参数资料
型号: TLC4545IDGK
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
封装: GREEN, PLASTIC, MSOP-8
文件页数: 9/26页
文件大小: 652K
代理商: TLC4545IDGK
TLC4541, TLC4545
SLAS293 DECEMBER 2001
17
www.ti.com
PRINCIPLES OF OPERATION
pseudo-differential inputs
The TLC4545 operate in pseudo-differential mode. The inverted input is available on pin 5. The inverted input
can tolerate a maximum input ripple of
±0.2 V. It is normally used for zero-scale offset cancellation or ground
noise rejection.
serial interface
Output data format is binary (unipolar straight binary).
binary
D Zero Scale Code = 0000h, VAIN = GND
D Full Scale Code = FFFFh, VAIN = VREF – 1LSB
reference voltage
An external reference must be applied via pin 2, VREF. The voltage level applied to this pin establishes the upper
limit of the analog inputs to produce a full-scale reading. The value of VREF, and the analog input should not
exceed the positive supply or be less than GND, consistent with the specified absolute maximum ratings. The
digital output is at full scale when the input signal is equal to or higher than VREF and at zero when the input
signal is equal to or less than GND.
auto-power down and power up
Auto-power down is built into the devices in order to reduce power consumption. The wake-up time is fast
enough to provide power down between each conversion cycle. The power down state is initiated at the end
of conversion and wakes up on a falling CS edge (or rising FS edge, whichever occurs first, for TLC4541 only).
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TLC4545IDGKG4 功能描述:模数转换器 - ADC 16-Bit 200KSPS Serial Out 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
TLC4545IDGKR 功能描述:模数转换器 - ADC 16-Bit 200KSPS Serial Out 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
TLC4545IDGKRG4 功能描述:模数转换器 - ADC 16-Bit 200KSPS Serial Out 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
TLC4545IDR 功能描述:模数转换器 - ADC 16-Bit 200KSPS Serial Out 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
TLC4545IDRG4 功能描述:模数转换器 - ADC 16-Bit 200KSPS Serial Out 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