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參數資料
| 型號： | TC3403 |
| 廠商： | Microchip Technology Inc. |
| 元件分類： | 復位半導體 |
| 英文描述： | +1.8V Low Power, Quad Input, 16-Bit Sigma-Delta A/D Converter with a Power Fault Monitor and Microprocessor Reset Circuit |
| 中文描述： | 1.8V的低功耗，四路輸入，16位Σ-ΔA / D轉換的電源故障監測和微處理器復位電路轉換器 |
| 文件頁數： | 1/17頁 |
| 文件大小： | 461K |
| 代理商： | TC3403 |
2002 Microchip Technology Inc.
DS21412B-page 1
TC3403
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
280
μ
A; Sleep: 93
μ
A
Four Single-ended Inputs with Built-in Multiplexer
microPort Serial Bus Requires only two
Interface Lines
Uses Internal or External Reference
Automatically Enters Sleep Mode when not in use
V
DD
Monitor and Reset Generator Operational in
Shutdown Mode
Early Warning Power Fail Detector, also suitable as
Wake-Up Timer 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 TC3403 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 TC3403 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
suitable for use as an early warning Power Fail
detector, or as a Wake-up Timer.
The TC3403’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 TC3403 is available in a 16-Pin PDIP and a 16-Pin
QSOP package.
Part
Number
Package
Temperature
Range
TC3403VPE
TC3403VQR
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+
V
TH
REF
IN
GND
A0
V
DD
PFO
SDAT
REF
OUT
IN3+
TC3403
SCLK
PFI
RESET
A1
+1.8V Low Power, Quad Input, 16-Bit Sigma-Delta A/D Converter
with a Power Fault Monitor and Microprocessor Reset Circuit
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| TC3404VQR | +1.8V Low Power, Quad Input, 16-Bit Sigma-Delta A/D Converter with a Power Fault Monitor |
| TC3404VPE | +1.8V Low Power, Quad Input, 16-Bit Sigma-Delta A/D Converter with a Power Fault Monitor |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TC3403_05 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:+1.8V Low Power, Quad Input, 16-Bit Sigma-Delta A/D Converter with a Power Fault Monitor and Microprocessor Reset Circuit |
| TC3403VPE | 功能描述:模數轉換器 - ADC 1.8V Lw Pwr Quad 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 |
| TC3403VQR | 功能描述:模數轉換器 - ADC 1.8V Lw Pwr Quad 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 |
| TC3403VQRTR | 功能描述:模數轉換器 - ADC 1.8V Lw Pwr Quad 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 |
| TC3404 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:+1.8V Low Power, Quad Input, 16-Bit Sigma-Delta A/D Converter with a Power Fault Monitor |
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