LTC1574_1中文资料
LTC4006资料

UNITS V mA % % % % % % % µA µA V V µA mA
–0.8 –1.0 –4 –5 –60 –35 –15 15 –10 4.2 1 4.7 1.6 – 10 2
VBAT < 6V, VCSP – VBAT Target = 10mV 6V ≤ VBAT ≤ VLOBAT, VCSP – VBAT Target = 10mV TTOL Shutdown Battery Leakage Current UVLO Undervoltage Lockout Threshold Shutdown Threshold at SHDN SHDN Pin Current Operating Current in Shutdown Current Sense Amplifier, CA1 Input Bias Current Into BAT Pin CMSL CMSH CA1/I1 Input Common Mode Low CA1/I1 Input Common Mode High
ELECTRICAL CHARACTERISTICS
SYMBOL IQ VTOL ITOL PARAMETER DCIN Operating Range Operating Current Charge Voltage Accuracy Charge Current Accuracy (Note 3)
CONDITIONS Sum of Current from CLP, CLN , DCIN Nominal Values: 12.3V, 12.6V, 16.4V, 16.8V (Note 2) q VCSP – VBAT Target = 100mV
q
MIN 6
TYP 3
TLC1549中文资料

TLC1549中文资料2009-08-14 21:52TLC1549C , TLC1549I , TLC1549M 10位模拟数字转换器(A/D)串行控制#10位分辨率A / D转换器#固有的采样保持#未经调整的总误差........± 1 LSB的最大值#片上系统时钟#终端兼容TLC549和TLV1549#CMOS工艺描述该TLC1549C , TLC1549I ,并TLC1549M 有10位,开关电容,successiveapproximation 模拟数字转换器。
这些器件有两个数字输入和一个3态输出[片选( CS )的,输入输出时钟( I / O时钟)和数据输出(数据) ]的提供三线接口,串口主机处理器。
该采样保持功能是自动的。
那个转换纳入这些设备的特点差分高阻抗基准投入便利比率转换,缩放,和隔离模拟电路的逻辑和供应噪音。
开关电容设计,让lowerror 转换的整个经营自由空气温度范围。
该TLC1549C运作的特点是从0 ° C至70 °角该TLC1549I的特点是操作从-40 ° C 至85 ° C该TLC1549M特点是操作,在整个军事温度范围 -55 ℃至125 ℃之间。
管脚说明:ANALOG IN (2):模拟信号输入。
驱动源阻抗应该是3月1日千瓦。
外部驱动源的模拟,应该有一个电流能力。
一十毫安。
CS (5):芯片选择。
高向低过渡的政务司司长重置内部计数器和控制,使数据和I / O时钟内最大的一个设置时间加上两个属于边缘内部系统时钟。
低到高过渡禁用I / O时钟设置时间内下降的边缘加两国的内部系统时钟。
DATA OUT (6):这3态串行输出的A / D转换结果是在高阻抗状态时,政务司司长高,积极当政务司司长低。
以有效的芯片选择,数据是从高阻抗状态,并驱车前往相应的逻辑电平的最高有效位价值先前的转换结果。
下一个下降沿的I / O 时钟驱动器DATAOUT的逻辑水平相应的下一个最重要的一点,其余位转移,以便与LSB的出现在第九届下降沿的I / O时钟。
LTC产品介绍

