參數(shù)資料
型號(hào): LOG114AIRGVR
元件分類: 對(duì)數(shù)放大器
英文描述: Single-Supply, High-Speed, Precision LOGARITHMIC AMPLIFIER
中文描述: 單電源,高速,精密對(duì)數(shù)放大器
文件頁數(shù): 17/30頁
文件大小: 616K
代理商: LOG114AIRGVR
"#$$%
SBOS301A MAY 2004 REVISED MARCH 2007
www.ti.com
17
NEGATIVE INPUT CURRENTS
The LOG114 functions only with positive input currents
(conventional current flows into input current pins). In
situations where negative input currents are needed,
the example circuits in Figure 7, Figure 8, and Figure 9
may be used.
Q
B
National
LM394
I
IN
I
OUT
D
1
OPA703
D
2
Q
A
Figure 7. Current Inverter/Current Source.
1.5k
Photodiode
10nAto 1mA
Pin 3 or Pin 4
10nA to 1mA
+5V
+5V
1k
+3.3V
1/2
OPA2335
1/2
OPA2335
BSH203
(+3.3V
Back Bias)
LOG114
Figure 8. Precision Current Inverter/Current Source.
1k
+5V
+5V
1.5k
1.5k
100k
10nA to 1mA
+3.3V
Back Bias
LOG114
10nA to 1mA
Pin 3 or Pin 4
100k
100k
+3.3V
1/2
OPA2335
1/2
OPA2335
Photodiode
100k
Figure 9. Precision Current Inverter/Current Source.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LOG114AIRGVRG4 功能描述:對(duì)數(shù)放大器 Prec High-Speed Logarithmic Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量:3 帶寬:3 dB 共模抑制比(最小值): 輸入補(bǔ)償電壓:+/- 7 mV 輸入電壓范圍(最大值):5.5 V 工作電源電壓:4.5 V to 5.5 V 電源電流:+/- 15 mA 工作溫度范圍:- 40 C to +85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel
LOG114AIRGVT 功能描述:對(duì)數(shù)放大器 Precision High-Speed RoHS:否 制造商:Texas Instruments 通道數(shù)量:3 帶寬:3 dB 共模抑制比(最小值): 輸入補(bǔ)償電壓:+/- 7 mV 輸入電壓范圍(最大值):5.5 V 工作電源電壓:4.5 V to 5.5 V 電源電流:+/- 15 mA 工作溫度范圍:- 40 C to +85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel
LOG114AIRGVTG4 功能描述:對(duì)數(shù)放大器 Prec High-Speed Logarithmic Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量:3 帶寬:3 dB 共模抑制比(最小值): 輸入補(bǔ)償電壓:+/- 7 mV 輸入電壓范圍(最大值):5.5 V 工作電源電壓:4.5 V to 5.5 V 電源電流:+/- 15 mA 工作溫度范圍:- 40 C to +85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel
LOG114EVM 功能描述:放大器 IC 開發(fā)工具 LOG114 Eval Mod RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
LOG1527 制造商:未知廠家 制造商全稱:未知廠家 功能描述:由CMOS工藝設(shè)計(jì)制造的可內(nèi)燒的學(xué)習(xí)碼編碼IC.