Datasheet LTC6255, LTC6256, LTC6257 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | 6.5MHz, 65µA Power Efficient Rail-to-Rail I/O Op Amps |
| Pages / Page | 26 / 6 — 1.8V ELECTRICAL CHARACTERISTICS. The. denotes the specifications which … |
| Revision | E |
| File Format / Size | PDF / 815 Kb |
| Document Language | English |
1.8V ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full
Model Line for this Datasheet
- LTC6255CDC#TRMPBF LTC6255CDC#TRPBF LTC6255CS6#TRMPBF LTC6255CS6#TRPBF LTC6255HS6#TRMPBF LTC6255HS6#TRPBF LTC6255IDC#TRMPBF LTC6255IDC#TRPBF LTC6255IS6#TRMPBF LTC6255IS6#TRPBF
- LTC6256CDC#TRMPBF LTC6256CDC#TRPBF LTC6256CMS#PBF LTC6256CMS#TRPBF LTC6256CMS8#PBF LTC6256CMS8#TRPBF LTC6256CTS8#TRMPBF LTC6256CTS8#TRPBF LTC6256HTS8#TRMPBF LTC6256HTS8#TRPBF LTC6256IDC#TRMPBF LTC6256IDC#TRPBF LTC6256IMS#PBF LTC6256IMS#TRPBF LTC6256IMS8#PBF LTC6256IMS8#TRPBF LTC6256ITS8#TRMPBF LTC6256ITS8#TRPBF
Text Version of Document
LTC6255/LTC6256/LTC6257
1.8V ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VSUPPLY = 1.8V, VCM = VOUT = 0.4V, CL = 10pF, VSHDN is unconnected. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOH Output Swing High (Input Overdrive 30mV), No Load 24 55 mV Measured from V+ l 60 mV ISOURCE = 100µA 30 65 mV l 75 mV ISOURCE = 1mA 75 135 mV l 150 mV ISC Output Short-Circuit Current 12 17 mA l 3 mA IS Supply Current per Amplifier 53 60 68 µA l 35 83 µA Supply Current in Shutdown 1.4 2.0 µA l 3.0 µA ISHDN Shutdown Pin Current VSHDN = 0.5V l –480 –350 nA VSHDN = 1.3V l –160 –40 nA VIL SHDN Input Low Voltage Disable l 0.5 V VIH SHDN Input High Voltage Enable l 1.3 V tON Turn-On Time SHDN Toggle From 0V to 1.8V 150 µs tOFF Turn-Off Time SHDN Toggle From 1.8V to 0V 50 µs BW –3dB Closed Loop Bandwidth AV = 1 4 MHz GBW Gain-Bandwidth Product f = 200kHz 2.4 6 MHz l 1.8 MHz TS Settling Time, 0.3V to 1.5V, Unity Gain 0.1% 4 µs 0.01% 6 µs SR Slew Rate AV = –1, VOUT = 0.3V to 1.5V, CLOAD = 10pF 0.9 1.5 V/µs l 0.75 V/µs FPBW Full Power Bandwidth (Note 8) 1.2VP-P 400 kHz THD+N Total Harmonic Distortion and Noise f = 500Hz, AV = 2, RL = 4kΩ, VOUTP-P = 1V 0.006 % VIN = 0.25V to 0.75V 84 dB
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 5:
The LTC6255C/LTC6256C/LTC6257C are guaranteed to meet may cause permanent damage to the device. Exposure to any Absolute the specified performance from 0°C to 70°C. The LTC6255C/LTC6256C/ Maximum Rating condition for extended periods may affect device LTC6257C are designed, characterized and expected to meet specified reliability and lifetime. performance from –40°C to 85°C but are not tested or QA sampled at
Note 2:
The inputs are protected by back-to-back diodes as well as ESD these temperatures. The LTC6255I/LTC6256I/LTC6257I are guaranteed protection diodes to each power supply. If the differential input voltage to meet specified performance from –40°C to 85°C. The LTC6255H/ exceeds 3.6V or the input extends more than 500mV beyond the power LTC6256H/LTC6257H are guaranteed to meet specified performance supply, the input current should be limited to less than 10mA. from –40°C to 125°C.
