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Automatic RF MESFET Amplifier
Drain-Current Controllers
I 2 C Compatibility (SPI/ I2C = DGND)
The MAX11014/MAX11015 communicate through an
I 2 C-compatible 2-wire serial interface consisting of a
serial data line (SDA) and a serial clock line (SCL). SDA
and SCL facilitate bidirectional communication between
the MAX11014/MAX11015 and the master at data rates
up to 3.4MHz. The master (typically a μC) initiates data
transfer on the bus and generates the SCL signal to per-
mit data transfer. The MAX11014/MAX11015 behave as
I 2 C slave devices that transfer and receive data.
SCL and SDA must be pulled high for proper I 2 C oper-
ation. This is typically done with pullup resistors (1k Ω or
greater). Series resistors are optional. The series resis-
tors protect the input architecture from high-voltage
spikes on the bus lines and minimize crosstalk and
undershoot of the bus signals.
One data bit transfers during each SCL clock cycle. A
minimum of 9 bytes is required to transfer a byte in or
out of the MAX11014/MAX11015 (8 bits and an
acknowledge (ACK)/not-acknowledge (NACK) bit).
Data is latched in on SCL’s rising edge and read out on
SCL’s falling edge. The data on SDA must remain sta-
ble during the high period of the SCL clock pulse.
Changes in SDA while SCL is stable and high are con-
sidered control signals (see the START and STOP
Conditions section). Both SDA and SCL remain high
when the bus is not busy.
START and STOP Conditions
The master initiates a transmission with a START condi-
tion (S), a high-to-low transition on SDA while SCL is
high. The master terminates a transmission with a STOP
condition (P), a low-to-high transition on SDA while SCL
is high (Figure 11). A repeated START condition (Sr)
can be used in place of a STOP condition to leave the
bus active and the interface mode unchanged (see the
High-Speed Mode section).
The address byte, command byte, and data bytes are
transmitted between the START and STOP conditions.
Nine clock cycles are required to transfer the data in or
out of the MAX11014/MAX11015. See Figures 15 and
16. If the receiver returns a not-acknowledge bit, the
MAX11014/MAX11015 releases the bus. If the not
acknowledge occurs in the middle of a 16-bit word, the
remaining bits are lost.
S
SDA
SCL
S = START.
Sr = REPEATED START.
P = STOP.
Figure 11. START and STOP Conditions
Sr
P
26
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相关代理商/技术参数
MAX11014EVKIT+ 制造商:Maxim Integrated Products 功能描述:EVALUATION KIT FOR THE MAX11014 - Bulk
MAX11015 功能描述:射频放大器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:Low Noise Amplifier 工作频率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 输出截获点:37.5 dBm 功率增益类型:32 dB 噪声系数:0.85 dB 工作电源电压:5 V 电源电流:125 mA 测试频率:2.6 GHz 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-16 封装:Reel
MAX11015BGTM 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Automatic RF MESFET Amplifier Drain-Current Controllers
MAX11015BGTM+ 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Automatic RF MESFET Amplifier Drain-Current Controllers
MAX11017 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
MAX11017ATL+ 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
MAX11017ETL+ 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
MAX11019 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