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# Example questions:
➢ In the context of the provided specifications, what is the typical differential input capacitance (cin) for both the 5v and ±15v configurations of the lt6016/lt6017?
➢ Compare and contrast the typical supply voltage (vs) for the lt6016/lt6017 as specified in the text, noting the difference between the 5v and ±15v configurations.
➢ What does the 'l' symbol denote next to a specification value?
| Part No. | LT1494 |
| Manufacturer | LINER |
| Size | 860 Kbytes |
| Pages | 22 pages |
| Description | Dual/Quad 3.2MHz, 0.8V/關s Low Power, Over-The-Top Precision Op Amp |
1. General & Device Grades:
️· Device Grades: The datasheet covers two primary grades:
- Grade I: Designed for general-purpose applications, specified at V<sub>S</sub> = 5V and T<sub>A</sub> = 25°C (unless otherwise noted).
- MP Grade: Designed for wider temperature range applications (-55°C < T<sub>J</sub> < 150°C). Specified at V<sub>S</sub> = 5V and T<sub>A</sub> = 25°C, unless stated otherwise.
2. Electrical Characteristics – Key Specs (Summarized by Category):
(A) Input Offset Voltage (V<sub>OSI</sub>) & Drift:
️· Grade I: -80 μV to +80 μV (typical 0) at V<sub>S</sub> = ±25V.
️· MP Grade: -80 μV to +500 μV at V<sub>S</sub> = ±25V (range is quite wider).
️· Input Offset Voltage Drift (ΔV<sub>OSI</sub>/ΔT): 0.75 μV/°C (for both grades).
(B) Input Bias & Offset Current (I<sub>B</sub> & I<sub>OS</sub>):
️· Grade I I<sub>B</sub>: -5 nA to +5 nA (typical 0).
️· Grade I I<sub>OS</sub>: -5 nA to +5 nA (typical 0).
️· MP Grade I<sub>B</sub>: -5 nA to +300nA (typical 0).
️· MP Grade I<sub>OS</sub>: -5 nA to +50 nA (typical 0). *Note the much wider range for MP grade currents.*
(C) Common-Mode Input Range (V<sub>CMR</sub>):
️· Both grades: 0V to 61V.
️· MP Grade: 0V to 76V.
(D) Input Resistance & Capacitance:
️· Differential Input Resistance (R<sub>IN</sub>): 1 MΩ to 3.7 MΩ
️· Differential Input Capacitance (C<sub>IN</sub>): 5 pF.
(E) Output Characteristics:
️· Output Voltage Swing (Low & High): Varies with supply voltage and load. Examples (but check the full datasheet for complete range):
- Grade I @ V<sub>S</sub> = 5V: 3 mV to 1000 mV (low), 450 mV to 1300 mV (high)
- MP Grade @ V<sub>S</sub> = 5V: 3 mV to 550mV (low), 750mV to 1300mV (high)
️· Output Impedance (R<sub>O</sub>): 0.15 Ω.
(F) AC Performance (Gain, Bandwidth, Slew Rate, Settling Time):
️· Open-Loop Gain (A<sub>OL</sub>): Around 200 V/mV (Grade I), can reach 3000 V/mV (MP grade).
️· Gain-Bandwidth Product (GBW): 2.85 MHz (Grade I), 3.2 MHz (MP Grade)
️· Slew Rate: 0.55 V/μs (Grade I), 0.75 V/μs (MP Grade).
️· Settling Time: ~3.5 μs (for a 0.1% change).
(G) Power Supply Characteristics:
️· Supply Voltage (V<sub>S</sub>): 0V to 61V (both grades), 0V to 50V (reverse supply)
️· Supply Current (I<sub>S</sub>): 315 μA (Grade I), 335 μA to 540 μA (MP grade)
(H) Noise Performance:
️· Input Referred Noise Voltage Density: 18 nV/√Hz (Grade I), 25 nV/√Hz (MP Grade).
️· Input Referred Noise Current Density: 0.1 pA/√Hz (Grade I), 11.5 pA/√Hz (MP Grade).
(I) Rejection Ratio:
️· Power Supply Rejection Ratio (PSRR): 106dB (MP Grade), 126dB (Grade I).
️· Common-Mode Rejection Ratio (CMRR): 90dB to 140dB (depending on input common mode range).
Key Takeaways & Considerations:
️· MP Grade Wider Range: The MP grade has significantly wider ranges for input bias/offset currents and input common mode voltage, making it suitable for more challenging environments.
️· Noise Performance: Consider noise if your application is sensitive to low-level signals.
️· Consult Full Datasheet: This is a summary. Always refer to the complete datasheet for detailed specifications, conditions, graphs, and application notes.
