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LTC1426
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Category:DAC digital-to-analog converter
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Product Name:Micropower Dual 6-Bit PWM DAC
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Manufacturers:LT
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Production Batch Number:10+
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Encapsulation:SO-8, MSOP-8
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Stock Status:There is stock
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Stock Quantity:2000
- Minimum order quantity: 1
- Details:
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LTC1426Micropower Dual 6-Bit PWM DAC
peculiarity
- Wide Supply Range: 2.7V
Supply Current in Shutdown: 10µA Typ
Low Supply Current: 115µA Typ
Available in 8-Pin SO
SMBus Serial Interface
Four Selectable SMBus Addresses
DAC Powers Up at Zero or Midscale
DAC Contents Are Retained in Shutdown
The LTC®1427-50 is a micropower, 10-Bit current output DAC with an output range of 0µA to 50µA. The DAC output is guaranteed monotonic and DNL is less than 0.9LSB under all operating conditions. Full-scale accuracy is ±2.5% over the commercial temperature range. The LTC1427-50 operates with power supply voltages from 2.7V to 5.5V and the DAC current source output can be biased from (V
– 1.3V) to –15V. The LTC1427-50 communicates with external circuitry by using the SMBus serial interface. It acts as an SMBus slave device using one of four selectable SMBus addresses set by the two address pins AD0 and AD1 . On power-up, the DAC output assumes midrange or zero scale, depending on the logic state of the two address pins. The LTC1427-50 can be shut down through the SHDN pin or by setting the SHDN bit = 1 in the SMBus command byte. Digital data for the DAC output is retained internally and the supply current drops to 10µA typically when in shutdown. The LTC1427-50 is available in an 8-pin SO package.
LCD Contrast and Backlight Brightness Control
Power Supply Voltage Adjustment
Battery Charger Voltage/Current Adjustment
GaAs FET Bias Adjustment
Trimmer Pot Elimination
1840
120*85
薄膜电容器420uF 1100V PUR -15% to 0% (85 X 135mm)
TC1427COA713
MAX1427ETN-D
2SD1427
全新原装,5A/600V
D1427
1500V,5A,80W
2SB1427E
DS1427L-F5
TPS51427A
带外 (OOB) 功能已禁用的、用于笔记本电脑电源的 D-CAP+™ 模式双路同步降压控制器
CCSupply Current in Shutdown: 10µA Typ
Low Supply Current: 115µA Typ
Available in 8-Pin SO
SMBus Serial Interface
Four Selectable SMBus Addresses
DAC Powers Up at Zero or Midscale
DAC Contents Are Retained in Shutdown
The LTC®1427-50 is a micropower, 10-Bit current output DAC with an output range of 0µA to 50µA. The DAC output is guaranteed monotonic and DNL is less than 0.9LSB under all operating conditions. Full-scale accuracy is ±2.5% over the commercial temperature range. The LTC1427-50 operates with power supply voltages from 2.7V to 5.5V and the DAC current source output can be biased from (V
– 1.3V) to –15V. The LTC1427-50 communicates with external circuitry by using the SMBus serial interface. It acts as an SMBus slave device using one of four selectable SMBus addresses set by the two address pins AD0 and AD1 . On power-up, the DAC output assumes midrange or zero scale, depending on the logic state of the two address pins. The LTC1427-50 can be shut down through the SHDN pin or by setting the SHDN bit = 1 in the SMBus command byte. Digital data for the DAC output is retained internally and the supply current drops to 10µA typically when in shutdown. The LTC1427-50 is available in an 8-pin SO package.
LCD Contrast and Backlight Brightness Control
Power Supply Voltage Adjustment
Battery Charger Voltage/Current Adjustment
GaAs FET Bias Adjustment
Trimmer Pot Elimination
1840
120*85
薄膜电容器420uF 1100V PUR -15% to 0% (85 X 135mm)
TC1427COA713
MAX1427ETN-D
2SD1427
全新原装,5A/600V
D1427
1500V,5A,80W
2SB1427E
DS1427L-F5
TPS51427A
带外 (OOB) 功能已禁用的、用于笔记本电脑电源的 D-CAP+™ 模式双路同步降压控制器
- Wide Reference Voltage Range: 0V to 5.5V
- Two Interface Modes:Pulse Mode (Increment Only)Pushbutton Mode (Increment/Decrement)
- Low Supply Current: 50µA
- 0.2µA Supply Current in Shutdown
- Available in 8-Pin MSOP and SO Packages
- DAC Contents Are Retained in Shutdown
- DACs Power-Up at Midrange
- Low Output Impedance:
- Output Frequency: 5kHz Typ
description
The LTC®1426 is a dual micropower 6-bit PWM DAC featuring versatile PWM outputs and a flexible pushbutton compatible digital interface. The DAC outputs provide a PWM signal that swings from 0V to VREF, allowing the full-scale output to be varied by adjusting the voltage at VREF. The PWM output frequency is typically 5kHz, easing output filtering requirements. VCCsupply current is typically 50µA and drops to 0.2µA in shutdown. The LTC1426 can be controlled using one of two interface modes: pushbutton and pulse. The LTC1426 automatically configures itself into the appropriate mode at start-up by monitoring the state of the CLK pins. In pushbutton mode, the CLK pins can be directly connected to external pushbuttons to control the DAC output. In pulse mode, the CLK pins can be connected to CMOS compatible logic. The DAC outputs initially power up at half scale and the contents of the internal DAC registers are retained in shutdown. The LTC1426 is available in 8-pin MSOP and SO packages
apply
- LCD Contrast and Backlight Brightness Control
- Power Supply Voltage Adjustment
- Battery Charger Voltage and Current Adjustment
- GaAs FET Bias Adjustment
- Trimmer Pot Elimination
andLTC1426Related ICs are:
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