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参数资料
| 型号： | MAX4800ACQI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/15页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH OCTAL SPST 28PLCC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 39 |
| 功能： | 开关 |
| 电路： | 8 x SPST - NO |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 6 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-LCC（J 形引线） |
| 供应商设备封装： | 28-PLCC（11.51x11.51） |
| 包装： | 管件 |
MAX4800A/MAX4802A
Low-Charge-Injection, 8-Channel, High-Voltage
Analog Switches with 20MHz Serial Interface
10
______________________________________________________________________________________
The VPP and VNN high-voltage supplies are not
required to be symmetrical, but the voltage difference
VPP - VNN must not exceed 200V.
Bleed Resistors (MAX4802A)
The MAX4802A features integrated 35k
Ω bleed resis-
tors to discharge capacitive loads such as piezoelec-
tric transducers. Each analog-switch terminal is
connected to RGND with a bleed resistor.
Serial Interface
The devices are controlled by a serial interface with an
8-bit serial shift register and transparent latch. Each of
the eight data bits controls a single analog switch (see
Table 1). Data on DIN is clocked with the most signifi-
cant bit (MSB) first into the shift register on the rising
edge of CLK. Data is clocked out of the shift register
onto DOUT on the rising edge of CLK. DOUT reflects
the status of DIN, delayed by eight clock cycles (see
Figures 1 and 2).
Latch Enable (
LE)
Drive LE logic-low to change the contents of the latch
and update the state of the high-voltage switches
(Figure 2). Drive LE logic-high to freeze the contents of
the latch and prevent changes to the switch states. To
reduce noise due to clock feedthrough, drive LE logic-
high while data is clocked into the shift register. After
the data shift register is loaded with valid data, pulse
LE logic-low to load the contents of the shift register
into the latch.
Latch Clear (CLR)
The devices feature a latch clear input. Drive CLR
logic-high to reset the contents of the latch to zero and
open all switches. CLR does not affect the contents of
the data shift register. Pulse LE logic-low to reload the
contents of the shift register into the latch.
Power-On Reset
The devices feature a power-on reset circuit to ensure
all switches are open at power-on. The internal 8-bit ser-
ial shift register and latch are set to zero on power-up.
LE
CLK
DOUT
DATA FROM PREVIOUS DATA BYTE POWER-UP DEFAULT: D7–D0 = 0
D7
D6
D5
D4
D3
D2
D1
D0
D7
DIN
D7
D6
D5
D4
D3
D2
D1
D0
MSB
LSB
Figure 2. Latch-Enable Interface Timing
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4800ACQI+ | 功能描述:模拟开关 IC 8Ch SPST 20MHz SPI 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 |
| MAX4800ACQI+T | 功能描述:模拟开关 IC 8Ch SPST 20MHz SPI 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 |
| MAX4800ACXZ+ | 功能描述:模拟开关 IC 8Ch SPST 20MHz SPI 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 |
| MAX4800ACXZ+T | 功能描述:模拟开关 IC 8Ch SPST 20MHz SPI 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 |
| MAX4800CCM | 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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