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| 型号： | TC3400VOATR |
| 元件分类： | ADC |
| 英文描述： | 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO8 |
| 封装： | SOIC-8 |
| 文件页数： | 12/16页 |
| 文件大小： | 437K |
| 代理商： | TC3400VOATR |
2002 Microchip Technology Inc.
DS21409B-page 5
TC3400
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
Pin No.
(8-Pin SOIC)
(8-Pin PDIP)
Symbol
Description
1
IN+
Analog Input. This is the positive terminal of a true differential input consisting of IN+ and IN-.
VIN1 = (IN+ – IN-). See Section 1.0 Electrical Characteristics.
2
IN-
Analog Input. This is the negative terminal of a true differential input consisting of IN+ and IN-.
VIN = (IN+ – IN-) IN- can swing to, but not below, ground.
3REFIN
Analog Input. The converter’s reference voltage is the differential between this pin and ground times
two. It maybetieddirectlytoREFOUT or scaled using a resistor divider. Any user supplied reference
voltagelessthan1.25V maybeusedinplace of REFOUT.
4
GND
Ground Terminal.
5REFOUT
Analog Output. The internal reference connects to this pin. It may be scaled externally, if desired, and
tied to the REFIN input to provide the converter’s reference voltage. Care must be taken in connecting
external circuitry to this pin.
6
SDAT
Digital Output (push-pull). This is the microPort serial data output. SDAT is driven low while the
TC3400 is converting data, effectively providing a “busy” signal. After the conversion is complete,
every high to low transition on the SCLK pin puts a bit from the resulting data word on the SDAT pin
(from MSB to LSB).
7
SCLK
Digital Input. This is the microPort serial clock input. The TC3400 comes out of sleep mode and a
conversion cycle begins when this pin is driven low. After the conversion starts, each additional falling
edge (uptosix) detected onSCLK for t4 seconds reduces the A/D resolution by one bit. When the
conversion is complete, the data word can be shifted out on the SDAT pin by clocking the SCLK pin.
8VDD
Power Supply Input.
相关PDF资料 |
PDF描述 |
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| TC3400VOA | 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO8 |
| TC3400VPA | 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDIP8 |
| TC3401EQR | 2-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16 |
| TC3401EPE | 2-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDIP16 |
| TC3401EPE | 2-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDIP16 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TC3400VPA | 功能描述:模数转换器 - ADC 16-Bit Sigma-Delta 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 |
| TC3401 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:16-Bit Low Cost, Low Power Sigma-Delta A/D Converter |
| TC3401VPE | 功能描述:模数转换器 - ADC 16-Bit Sigma-Delta 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 |
| TC3401VQR | 功能描述:模数转换器 - ADC 16-Bit Sigma-Delta 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 |
| TC3401VQRTR | 功能描述:模数转换器 - ADC 16-Bit Sigma-Delta 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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