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參數資料
| 型號： | TLC2574IDWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | GREEN, PLASTIC, SOP-20 |
| 文件頁數： | 12/48頁 |
| 文件大小： | 1092K |
| 代理商： | TLC2574IDWR |
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TLC3574, TLC3578, TLC2574, TLC2578
5V ANALOG, 3/5V DIGITAL, 14/12BIT, 200KSPS, 4/8CHANNEL
SERIAL ANALOGTODIGITAL CONVERTERS WITH ±10V INPUTS
SLAS262C OCTOBER 2000 REVISED MAY 2003
2
WWW.TI.COM
description (continued)
In addition to being a high-speed ADC with versatile control capability, these devices have an on-chip analog
multiplexer (MUX) that can select any analog input or one of three self-test voltages. The sample-and-hold
function is automatically started after the fourth SCLK (normal sampling) or can be controlled by a special pin,
CSTART, to extend the sampling period (extended sampling). The normal sampling period can also be
programmed as short sampling (12 SCLKs) or long sampling (44 SCLKs) to accommodate the faster SCLK
operation popular among high-performance signal processors. The TLC3574/78 and TLC2574/78 are
designed to operate with low-power consumption. The power saving feature is further enhanced with
autopower-down mode and programmable conversion speeds. The conversion clock (internal OSC) is built in.
The converter can also use an external SCLK as the conversion clock for maximum flexibility. The TLC3574/78
and TLC2574/78 are specified with bipolar input and a full scale range of
±10 V.
AVAILABLE OPTIONS
PACKAGED DEVICES
TA
20-TSSOP
(PW)
20-SOIC
(DW)
20-PDIP
(N)
24-SOIC
(DW)
24-TSSOP
(PW)
40
°C to 85°C
TLC2574IPW
TLC2574IDW
TLC2574IN
TLC2578IDW
TLC2578IPW
40
°C to 85°C
TLC3574IPW
TLC3574IDW
TLC3574IN
TLC3578IDW
TLC3578IPW
functional block diagram
Analog
MUX
Signal
Scaling
Command
Decode
CMR (4 MSBs)
SAR
ADC
OSC
Conversion
Clock
FIFO
X8
Control
Logic
4-Bit
Counter
SDO
EOC/INT
DVDD AVDD
DGND AGND
CSTART
FS
CS
SCLK
SDI
CFR
REFM
COMP
REFP
X8
A0
A1
A2
A3
A4
A5
A6
A7
X4
A0
A1
A2
A3
X
TLC3578, TLC2578
TLC3574, TLC2574
NOTE: 4-Bit counter counts the CLOCK, SCLK. The CLOCK is gated in by CS falling edge if CS initiates the conversion operation cycle, or gated
in by the rising edge of FS if FS initiates the operation cycle. SCLK is disabled for serial interface when CS is high.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TLC2574IDWRG4 | 功能描述:模數轉換器 - ADC Serial Out Low Power 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 |
| TLC2574IN | 功能描述:模數轉換器 - ADC Serial Out Low Power 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 |
| TLC2574INE4 | 功能描述:模數轉換器 - ADC Serial Out Low Power 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 |
| TLC2574IPW | 功能描述:模數轉換器 - ADC Serial Out Low Power 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 |
| TLC2574IPWG4 | 功能描述:模數轉換器 - ADC Serial Out Low Power 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 |
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