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參數(shù)資料
| 型號(hào)： | TLC876I |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 10-BIT 20 MSPS PARALLEL OUTPUT CMOS ANALOG-TO-DIGITAL CONVERTERS |
| 中文描述： | 10位20 MSPS的并行輸出CMOS模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 15/23頁 |
| 文件大小： | 314K |
| 代理商： | TLC876I |
TLC876M TLC876I, TLC876C
10-BIT 20 MSPS PARALLEL OUTPUT CMOS
ANALOG-TO-DIGITAL CONVERTERS
SLAS140D – JULY 1997 – REVISED MAY 2000
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
driving the analog input (continued)
1
7
NC
5
6
4
2
3
0.1
μ
F
NC
VCC
RL = 4.99 k
AIN
TLC876
14.7 k
3 k
RIN = 4.99 k
2V(PP)
REFBF
0 V dc
–
+
A
Amplifier A can be an AD817 or AD818 with terminal numbers as shown. The AD817 and AD818
are wide bandwidth single supply op-amps.
Figure 16. Bipolar Level Shift
driving the reference terminals
dc considerations
The TLC876 requires an external reference on terminals REFTF and REFBF and a resistor array, nominally
500
, is connected between terminals REFTF and REFBF. A Kelvin connection, using the TLC876 reference
sense terminals REFTS and REFBS, minimizes voltage drops caused by external and internal wiring
resistance.
Figure 17 shows the equivalent input structure for the reference terminals. There is approximately 5
of
resistance between both REFTF and REFBF terminals and the reference ladder. If the force-sense connections
are not used, the voltage drop across the 5-
resistors results in a reduced voltage appearing across the ladder
resistance. This reduces the input span of the converter. Applying a slightly larger span between the REFTF
and REFBF terminals compensates for this error. Note that the temperature coefficients of the 5-
resistors are
1350 ppm. The effects of temperature should be considered when a force-sense reference configuration is not
used.
相關(guān)PDF資料 |
PDF描述 |
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| TLC876MDW | 10-BIT 20 MSPS PARALLEL OUTPUT CMOS ANALOG-TO-DIGITAL CONVERTERS |
| TLE2021(中文) | Precision, High-Speed, Low-Power Operational Amplifiers(單路，高速，精密型，低功耗，單電源運(yùn)放) |
| TLE2022(中文) | Dual,Precision, High-Speed, Low-Power Operational Amplifiers(雙路精密型，低功耗，單電源運(yùn)放) |
| TLE2024(中文) | Quad,Precision, High-Speed, Low-Power Operational Amplifiers(四路精密型，低功耗，單電源運(yùn)放) |
| TLE2027(中文) | Low-Noise High-Speed Precision Operational Amplifiers(增強(qiáng)型低噪聲高速精密運(yùn)放) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLC876IDB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT 20 MSPS PARALLEL OUTPUT CMOS ANALOG-TO-DIGITAL CONVERTERS |
| TLC876IDBLE | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT 20 MSPS PARALLEL OUTPUT CMOS ANALOG-TO-DIGITAL CONVERTERS |
| TLC876IDBR | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT 20 MSPS PARALLEL OUTPUT CMOS ANALOG-TO-DIGITAL CONVERTERS |
| TLC876IDW | 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 10bit 20Msps A/D RoHS:否 制造商:Texas Instruments 輸入信號(hào)類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel |
| TLC876IDWR | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT 20 MSPS PARALLEL OUTPUT CMOS ANALOG-TO-DIGITAL CONVERTERS |
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