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参数资料
| 型号： | MAX14979EETX+GH7 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/10页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH LVDS HIGH BW 36TQFN |
| 标准包装： | 50 |
| 功能： | 开关 |
| 电路： | 4 x DPDT |
| 导通状态电阻： | 5.5 欧姆 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-WFQFN 裸露焊盘 |
| 供应商设备封装： | 36-TQFN 裸露焊盘（6x6） |
| 包装： | 托盘 |
MAX14979E
High-Bandwidth, ±15kV ESD Protection
LVDS Switch
7
Detailed Description
The MAX14979E is a high-speed analog switch targeted
at LVDS and other low-voltage switching up to 600MHz.
In a typical application, the MAX14979E switches two
sets of LVDS sources to a laptop LVDS panel. For extra
security, the MAX14979E is protected against Q15kV
ESD shocks. See the Functional Diagram.
With its low resistance and capacitance, as well as high-
ESD protection, the MAX14979E can be used to switch
most low-voltage differential signals, such as LVDS and
LVPECL, as long as the signals do not exceed the maxi-
mum ratings of the device.
The MAX14979E switches provide low capacitance and
on-resistance to meet low insertion loss and return-loss
specifications. The MAX14979E has three additional
AUX switches.
Digital Control Inputs
The MAX14979E provides a single digital control SEL.
SEL controls the switches as well as the AUX switches,
as shown in Table 1.
Analog-Signal Levels
The on-resistance of the MAX14979E is very low and
stable as the analog input signals are swept from ground
to V+ (see the Typical Operating Characteristics). The
switches are bidirectional, allowing COM_ _ and NC_ _/
NO_ _ to be configured as either inputs or outputs.
ESD Protection
The MAX14979E is characterized using the HBM for
Q
15kV of ESD protection. Figure 5 shows the HBM. This
model consists of a 100pF capacitor charged to the ESD
voltage of interest, which is then discharged into the test
device through a 1.5kI resistor. All signal and control
pins are ESD protected to Q15kV HBM.
Pin Description (continued)
Figure 5. Human Body ESD Test Model (MIL-STD-883, Method
3015)
CHARGE-CURRENT
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
100pF
RC
1M
RD
1500
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
PIN
NAME
FUNCTION
22
NC2+
Normally Closed LVDS Differential Terminal for Switch 2
23
NO1-
Normally Open LVDS Differential Terminal for Switch 1
24
NO1+
Normally Open LVDS Differential Terminal for Switch 1
25
NC1-
Normally Closed LVDS Differential Terminal for Switch 1
26
NC1+
Normally Closed LVDS Differential Terminal for Switch 1
27
SEL
Select Input. SEL selects switch connection. See Table1.
28
NO0-
Normally Open LVDS Differential Terminal for Switch 0
29
NO0+
Normally Open LVDS Differential Terminal for Switch 0
30
NC0-
Normally Closed LVDS Differential Terminal for Switch 0
31
NC0+
Normally Closed LVDS Differential Terminal for Switch 0
32
AUX2
AUX2 Output. Drive SEL high (SEL = 1) to connect AUX0 to AUX2.
33
AUX1
AUX1 Output. Drive SEL low (SEL = 0) to connect AUX0 to AUX1.
34
AUX0
AUX0 Input
35
V+
Positive-Supply Voltage Input. Bypass V+ to GND with a 0.1FF ceramic capacitor.
36
COM0+
Common LVDS Differential Terminal for Switch 0
—
EP
Exposed Pad. Connect exposed pad to GND or leave it unconnected.
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相关代理商/技术参数 |
参数描述 |
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| MAX1497EAI | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1497EAI+ | 功能描述:模数转换器 - ADC 3.5 Digit ADC w/LED Drivers RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1497EAI+T | 功能描述:模数转换器 - ADC 3.5 Digit ADC w/LED Drivers RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1497EAI-T | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1497EPI | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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