Datasheet LT1635 (Analog Devices)
| 制造商 | Analog Devices |
| 描述 | Micropower Rail-to-Rail Op Amp and Reference |
| 页数 / 页 | 12 / 1 — FEATURES. DESCRIPTIO. Guaranteed Operation at 1.2V. Op Amp and Reference … |
| 文件格式/大小 | PDF / 242 Kb |
| 文件语言 | 英语 |
FEATURES. DESCRIPTIO. Guaranteed Operation at 1.2V. Op Amp and Reference on Single Chip. Micropower: 130. A Supply Current
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LT1635 Micropower Rail-to-Rail Op Amp and Reference
U FEATURES DESCRIPTIO
■
Guaranteed Operation at 1.2V
The LT®1635 is a new analog building block that includes a ■
Op Amp and Reference on Single Chip
rail-to-rail output op amp, a precision reference and reference ■
Micropower: 130
µ
A Supply Current
buffer. The device operates from supplies as low as a single ■ Industrial Temperature Range SO-8 Packages 1.2V or up to ±5V, yet it consumes only 130µA of supply ■ Rail-to-Rail Output current. ■ High Output Current: 20mA Min The input common mode range of the op amp includes ■ Output Drives 1000pF ground and incorporates phase reversal protection to pre- ■ Capable of Floating Mode Operation vent false outputs from occurring when the input is below ■ Specified for 5V and ±5V Supplies the negative supply. The rail-to-rail output stage can swing to ■ Low Reference Drift: 30ppm/°C within 15mV of each rail with no load and can swing to within ■ Industry Standard LM10 Pinout 250mV of each rail while delivering 10mA of output current. The gain bandwidth of the op amp is 175kHz and it is unity-
U
gain stable with up to 1000pF load capacitance.
APPLICATIO S
The 0.2V reference is referred to V – and includes a buffer ■ Battery- or Solar-Powered Systems amplifier to enhance flexibility. The reference and buffer Portable Instrumentation combine to achieve a drift of 30ppm/°C, a line regulation of Sensor Conditioning 20ppm/V and a load regulation of 150ppm/mA. ■ Precision Current Regulators ■ Precision Voltage Regulators The LT1635 is available in 8-pin PDIP and SO packages, and ■ Battery Level Indicator has the industry standard LM10 pinout. ■ Thermocouple Transmitter , LTC and LT are registered trademarks of Linear Technology Corporation.
U TYPICAL APPLICATIO 0V to 5V Regulator Typical Distribution of Input Offset Voltage
C1 25 0.01µF VS = 5V, 0V TA = 25°C 20 VIN > 5.2V R1 100k 15 2 – 7 10 6 V LT1635 OUT PERCENT OF UNITS 3 + 0V TO 5V 4 8 5 R2 3.9k 1 0 VOUT R3 – 1.0 – 0.6 – 0.2 0.2 0.6 1.0 ADJ 5k INPUT OFFSET VOLTAGE (mV) 1635 TA01 1635 TA02 1
U FEATURES DESCRIPTIO
■
Guaranteed Operation at 1.2V
The LT®1635 is a new analog building block that includes a ■
Op Amp and Reference on Single Chip
rail-to-rail output op amp, a precision reference and reference ■
Micropower: 130
µ
A Supply Current
buffer. The device operates from supplies as low as a single ■ Industrial Temperature Range SO-8 Packages 1.2V or up to ±5V, yet it consumes only 130µA of supply ■ Rail-to-Rail Output current. ■ High Output Current: 20mA Min The input common mode range of the op amp includes ■ Output Drives 1000pF ground and incorporates phase reversal protection to pre- ■ Capable of Floating Mode Operation vent false outputs from occurring when the input is below ■ Specified for 5V and ±5V Supplies the negative supply. The rail-to-rail output stage can swing to ■ Low Reference Drift: 30ppm/°C within 15mV of each rail with no load and can swing to within ■ Industry Standard LM10 Pinout 250mV of each rail while delivering 10mA of output current. The gain bandwidth of the op amp is 175kHz and it is unity-
U
gain stable with up to 1000pF load capacitance.
APPLICATIO S
The 0.2V reference is referred to V – and includes a buffer ■ Battery- or Solar-Powered Systems amplifier to enhance flexibility. The reference and buffer Portable Instrumentation combine to achieve a drift of 30ppm/°C, a line regulation of Sensor Conditioning 20ppm/V and a load regulation of 150ppm/mA. ■ Precision Current Regulators ■ Precision Voltage Regulators The LT1635 is available in 8-pin PDIP and SO packages, and ■ Battery Level Indicator has the industry standard LM10 pinout. ■ Thermocouple Transmitter , LTC and LT are registered trademarks of Linear Technology Corporation.
U TYPICAL APPLICATIO 0V to 5V Regulator Typical Distribution of Input Offset Voltage
C1 25 0.01µF VS = 5V, 0V TA = 25°C 20 VIN > 5.2V R1 100k 15 2 – 7 10 6 V LT1635 OUT PERCENT OF UNITS 3 + 0V TO 5V 4 8 5 R2 3.9k 1 0 VOUT R3 – 1.0 – 0.6 – 0.2 0.2 0.6 1.0 ADJ 5k INPUT OFFSET VOLTAGE (mV) 1635 TA01 1635 TA02 1