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參數資料
| 型號： | TLC2578IDWRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 |
| 封裝： | GREEN, PLASTIC, SOP-24 |
| 文件頁數： | 44/47頁 |
| 文件大小： | 1129K |
| 代理商： | TLC2578IDWRG4 |
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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
6
WWW.TI.COM
general electrical characteristics over recommended operating free-air temperature range, single-
ended input, normal long sampling, 200 KSPS, AVDD = 5 V, VREFP = 4 V, VREFM = 0 V,
SCLK frequency = 25 MHz, fixed channel at CONV mode 00, analog input signal source
resistance = 25
(unless otherwise noted)
TLC3574/78 and TLC2574/78
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Resolution
14
bits
Analog Input
Voltage range
10
V
Selected analog input channel bias current
Selected channel at 10 V
0.8
1.6
mA
Selected analog input channel bias current
Selected channel at –10 V
1.6
1.2
mA
Impedance
10
k
Capacitance
30
pF
Reference
VREFP
Positive reference voltage
3.96
4
4.04
V
VREFM
Negative reference voltage
0
AGND
V
Input impedance
No conversion (AVDD = 5V, CS= DVDD,
SCLK=DGND)
100
M
Input impedance
Normal long sampling (AVDD = 5V, CS=DGND,
SCLK = 25 MHz, External conversion clock)
8.3
12.5
k
No conversion (AVDD = 5 V,
SCLK = DGND, CS = DVDD)
1.5
A
Reference current
Normal long sampling (AVDD = 5 V, CS = DGND,
External conversion clock, SCLK = 25 MHz,
VREF = 5 V)
0.4
0.6
mA
Internal oscillation frequency
DVDD = 2.7 V – 5.5 V
6.5
MHz
Internal OSC, 6.5 MHz minimum
TLC3574/78
2.785
t(conv)
Conversion time
Internal OSC, 6.5 MHz minimum
TLC2574/78
2.015
S
t(conv)
Conversion time
Conversion clock is external source,
TLC3574/78
2.895
S
Conversion clock is external source,
SCLK = 25 MHz (see Note 1)
TLC2574/78
2.095
Acquisition time
Normal short sampling
1.2
S
Throughput rate (see Note 2)
Normal long sampling, fixed channel
in mode 00 or 01
200
KSPS
All typical values are at TA = 25°C.
NOTES:
1. Conversion time t(conv) is (18 × 4 × SCLK) + 15 ns for TLC3574/78. Conversion time is (13 × 4 × SCLK) + 15 ns for TLC2574/78.
2. This is for a fixed channel in conversion mode 00 or 01. When switching the channels, additional multiplexer setting time is required
to overcome the memory effect of the charge redistribution DAC.
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| TLC2578IPW | 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 |
| TLC2578IPWG4 | 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 |
| TLC2578IPWR | 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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| TLC25L2ACD | 功能描述:運算放大器 - 運放 LiNCMOS Lw Bias RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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