Allicdata Part #: | LT1990IS8#TRPBFTR-ND |
Manufacturer Part#: |
LT1990IS8#TRPBF |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC OPAMP DIFF 105KHZ RRO 8SODifferential Amplifier... |
More Detail: | N/A |
DataSheet: | LT1990IS8#TRPBF Datasheet/PDF |
Quantity: | 1000 |
Series: | LT1990 |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Amplifier Type: | Differential |
Number of Circuits: | 1 |
Output Type: | Rail-to-Rail |
Slew Rate: | 0.55 V/µs |
Gain Bandwidth Product: | 100 kHz |
Current - Input Bias: | -- |
-3db Bandwidth: | 105kHz |
Voltage - Input Offset: | 900µV |
Current - Supply: | 140µA |
Current - Output / Channel: | 22mA |
Voltage - Supply, Single/Dual (±): | 2.7 V ~ 36 V, ±1.35 V ~ 18 V |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 8-SO |
Base Part Number: | LT1990IS8#TRPBF |
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1. DESCRIPTIO
The LT®1990 is a micropower precision difference amplifier with a very high common mode input voltage range. It has pin selectable gains of 1 or 10. The LT1990 operates over a ±250V common mode voltage range on a ±15V supply. The inputs are fault protected from common mode voltage transients up to ±350V and differential voltages up to ±500V. The LT1990 is ideally suited for both high side and low side current or voltage monitoring. On a single 5V supply, the LT1990 has an adjustable 85V input range, 70dB min CMRR and draws less than 120µA supply current. The rail-to-rail output maximizes the dynamic range, especially important for single supplies as low as 2.7V. The LT1990 is specified for single 3V, 5V and ±15V supplies over both commercial and industrial temperature ranges. The LT1990 is available in the 8-pin SO package.
2. FEATURES
1. Pin Selectable Gain of 1 or 10
2. High Common Mode Voltage Range:
- 85V Window (VS = 5V, 0V)
- ±250V (VS = ±15V)
3. Common Mode Rejection Ratio: 70dB Min
4. Input Protection to ±350V
5. Gain Error: 0.28% Max
6. PSRR: 82dB Min
7. High Input Impedance: 2MΩ Differential, 500kΩ Common Mode
8. Micropower: 120µA Max Supply Current
9. Wide Supply Range: 2.7V to 36V
10. –3dB Bandwidth: 100kHz
11. Rail-to-Rail Output
12. 8-Pin SO Package
3. Application field
1. Battery Cell Voltage Monitoring
2. High Voltage Current Sensing
3. Signal Acquisition in Noisy Environments
4. Input Protection
5. Fault Protected Front Ends
6. Level Sensing
7. Isolation
4. Pin configuration
5. Packaging Information
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