凌特是一个以提供高性能、高质量的模拟器件以及方案的提供商。
其公司产品共分为五大部分,分别为运算放大器、电源管理、数据转换器、接口类、以及RF/无线产品,其中每个大类中又根据产品的性能细分为各种产品。
运算放大器分类1、精密放大器,又分为零偏移和轨对轨两种细分,温漂小于0.1uV/℃,轨对轨产品的V os《1mV,这些技术参数相对于其他产品是其最大的优势所在,且输入电压的范围较宽,可用于精密仪器以及弱小信号的检测2、仪表放大器,有很高的增益精准度,开环增益可以做到很大,启动时间短,ns级别,温漂小,噪声小,用于机密仪器以及弱小信号的检测3、高速运算放大器,体现在其压摆很率SW很大,且增益带宽积也做到很大,可以保证信号的高速运算,而且信号噪声低,保证信号传输的稳定4、低功耗运算放大器。
功耗较低,正常工作时每个运放的工作电流只有几个mA甚至更小,噪声很低,用于便携设备5、差分运算放大器以及ADC驱动放大器。
可以不失真的传输高频信号,具有很高的压摆率,因此从功能上来说,与高速运算放大器也有一些共同点,可用于视频放大器以及AD转换器等产品6、从一些功能上划分还有低噪、低偏置电流,高温等各种用途的运算放大器,这些产品都是用在专业领域,也应该说凌特的产品都是用在比较专业的领域中,一些技术指标都是比较前沿的,不如TI,ADI等公司产品相对用途较为普遍。
)电源管理分类可分为LDO和DC-DC两大类,具有较高的基准电压(不知道你想表达什么意思)?,其中LDO产品输入电压范围大,噪声小,输出加很小的陶瓷电容就可以输出很稳定,压差可以做到很小,提高效率(去掉,LDO不是为了提高效率)。
DC-DC类产品又可分分为buck,boost,buck-boost类,电荷泵转换器、微型模块化电源芯片(可以并联使用,自动均衡,提高输出的功率,部分模块通过了EN55022 CLASS B的EMI测试报告,单位体积的功率密度做得比较大)等。
LTC1778-1资料

GN PART MARKING 17781
GN PACKAGE 16-LEAD PLASTIC SSOP TJMAX = 125°C, θJA = 130°C/ W
900 15 ITH = 1.2V (Note 3) VIN = 4V to 30V, ITH = 1.2V (Note 3) ITH = 0.5V to 1.9V (Note 3) VFB = 0.8V ITH = 1.2V (Note 3) VFCB = 0.8V ION = 30µA, VON = 0V (LTC1778-1) ION = 15µA, VON = 0V (LTC1778-1) ION = 180µA 198 396
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. VIN = 15V unless otherwise noted.
q q q q
2000 30 0.808 – 0.3 ± 50 2 0.84 –2 268 536 100
µA µA V %/V % nA mS V µA ns ns ns
1778fa
0.792
0.800 0.002 – 0.05 –5
1.4 0.76
1.7 0.8 –1 233 466 50
元器件交易网
TYPICAL APPLICATIO
RON 1.4MΩ CSS 0.1µF RUN/SS CC 500pF ITH RC 20k SGND LTC1778 INTVCC BG ION VIN TG SW BOOST
M1 Si4884 CB 0.22µF DB CMDSH-3 M2 Si4874 CVCC 4.7µF
《LTCC元器件基础》课件

它是一种高性能、高可靠性的电 子元器件,广泛应用于航空航天 、军事、通信、汽车电子等领域 。
LTCC特点
01
02
03
04
高频性能优异
LTCC材料具有较低的介电常 数和介质损耗,适用于高频电
路。
集成度高
可以实现多层电路集成,减小 了元器件体积,提高了电路密
度。
可靠性高
LTCC材料具有较高的热导率 和机械强度,能够承受恶劣环
振荡器
总结词
高频率稳定性、低相位噪声、小型化
详细描述
LTCC振荡器利用低温共烧陶瓷的优良电气性能和多层布线技术,具有高频率稳定性和低相位噪声。此 外,LTCC振荡器可以实现小型化,广泛应用于各种通信系统和频率计量等领域。
04
LTCC元器件应用案例
手机中的LTCC元器件应用
总结词:小型电常数、低损耗、高稳定性
详细描述
LTCC电容器利用低温共烧陶瓷的优良介电性能,具有高介电常数和低损耗的特点 。这使得LTCC电容器具有高稳定性,能够满足各种高频、高稳定性的应用需求。
滤波器
总结词
高频率选择性、低插入损耗、小型化
详细描述
LTCC滤波器采用多层布线技术和低温 共烧陶瓷的高Q值特性,具有高频率 选择性和低插入损耗。此外,LTCC滤 波器可以实现小型化,方便集成到无 线通信等系统中。
航天器中的LTCC元器件应用
总结词:高精度、高稳定性、轻量化
航天器中使用的LTCC元器件需要具备高精度和高稳定性的特性,以确保航天器的安全和可靠性。LTCC技术在航天器中应用广 泛,如微波组件、天线、滤波器等。
05
LTCC元器件发展趋势与挑战
LTCC元器件发展趋势
01
LTC4151-1中文资料

