around ground. Bypass
V+ and V- to GND with 0.1F ceramic capacitors, as
close to the IC pins as possible. In critical applications,
carrier suppression can be optimized by trimming duty
cycle, DC bias around GND, or external source and
load capacitance.
In signal lines, balancing both capacitance and resis-
tance to GND produces the best carrier suppression.
Transformer coupling of input and output signals
provides the best isolation and carrier suppression.
Transformers can also provide signal filtering, imped-
ance matching, or low-noise voltage gain. Use a
center-tapped transformer or high-resistance voltage
divider to provide a DC path to GND on either the input
or output signal. This ensures a DC path to GND and
symmetrical operation of the internal switches.
Y
IN
LOGIC LOW
GND
X
B
A
MAX4528
TRUTH TABLE
IN
O
1
A
Y
X
B
X
Y
V-
INPUTS
V+
V-
OUTPUTS
Y
IN
LOGIC HIGH
X
B
A
GND
V-
INPUTS
V+
OUTPUTS
Figure 1. Typical Application Circuits
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4528CPA+ | 功能描述:模拟开关 IC Phase-Reversal Analog Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4528CSA | 功能描述:模拟开关 IC RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4528CSA+ | 功能描述:模拟开关 IC Phase-Reversal Analog Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4528CSA+T | 功能描述:模拟开关 IC Phase-Reversal Analog Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4528CSA-T | 功能描述:模拟开关 IC RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
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