Datasheet LT6600-20 (Analog Devices) - 3
| Fabricante | Analog Devices |
| Descripción | Very Low Noise, Differential Amplifier and 20MHz Lowpass Filter |
| Páginas / Página | 12 / 3 — ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply … |
| Formato / tamaño de archivo | PDF / 179 Kb |
| Idioma del documento | Inglés |
ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply over the full operating temperature
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LT6600-20
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. Unless otherwise specifi ed VS = 5V (V+ = 5V, V– = 0V), RIN = 402
Ω
, and RLOAD = 1k. PARAMETER CONDITIONS MIN TYP MAX UNITS
Filter Gain, RIN = 100 VIN = 0.5VP-P, fIN = DC to 260kHz, VS = 3V 11.6 12.1 12.6 dB VIN = 0.5VP-P, fIN = DC to 260kHz, VS = 5V 11.5 12.0 12.5 dB VIN = 0.5VP-P, fIN = DC to 260kHz, VS = 5V 11.4 11.9 12.4 dB Filter Gain Temperature Coeffi cient (Note 2) fIN = 250kHz, VIN = 2VP-P 780 ppm/C Noise Noise BW = 10kHz to 20MHz 118 μVRMS Distortion (Note 4) 2.5MHz, 2VP-P, RL = 800Ω 2nd Harmonic 83 dBc 3rd Harmonic 88 dBc 20MHz, 2VP-P, RL = 800Ω 2nd Harmonic 63 dBc 3rd Harmonic 64 dBc Differential Output Swing Measured Between Pins 4 and 5 VS = 5V l 3.80 4.75 VP-P DIFF VS = 3V l 3.75 4.50 VP-P DIFF Input Bias Current Average of Pin 1 and Pin 8 l –95 –50 μA Input Referred Differential Offset RIN = 402Ω VS = 3V l 5 25 mV VS = 5V l 10 30 mV VS = ±5V l 10 35 mV RIN = 100Ω VS = 3V l 5 15 mV VS = 5V l 5 17 mV VS = ±5V l 5 20 mV Differential Offset Drift 10 μV/°C Input Common Mode Voltage (Note 3) Differential Input = 500mVP-P, VS = 3V l 0.0 1.5 V RIN = 100Ω VS = 5V l 0.0 3.0 V VS = ±5V l –2.5 1.0 V Output Common Mode Voltage (Note 5) Differential Input = 2VP-P, VS = 3V l 1.0 1.5 V Pin 7 = OPEN VS = 5V l 1.5 3.0 V Common Mode Voltage at Pin 2 VS = ±5V l –1.0 2.0 V Output Common Mode Offset VS = 3V l –35 5 40 mV (with Respect to Pin 2) VS = 5V l –40 0 40 mV VS = ±5V l –55 –5 35 mV Common Mode Rejection Ratio 66 dB Voltage at VMID (Pin 7) VS = 5 l 2.46 2.51 2.55 V VS = 3 1.5 V VMID Input Resistance l 4.35 5.7 7.65 kΩ VOCM Bias Current VOCM = VMID = VS/2 VS = 5V l –15 –3 μA VS = 3V l –10 –3 μA Power Supply Current VS = 3V, VS = 5 42 46 mA VS = 3V, VS = 5 l 53 mA VS = ±5V l 46 56 mA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 5:
Output common mode voltage is the average of the voltages at may cause permanent damage to the device. Exposure to any Absolute Pins 4 and 5. The output common mode voltage is equal to the voltage Maximum Rating condition for extended periods may affect device applied to Pin 2. reliability and lifetime.
Note 6:
The LT6600C-20 is guaranteed functional over the operating
Note 2:
This is the temperature coeffi cient of the internal feedback temperature range –40°C to 85°C. resistors assuming a temperature independent external resistor (RIN).
Note 7:
The LT6600C-20 is guaranteed to meet 0°C to 70°C specifi cations
Note 3:
The input common mode voltage is the average of the voltages and is designed, characterized and expected to meet the extended applied to the external resistors (RIN). Specifi cation guaranteed for RIN ≥ temperature limits, but is not tested at –40°C and 85°C. The LT6600I-20 is 100Ω. guaranteed to meet specifi ed performance from –40°C to 85°C.
Note 4:
Distortion is measured differentially using a differential stimulus.
