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參數(shù)資料
| 型號： | TC3400 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | CONNECTOR ACCESSORY |
| 中文描述： | 連接器附件 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大小： | 437K |
| 代理商： | TC3400 |
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-.
V
IN1
= (IN+ – IN-). See Section 1.0 Electrical Characteristics
.
Analog Input. This is the negative terminal of a true differential input consisting of IN+ and IN-.
V
IN
= (IN+ – IN-) IN- can swing to, but not below, ground.
Analog Input. The converter’s reference voltage is the differential between this pin and ground times
two. It may be tied directly to REF
OUT
or scaled using a resistor divider. Any user supplied reference
voltage less than 1.25V may be used in place of REF
OUT
.
Ground Terminal.
Analog Output. The internal reference connects to this pin. It may be scaled externally, if desired, and
tied to the REF
IN
input to provide the converter’s reference voltage. Care must be taken in connecting
external circuitry to this pin.
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).
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 (up to six) detected on SCLK for t
4
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.
Power Supply Input.
2
IN-
3
REF
IN
4
5
GND
REF
OUT
6
SDAT
7
SCLK
8
V
DD
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相關(guān)代理商/技術(shù)參數(shù) |
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| TC3400DEMO | 制造商:Microchip Technology 功能描述:Development Tools, Demo Board For Tc340X Sigma-Delta Adcs |
| TC3400EV | 制造商:Microchip Technology 功能描述:Development Tools Sigma-Delta A/D Family Evaluation Kit |
| TC3400VOA | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit Sigma-Delta RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TC3400VOATR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit Sigma-Delta RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TC3400VPA | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit Sigma-Delta RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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