ADR0 4
ADIN 5
TOP VIEW
10 SENSE– 9 GND 8 SDAO 7 SDAI 6 SCL
MS PACKAGE 10-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 85°C/W
41511fa
2
元器件交易网
TOP VIEW
10 SENSE–
9 GND
11
8 SHDN
7 SDA
6 SCL
LTC4151-1
DD PACKAGE 10-LEAD (3mm s 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 45°C/W EXPOSED PAD (PIN 11) PCB GND CONNECTION OPTIONAL
0°C to 70°C
LTC4151IDD#PBF
LTC4151IDD#TRPBF
LCWZ
10-Lead (3mm x 3mm) Plastic DFN
–40°C to 85°C
LTC4151CDD-1#PBF
LTC4151CDD-1#TRPBF LCXC
10-Lead (3mm x 3mm) Plastic DFN
VIN = 48V, Normal Operation Mode VIN = 12V, Shutdown Mode VIN, SENSE+, SENSE– = 48V VIN, SENSE+, SENSE– = 48V
SHDN = 0V
l
7
80
V
l
1.2
1.7
mA
l
120
300
μA
LTC1484CN8资料

U APPLICATIO S
s Battery-Powered RS485/RS422 Applications s Low Power RS485/RS422 Transceiver s Level Translator
DESCRIPTIO
The LTC®1484 is a low power RS485 compatible transceiver. In receiver mode, it offers a fail-safe feature which guarantees a high receiver output state when the inputs are left open, shorted together or terminated with no signal present. No external components are required to ensure the high receiver output state.
s Guaranteed High Receiver Output State for Floating, Shorted or Terminated Inputs with No Signal Present
s Drives Low Cost Residential Telephone Wires s Low Power: ICC = 700µA Max with Driver Disabled s ICC = 900µA Max for Driver Enable with No Load s 20µA Max Quiescent Current in Shutdown Mode s Single 5V Supply s – 7V to 12mits ±7V
LTC1144资料

