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參數資料
| 型號： | TC3405VPE |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 16-Bit, Low Cost, Low Power Sigma-Delta A/D Converter |
| 中文描述： | 16位，低成本，低功耗Σ-ΔA / D轉換 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 453K |
| 代理商： | TC3405VPE |
2002 Microchip Technology Inc.
DS21414B-page 1
TC3405
Features
16-bit Resolution at Eight Conversions Per
Second, Adjustable Down to 10-bit Resolution at
512 Conversions Per Second
1.8V – 5.5V Operation, Low Power Operating
250
μ
A; Sleep: 35
μ
A
microPort Serial Bus Requires only two
Interface Lines
Uses Internal or External Reference
Automatically Enters Sleep Mode when not in use
One Differential and Three Single-ended Inputs
with Built-In Multiplexer
V
DD
Monitor and Reset Generator Operational in
Shutdown Mode
Applications
Consumer Electronics, Thermostats, CO
Monitors, Humidity Meters, Security Sensors
Embedded Systems, Data Loggers,
Portable Equipment
Medical Instruments
Device Selection Table
Package Type
General Description
The TC3405 is a low cost, low power analog-to-digital
converter based on Microchip’s Sigma-Delta technol-
ogy. It will perform 16-bit conversions (15-bit plus sign)
at up to eight per second. The TC3405 is optimized for
use as a microcontroller peripheral in low cost, battery
operated systems. A voltage reference is included, or
an external reference can be used. A V
DD
monitor with
a reset generator provides Power-on Reset and Brown-
out protection while an extra threshold detector is suit-
able for use as an early warning power fail detector, or
as a Wake-up Timer.
The TC3405’s 2-wire microPort digital interface is
used for starting conversions and for reading out the
data. Driving the SCLK line low starts a conversion.
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 and cuts conversion time
in half. After a conversion is completed, clocking the
SCLK line puts the MSB through LSB of the resulting
data word onto the SDAT line, much like a shift register.
The part automatically sleeps when not performing a
data conversion.
The TC3405 is available in a 16-Pin PDIP and a 16-Pin
QSOP package.
Part
Number
Package
Temperature
Range
TC3405VPE
TC3405VQR
16-Pin PDIP (Narrow)
16-PinQSOPNarrow)
0
°
C to +85
°
C
0
°
C to +85
°
C
16-Pin PDIP
16-Pin QSOP
1
16
2
15
3
14
4
13
5
12
6
11
7
10
IN4
8
9
IN1-
IN2
REFIN
GND
A0
VDD
SDAT
REFOUT
TC3405
SCLK
A1
RESET
VTH
IN3
ENABLE
IN1+
16-Bit, Low Cost, Low Power Sigma-Delta A/D Converter
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TC3405VQR | 功能描述:模數轉換器 - ADC 16-Bit Sigma-Delta RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 |
| TC3405VQRTR | 功能描述:模數轉換器 - ADC 16-Bit Sigma-Delta RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 |
| TC341 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:780X488 PIXEL CCD IMAGE SENSOR |
| TC341-20 | 功能描述:視頻 IC 780 X 488-Pixel CCD Image Sensor RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TC341-30 | 功能描述:視頻 IC 780 X 488-Pixel CCD Image Sensor RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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