️· Application Specifics: The optimal choice (Grade I vs. MP) depends on your specific application requirements (voltage range, temperature range, current needs, and noise sensitivity).
1. General & Device Grades:
️· Device Grades: The datasheet covers two primary grades:
- Grade I: Designed for general-purpose applications, specified at V<sub>S</sub> = 5V and T<sub>A</sub> = 25°C (unless otherwise noted).
- MP Grade: Designed for wider temperature range applications (-55°C < T<sub>J</sub> < 150°C). Specified at V<sub>S</sub> = 5V and T<sub>A</sub> = 25°C, unless stated otherwise.
2. Electrical Characteristics – Key Specs (Summarized by Category):
(A) Input Offset Voltage (V<sub>OSI</sub>) & Drift:
️· Grade I: -80 μV to +80 μV (typical 0) at V<sub>S</sub> = ±25V.
️· MP Grade: -80 μV to +500 μV at V<sub>S</sub> = ±25V (range is quite wider).
️· Input Offset Voltage Drift (ΔV<sub>OSI</sub>/ΔT): 0.75 μV/°C (for both grades).
(B) Input Bias & Offset Current (I<sub>B</sub> & I<sub>OS</sub>):
️· Grade I I<sub>B</sub>: -5 nA to +5 nA (typical 0).
️· Grade I I<sub>OS</sub>: -5 nA to +5 nA (typical 0).
️· MP Grade I<sub>B</sub>: -5 nA to +300nA (typical 0).
️· MP Grade I<sub>OS</sub>: -5 nA to +50 nA (typical 0). *Note the much wider range for MP grade currents.*
(C) Common-Mode Input Range (V<sub>CMR</sub>):
️· Both grades: 0V to 61V.
️· MP Grade: 0V to 76V.
(D) Input Resistance & Capacitance:
️· Differential Input Resistance (R<sub>IN</sub>): 1 MΩ to 3.7 MΩ
️· Differential Input Capacitance (C<sub>IN</sub>): 5 pF.
(E) Output Characteristics:
️· Output Voltage Swing (Low & High): Varies with supply voltage and load. Examples (but check the full datasheet for complete range):
- Grade I @ V<sub>S</sub> = 5V: 3 mV to 1000 mV (low), 450 mV to 1300 mV (high)
- MP Grade @ V<sub>S</sub> = 5V: 3 mV to 550mV (low), 750mV to 1300mV (high)
️· Output Impedance (R<sub>O</sub>): 0.15 Ω.
(F) AC Performance (Gain, Bandwidth, Slew Rate, Settling Time):
️· Open-Loop Gain (A<sub>OL</sub>): Around 200 V/mV (Grade I), can reach 3000 V/mV (MP grade).
️· Gain-Bandwidth Product (GBW): 2.85 MHz (Grade I), 3.2 MHz (MP Grade)
️· Slew Rate: 0.55 V/μs (Grade I), 0.75 V/μs (MP Grade).
️· Settling Time: ~3.5 μs (for a 0.1% change).
(G) Power Supply Characteristics:
️· Supply Voltage (V<sub>S</sub>): 0V to 61V (both grades), 0V to 50V (reverse supply)
️· Supply Current (I<sub>S</sub>): 315 μA (Grade I), 335 μA to 540 μA (MP grade)
(H) Noise Performance:
️· Input Referred Noise Voltage Density: 18 nV/√Hz (Grade I), 25 nV/√Hz (MP Grade).
️· Input Referred Noise Current Density: 0.1 pA/√Hz (Grade I), 11.5 pA/√Hz (MP Grade).
(I) Rejection Ratio:
️· Power Supply Rejection Ratio (PSRR): 106dB (MP Grade), 126dB (Grade I).
️· Common-Mode Rejection Ratio (CMRR): 90dB to 140dB (depending on input common mode range).
Key Takeaways & Considerations:
️· MP Grade Wider Range: The MP grade has significantly wider ranges for input bias/offset currents and input common mode voltage, making it suitable for more challenging environments.
️· Noise Performance: Consider noise if your application is sensitive to low-level signals.
️· Consult Full Datasheet: This is a summary. Always refer to the complete datasheet for detailed specifications, conditions, graphs, and application notes.
️· Application Specifics: The optimal choice (Grade I vs. MP) depends on your specific application requirements (voltage range, temperature range, current needs, and noise sensitivity).
| Part No. | LT1494 |
| Manufacturer | LINER |
| Size | 860 Kbytes |
| Pages | 22 pages |
| Description | Dual/Quad 3.2MHz, 0.8V/關s Low Power, Over-The-Top Precision Op Amp |
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