2
U
W
U
U
W W
W
元器件交易网
LTC1144 TYPICAL PERFORMANCE CHARACTERISTICS
Output Resistance vs Supply Voltage
元器件交易网
LTC1144 Switched-Capacitor Wide Input Range Voltage Converter with Shutdown
FEATURES
s s s s s s
DESCRIPTIO
s s
Wide Operating Supply Voltage Range: 2V to 18V Boost Pin (Pin 1) for Higher Switching Frequency Simple Conversion of 15V to –15V Supply Low Output Resistance: 120Ω Maximum Power Shutdown to 8µA with SHDN Pin Open Circuit Voltage Conversion Efficiency: 99.9% Typical Power Conversion Efficiency: 93% Typical Easy to Use
ORDER PART NUMBER LTC1144CN8 LTC1144IN8
N8 PACKAGE 8-LEAD PLASTIC DIP T JMAX = 110°C, θJA = 100°C/W
TOP VIEW BOOST 1 CAP+ 2 GND 3 CAP– 4 8 7 6 5 V+ OSC SHDN VOUT
LTC1144CS8 LTC1144IS8 S8 PART MARKING 1144 1144I
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4V < VIN < 16V, IPGM = 0V 4V < VIN < 16V SHDN = 0V, 4V < VIN < 16V
VLBTRIP ILBIN ILBOUT VHYST IPEAK RON tOFF VIH VIL
VLBOUT = 0.4V, VLBIN = 0V VLBOUT = 5V, VLBIN = 10V IPGM = VIN, VOUT = 0V IPGM = 0V, VOUT = 0V VOUT at Regulated Value Minimum Voltage at Pin 7 for Device to Be Active Maximum Voltage at Pin 7 for Device to Be in Shutdown
(Voltage Referred to GND Pin) Input Supply Voltage (Pin 5) ................. – 0.3V to 18.5V Switch Current (Pin 3, 14) ........................................ 1A Switch Voltage (Pin 3, 14) .......................... VIN – 18.5V Operating Temperature Range .................... 0°C to 70°C Junction Temperature (Note 2) ............................ 125°C Storage Temperature Range ................. – 65°C to 150°C Lead Temperature (Soldering, 10 sec).................. 300°C
SYMBOL PARAMETER IIH IIL VF IR SHDN Pin Input Current SHDN Pin Input Current Schottky Diode Forward Voltage Schottky Reverse Current CONDITIONS SHDN = 16V
1574 TA02
U
1
元器件交易网
LTC1574 LTC1574-3.3/LTC1574-5
ABSOLUTE
(Note 1)
AXI U
RATI GS
U U W PACKAGE/ORDER I FOR ATIO
TOP VIEW NC 1 GND 2 SW 3 GND 4 VIN 5 IPGM 6 SHDN 7 NC 8 16 NC 15 GND 14 SW 13 GND 12 LBIN 11 LBOUT 10 VOUT (VFB*) 9 NC
MIN TYP MAX 1
q q q
VIN = 6V to 12V, ILOAD = 100mA, IPGM = VIN (Note 3) LTC1574-3.3 (Note 3) LTC1574-5 (Note 3) 20mA < ILOAD < 175mA, IPGM = 0V 20mA < ILOAD < 400mA, IPGM = VIN 20mA < ILOAD < 175mA, IPGM = 0V 20mA < ILOAD < 400mA, IPGM = VIN
UNITS µA V V V mV mV mV mV mV µA µA µA V µA mA µA mV A A Ω µs V
1.20 3.14 4.75
1.25 3.30 5.00 10 –5 – 45 –5 – 50 450 130 2 1.25
1.30 3.46 5.25 70 – 70 – 70 – 70 – 70 600 180 25 1.4 0.5
0.5 7.5 0.54 0.27
1.0 15 0.60 0.34 0.9
1.5 1.0 30 0.83 0.53 1.55 5
3 1.2
4
0.75
V
元器件交易网
LTC1574 LTC1574-3.3/LTC1574-5
ELECTRICAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER IFB VFB VOUT ∆VOUT Feedback Current into Pin 10 Feedback Voltage Regulated Output Voltage Output Voltage Line Regulation Output Voltage Load Regulation CONDITIONS LTC1574 LTC1574 LTC1574-3.3 LTC1574-5
q q q
2
U
W W
W
ORDER PART NUMBER LTC1574CS LTC1574CS-3.3 LTC1574CS-5
S PACKAGE 16-LEAD PLASTIC SO *ADJUSTABLE OUTPUT VERSION TJMAX = 125°C, θJA = 110°C/W
Consult factory for Industrial and Military grade parts.
U APPLICATIO S
s s s s s s
Inverting Converters Step-Down Converters Memory Backup Supply Portable Instruments Battery-Powered Equipment Distributed Power Systems
IQ
Input DC Supply Current (Note 4) Active Mode Sleep Mode Shutdown (Note 5) Low-Battery Trip Point Current into Pin 12 Current Sunk by Pin 11 Comparator Hysteresis Current Limit ON Resistance of Switch Switch Off Time SHDN Pin High SHDN Pin Low
The LTC®1574 is a family of easy-to-use current mode DC/DC converters ideally suited for 9V to 5V, 5V to 3.3V and inverting operation. With an internal 0.9Ω switch (at a supply voltage of 12V) and a low forward drop Schottky diode (0.450V typ at 200mA, TA = 25°C), the LTC1574 requires only three external components to construct a complete high efficiency DC/DC converter. Under no load condition, the LTC1574 draws only 130µA. In shutdown, it draws a mere 2µA making this converter ideal for battery-powered applications. In dropout, the internal P-channel MOSFET switch is turned on continuously allowing the user to maximize the life of the battery source. The maximum inductor current of the LTC1574 family is pin selectable to either 340mA or 600mA, optimizing efficiency for a wide range of applications. Operation up to 200kHz permits the use of small surface mount inductors and capacitors. For applications requiring higher output current or ultrahigh efficiency, see the LTC1148 or LTC1265 data sheets. For detailed applications information, see the LTC1174 data sheet.
LTC1574-5 Efficiency
100 95 L = 100µH VOUT = 5V IPGM = 0V VIN = 6V
5 VIN LBIN LTC1574-5 LBOUT IPGM GND 2, 4, 13, 15 VOUT SW SHDN 7 10 3, 14 100µH†
+
EFFICIENCY (%)
22µF* 35V
90 VIN = 9V 85 80 75 70
+
5V 175mA 100µF* 10V
1574 TA01
* AVX TPSD226K035 ** AVX TPSD107K010 † COILTRONICS CTX100-4
1
U
10 LOAD CURRENT (mA) 100 200
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 9V, SHDN = VIN, IPGM = 0V, unless otherwise specified.