Note 8:
The inputs are protected by back-to-back diodes. If the differential The input common mode voltage, the voltage at Pin 2, and the voltage at input voltage exceeds 1.4V, the input current should be limited to less than Pin 7 are equal to one half of the total power supply voltage. 10mA. 66002fb 3
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. Unless otherwise specifi ed VS = 5V (V+ = 5V, V– = 0V), RIN = 402
Ω
, and RLOAD = 1k. PARAMETER CONDITIONS MIN TYP MAX UNITS
Filter Gain, RIN = 100 VIN = 0.5VP-P, fIN = DC to 260kHz, VS = 3V 11.6 12.1 12.6 dB VIN = 0.5VP-P, fIN = DC to 260kHz, VS = 5V 11.5 12.0 12.5 dB VIN = 0.5VP-P, fIN = DC to 260kHz, VS = 5V 11.4 11.9 12.4 dB Filter Gain Temperature Coeffi cient (Note 2) fIN = 250kHz, VIN = 2VP-P 780 ppm/C Noise Noise BW = 10kHz to 20MHz 118 μVRMS Distortion (Note 4) 2.5MHz, 2VP-P, RL = 800Ω 2nd Harmonic 83 dBc 3rd Harmonic 88 dBc 20MHz, 2VP-P, RL = 800Ω 2nd Harmonic 63 dBc 3rd Harmonic 64 dBc Differential Output Swing Measured Between Pins 4 and 5 VS = 5V l 3.80 4.75 VP-P DIFF VS = 3V l 3.75 4.50 VP-P DIFF Input Bias Current Average of Pin 1 and Pin 8 l –95 –50 μA Input Referred Differential Offset RIN = 402Ω VS = 3V l 5 25 mV VS = 5V l 10 30 mV VS = ±5V l 10 35 mV RIN = 100Ω VS = 3V l 5 15 mV VS = 5V l 5 17 mV VS = ±5V l 5 20 mV Differential Offset Drift 10 μV/°C Input Common Mode Voltage (Note 3) Differential Input = 500mVP-P, VS = 3V l 0.0 1.5 V RIN = 100Ω VS = 5V l 0.0 3.0 V VS = ±5V l –2.5 1.0 V Output Common Mode Voltage (Note 5) Differential Input = 2VP-P, VS = 3V l 1.0 1.5 V Pin 7 = OPEN VS = 5V l 1.5 3.0 V Common Mode Voltage at Pin 2 VS = ±5V l –1.0 2.0 V Output Common Mode Offset VS = 3V l –35 5 40 mV (with Respect to Pin 2) VS = 5V l –40 0 40 mV VS = ±5V l –55 –5 35 mV Common Mode Rejection Ratio 66 dB Voltage at VMID (Pin 7) VS = 5 l 2.46 2.51 2.55 V VS = 3 1.5 V VMID Input Resistance l 4.35 5.7 7.65 kΩ VOCM Bias Current VOCM = VMID = VS/2 VS = 5V l –15 –3 μA VS = 3V l –10 –3 μA Power Supply Current VS = 3V, VS = 5 42 46 mA VS = 3V, VS = 5 l 53 mA VS = ±5V l 46 56 mA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 5:
Output common mode voltage is the average of the voltages at may cause permanent damage to the device. Exposure to any Absolute Pins 4 and 5. The output common mode voltage is equal to the voltage Maximum Rating condition for extended periods may affect device applied to Pin 2. reliability and lifetime.
Note 6:
The LT6600C-20 is guaranteed functional over the operating
Note 2:
This is the temperature coeffi cient of the internal feedback temperature range –40°C to 85°C. resistors assuming a temperature independent external resistor (RIN).
Note 7:
The LT6600C-20 is guaranteed to meet 0°C to 70°C specifi cations
Note 3:
The input common mode voltage is the average of the voltages and is designed, characterized and expected to meet the extended applied to the external resistors (RIN). Specifi cation guaranteed for RIN ≥ temperature limits, but is not tested at –40°C and 85°C. The LT6600I-20 is 100Ω. guaranteed to meet specifi ed performance from –40°C to 85°C.
Note 4:
Distortion is measured differentially using a differential stimulus.
Note 8:
The inputs are protected by back-to-back diodes. If the differential The input common mode voltage, the voltage at Pin 2, and the voltage at input voltage exceeds 1.4V, the input current should be limited to less than Pin 7 are equal to one half of the total power supply voltage. 10mA. 66002fb 3