Datasheet LT6660 (Analog Devices)

制造商Analog Devices
描述Tiny Micropower Precision Series References in 2mm × 2mm DFN
页数 / 页12 / 1 — FEATURES. DESCRIPTIO. No Output Capacitor Required. Low Drift: 20ppm/°C …
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FEATURES. DESCRIPTIO. No Output Capacitor Required. Low Drift: 20ppm/°C Max. High Accuracy: 0.2% Max. APPLICATIO S

Datasheet LT6660 Analog Devices

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LT6660 Tiny Micropower Precision Series References in 2mm × 2mm DFN
U FEATURES DESCRIPTIO

No Output Capacitor Required
The LT®6660 is a family of micropower series references ■
Low Drift: 20ppm/°C Max
that combine high accuracy and low drift with low power ■
High Accuracy: 0.2% Max
dissipation and extremely small package size. These se- ■ Low Supply Current ries references use curvature compensation to obtain ■ 20mA Output Current Guaranteed low temperature coefficient, and laser trimmed precision ■ Reverse-Battery Protection thin-film resistors to achieve high output accuracy. The ■ Low IR Reflow Induced Stress: 0.02% Typ LT6660 will supply up to 20mA with excellent line regula- ■ Voltage Options: 2.5V, 3V, 3.3V, 5V and 10V tion characteristics, making it ideal for precision regulator ■ Space-Saving Alternative to the LT1460 applications. ■ 3-Lead 2mm × 2mm × 0.75mm DFN Package The LT6660 family of series references provide supply current and power dissipation advantages over shunt
U
references that must idle the entire load current to oper-
APPLICATIO S
ate. Additional y, the LT6660 does not require an output ■ Handheld Instruments compensation capacitor. This feature is important in ■ Precision Regulators applications where PC board space is a premium, fast set- ■ A/D and D/A Converters tling is demanded, or total capacitance must be kept to a ■ Power Supplies minimum, as in intrinsic safety applications. Reverse-bat- ■ Hard Disk Drives tery protection keeps these references from conducting ■ Sensor Modules reverse current. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
U TYPICAL APPLICATIO LT6660H VOUT Shift Due to IR Reflow
32 28
Basic Connection
24 20 LT6660 VOUT + 0.9V ≤ VIN ≤ 20V IN OUT VOUT 16 C1 GND 12 0.1µF DISTRIBUTION (%) 6660 TA01 8 4 0 –0.09 –0.05 –0.01 0.01 0.05 0.09 CHANGE IN VOUT (%) 6660 TA01b 6660fa 1