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參數(shù)資料
| 型號(hào)： | TLC2654AM8D |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Advanced LinCMOSE LOW-NOISE CHOPPER-STABILIZED OPERATIONAL AMPLIFIERS |
| 中文描述： | 高級(jí)LinCMOSE低噪聲斬波穩(wěn)定運(yùn)算放大器 |
| 文件頁數(shù)： | 23/30頁 |
| 文件大?。?/td> | 443K |
| 代理商： | TLC2654AM8D |
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TLC2654, TLC2654A
Advanced LinCMOS
LOW-NOISE CHOPPER-STABILIZED
OPERATIONAL AMPLIFIERS
SLOS020F – NOVEMBER 1988 – REVISED JULY 1999
23
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
theory of operation (continued)
The TLC2654 removes this restriction on ac performance by using a 10-kHz internal clock frequency. This high
chopping frequency allows amplification of input signals up to 5 kHz without errors due to intermodulation and
greatly reduces low-frequency noise.
THERMAL INFORMATION
temperature coefficient of input offset voltage
Figure 36 shows the effects of package-included thermal EMF. The TLC2654 can null only the offset voltage
within its nulling loop. There are metal-to-metal junctions outside the nulling loop (bonding wires, solder joints,
etc.) that produce EMF. In Figure 36, a TLC2654 packaged in a 14-pin plastic package (N package) was placed
in an oven at 25
°
C at t = 0, biased up, and allowed to stabilize. At t = 3 min, the oven was turned on and allowed
to rise in temperature to 125
°
C. As evidenced by the curve, the overall change in input offset voltage with
temperature is less than the specified maximum limit of 0.05
μ
V/
°
C.
–
VI
– 12
– 15
4
– 18
0
3
6
9
12
t – Time – min
15
18
– 4
– 8
0
8
21
24
27
30
0.1
μ
F
0.1
μ
F
50 k
5 V
–5 V
50 k
100
5
VO
VIO = VO/1000
10
0
– 0.04
0.04
+
–
V
μ
I
α
V
V
μ
C
°
IN–
IN+
4
OUT
– 0.08
– 0.12
– 0.16
– 0.2
0.08
Pin numbers shown are for the D (14-pin), J, and N
packages.
Figure 36. Effects of Package-Induced Thermal EMF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLC2654AQ-8D | 功能描述:運(yùn)算放大器 - 運(yùn)放 Adv Ln Chopper RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| TLC2654AQ-8DG4 | 功能描述:運(yùn)算放大器 - 運(yùn)放 LinCMOS LoNose Chopr Stabilized OP AMP RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| TLC2654C14DR | 制造商:Texas Instruments 功能描述: |
| TLC2654C-14DR | 功能描述:運(yùn)算放大器 - 運(yùn)放 Low-Noise Chopper-Stabilized RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| TLC2654C-14DRG4 | 功能描述:運(yùn)算放大器 - 運(yùn)放 Low-Noise Chopper-Stabilized RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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