Note 3:
A heat sink may be required to keep the junction temperature
Note 6:
Thermal resistance varies with the amount of PC board metal below the absolute maximum rating when the output is shorted connected to the package. The specified values are for short traces indefinitely. connected to the leads.
Note 4:
The LTC6255C/LTC6256C/LTC6257C and LTC6255I/LTC6256I/
Note 7:
The input bias current is the average of the currents through the LTC6257I are guaranteed functional over the temperature range of –40°C positive and negative input pins. to 85°C. The LTC6255H/LTC6256H/LTC6257H are guaranteed functional
Note 8:
Full power bandwidth is calculated from the slew rate FPBW = over the temperature range of –40°C to 125°C. SR/π • VP-P. Rev E 6 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information 5V Electrical Characteristics 1.8V Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Schematic Operation Applications Information Typical Applications Package Description Typical Application Related Parts
1.8V ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VSUPPLY = 1.8V, VCM = VOUT = 0.4V, CL = 10pF, VSHDN is unconnected. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOH Output Swing High (Input Overdrive 30mV), No Load 24 55 mV Measured from V+ l 60 mV ISOURCE = 100µA 30 65 mV l 75 mV ISOURCE = 1mA 75 135 mV l 150 mV ISC Output Short-Circuit Current 12 17 mA l 3 mA IS Supply Current per Amplifier 53 60 68 µA l 35 83 µA Supply Current in Shutdown 1.4 2.0 µA l 3.0 µA ISHDN Shutdown Pin Current VSHDN = 0.5V l –480 –350 nA VSHDN = 1.3V l –160 –40 nA VIL SHDN Input Low Voltage Disable l 0.5 V VIH SHDN Input High Voltage Enable l 1.3 V tON Turn-On Time SHDN Toggle From 0V to 1.8V 150 µs tOFF Turn-Off Time SHDN Toggle From 1.8V to 0V 50 µs BW –3dB Closed Loop Bandwidth AV = 1 4 MHz GBW Gain-Bandwidth Product f = 200kHz 2.4 6 MHz l 1.8 MHz TS Settling Time, 0.3V to 1.5V, Unity Gain 0.1% 4 µs 0.01% 6 µs SR Slew Rate AV = –1, VOUT = 0.3V to 1.5V, CLOAD = 10pF 0.9 1.5 V/µs l 0.75 V/µs FPBW Full Power Bandwidth (Note 8) 1.2VP-P 400 kHz THD+N Total Harmonic Distortion and Noise f = 500Hz, AV = 2, RL = 4kΩ, VOUTP-P = 1V 0.006 % VIN = 0.25V to 0.75V 84 dB
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 5:
The LTC6255C/LTC6256C/LTC6257C are guaranteed to meet may cause permanent damage to the device. Exposure to any Absolute the specified performance from 0°C to 70°C. The LTC6255C/LTC6256C/ Maximum Rating condition for extended periods may affect device LTC6257C are designed, characterized and expected to meet specified reliability and lifetime. performance from –40°C to 85°C but are not tested or QA sampled at
Note 2:
The inputs are protected by back-to-back diodes as well as ESD these temperatures. The LTC6255I/LTC6256I/LTC6257I are guaranteed protection diodes to each power supply. If the differential input voltage to meet specified performance from –40°C to 85°C. The LTC6255H/ exceeds 3.6V or the input extends more than 500mV beyond the power LTC6256H/LTC6257H are guaranteed to meet specified performance supply, the input current should be limited to less than 10mA. from –40°C to 125°C.
Note 3:
A heat sink may be required to keep the junction temperature
Note 6:
Thermal resistance varies with the amount of PC board metal below the absolute maximum rating when the output is shorted connected to the package. The specified values are for short traces indefinitely. connected to the leads.
Note 4:
The LTC6255C/LTC6256C/LTC6257C and LTC6255I/LTC6256I/
Note 7:
The input bias current is the average of the currents through the LTC6257I are guaranteed functional over the temperature range of –40°C positive and negative input pins. to 85°C. The LTC6255H/LTC6256H/LTC6257H are guaranteed functional
Note 8:
Full power bandwidth is calculated from the slew rate FPBW = over the temperature range of –40°C to 125°C. SR/π • VP-P. Rev E 6 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information 5V Electrical Characteristics 1.8V Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Schematic Operation Applications Information Typical Applications Package Description Typical Application Related Parts
