參數(shù)資料
型號(hào): LOG114AIRGVRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 模擬運(yùn)算功能
英文描述: LOG OR ANTILOG AMPLIFIER, PQCC16
封裝: 4 X 4 MM, GREEN, PLASTIC, QFN-16
文件頁(yè)數(shù): 11/29頁(yè)
文件大?。?/td> 637K
代理商: LOG114AIRGVRG4
LOG114
SBOS301A MAY 2004 REVISED MARCH 2007
www.ti.com
19
DATA COMPRESSION
In many applications, the compressive effects of the
logarithmic transfer function are useful. For example, a
LOG114 preceding a 12-bit ADC can produce the
dynamic range equivalent to a 20-bit converter. (Sug-
gested products: ADS7818, ADS7834).
+3.3V OPERATION
For systems with only a +3.3V power supply, the
TPS60241 zero-ripple switched cap buck-boost 2.7V to
5.5V input to 5V output converter may be used to gener-
ate a +5V supply for the LOG114, as shown in
Figure 11.
Likewise, the TPS6040 negative charge pump may be
connected to the +5V output of the TPS60241 to gener-
ate a 5V supply to create a
±5V supply for the
LOG114, as Figure 12 illustrates.
+5V
LOG114
I1
I2
VLOGOUT
TPS60241
C2+
C2
C1+
VIN
C1
VOUT
EN
GND
+3.3V
C0
1
F
C2
1
F
C1
1
F
C1
1
F
V
V+
Figure 11. Creating a +5V Supply from a +3.3V Supply.
+5V
LOG114
I
1
I
2
C
FLY
1
F
C
O
1
F
C
I
1
F
C
O
1
F
C
2
1
F
V
IN
C
1+
C
1
V
OUT
C
2+
C
2
C
1
F
C
1
F
C
FLY
C
FLY+
5V
V
LOGOUT
TPS60241
EN
GND
+3.3V
V+
+5V
V
5V
TPS60400
IN
OUT
GND
Figure 12. Creating a
±5V Supply from a +3.3V Supply.
相關(guān)PDF資料
PDF描述
LOG114AIRGVT LOG OR ANTILOG AMPLIFIER, PQCC16
LOG2112AIDWE4 LOG OR ANTILOG AMPLIFIER, PDSO16
LOG2112AIDW LOG OR ANTILOG AMPLIFIER, 1.4 MHz BAND WIDTH, PDSO16
LOG2112AIDWRE4 LOG OR ANTILOG AMPLIFIER, PDSO16
LOG112AIDE4 LOG OR ANTILOG AMPLIFIER, PDSO14
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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(kāi)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.
LOG2112 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOGARITHMIC AND LOG RATIO AMPLIFIERS