Datasheet LTC6240, LTC6241, LTC6242 (Analog Devices)
| Manufacturer | Analog Devices |
| Description | Single 18MHz, Low Noise, Rail-to-Rail Output, CMOS Op Amp |
| Pages / Page | 32 / 1 — FEATURES. DESCRIPTION. 0.1Hz to 10Hz Noise: 550nVP-P. Input Bias … |
| File Format / Size | PDF / 435 Kb |
| Document Language | English |
FEATURES. DESCRIPTION. 0.1Hz to 10Hz Noise: 550nVP-P. Input Bias Current:. 0.2pA (Typ at 25°C). 1pA Max (LTC6240)
Model Line for this Datasheet
- LTC6240CS5#PBF LTC6240CS5#TRMPBF LTC6240CS5#TRPBF LTC6240CS8#PBF LTC6240CS8#TRPBF LTC6240DICE LTC6240HS5#PBF LTC6240HS5#TRMPBF LTC6240HS5#TRPBF LTC6240HS8#PBF LTC6240HS8#TRPBF LTC6240HVCS5#PBF LTC6240HVCS5#TRMPBF LTC6240HVCS5#TRPBF LTC6240HVCS8#PBF LTC6240HVCS8#TRPBF LTC6240HVHS5#PBF LTC6240HVHS5#TRM LTC6240HVHS5#TRMPBF LTC6240HVHS5#TRPBF LTC6240HVHS8#PBF LTC6240HVHS8#TRPBF LTC6240HVIS5#PBF LTC6240HVIS5#TRMPBF LTC6240HVIS5#TRPBF LTC6240HVIS8#PBF LTC6240HVIS8#TRPBF LTC6240IS5#PBF LTC6240IS5#TRMPBF LTC6240IS5#TRPBF LTC6240IS8#PBF LTC6240IS8#TRPBF
- LTC6241CDD#PBF LTC6241CDD#TRPBF LTC6241CS8#PBF LTC6241CS8#TRPBF LTC6241HS8#PBF LTC6241HS8#TRPBF LTC6241HVCDD#PBF LTC6241HVCDD#TRPBF LTC6241HVCS8#PBF LTC6241HVCS8#TRPBF LTC6241HVHS8#PBF LTC6241HVHS8#TRPBF LTC6241HVIDD#PBF LTC6241HVIDD#TRPBF LTC6241HVIS8#PBF LTC6241HVIS8#TRPBF LTC6241IDD#PBF LTC6241IDD#TRPBF LTC6241IS8#PBF LTC6241IS8#TRPBF
- LTC6242CDHC#PBF LTC6242CDHC#TRPBF LTC6242CGN#PBF LTC6242CGN#TRPBF LTC6242HGN#PBF LTC6242HGN#TRPBF LTC6242HVCDHC#PBF LTC6242HVCDHC#TRPBF LTC6242HVCGN#PBF LTC6242HVCGN#TRPBF LTC6242HVHGN#PBF LTC6242HVHGN#TRPBF LTC6242HVIDHC#PBF LTC6242HVIDHC#TRPBF LTC6242HVIGN#PBF LTC6242HVIGN#TRPBF LTC6242IDHC#PBF LTC6242IDHC#TRPBF LTC6242IGN#PBF LTC6242IGN#TRPBF
Text Version of Document
LTC6240/LTC6241/LTC6242 Single/Dual/Quad 18MHz, Low Noise, Rail-to-Rail Output, CMOS Op Amps
FEATURES DESCRIPTION
n
0.1Hz to 10Hz Noise: 550nVP-P
The LTC®6240/6241/LTC6242 are single, dual and quad n
Input Bias Current:
low noise, low offset, rail-to-rail output, unity gain stable
0.2pA (Typ at 25°C)
CMOS op amps that feature 1pA of input bias current. Input
1pA Max (LTC6240)
bias current is guaranteed to be 1pA max on the single n
Low Offset Voltage: 125μV Max
LTC6240. The 0.1Hz to 10Hz noise of only 550nVP-P, along n Low Offset Drift: 2.5μV/°C Max with an offset of just 125μV are signifi cant improvements n Gain Bandwidth Product: 18MHz over traditional CMOS op amps. Additionally, noise is n Output Swings Rail-to-Rail guaranteed to be less than 10nV/√Hz at 1kHz. An 18MHz n Supply Operation: gain bandwidth, and 10V/μs slew rate, along with the wide 2.8V to 6V LTC6240/LTC6241/LTC6242 supply range and low input capacitance, make them perfect 2.8V to ±5.5V LTC6240HV/LTC6241HV/LTC6242HV for use as fast signal processing amplifi ers. n Low Input Capacitance These op amps have an output stage that swings within n H-Grade Temperature Range: –40°C to 125°C 30mV of either supply rail to maximize the signal dynamic n Single LTC6240 in 5-Pin Low Profi le (1mm) range in low supply applications. The input common mode ThinSOT™ Package and 8-Pin SO for PCB Guard Ring range extends to the negative supply. They are fully speci- n Dual LTC6241 in 8-Pin SO and Tiny DFN Packages fi ed on 3V and 5V, and an HV version guarantees operation n Quad LTC6242 in 16-Pin SSOP and 5mm × 3mm on supplies up to ±5V. DFN Packages The LTC6240 is available in the 8-pin SO and the 5-pin SOT-
APPLICATIONS
23 packages. The LTC6241 is available in the 8-pin SO, and n for compact designs it is packaged in a tiny dual fi ne pitch Photo Diode Amplifi ers n leadless (DFN) package. The LTC6242 is available in the Charge Coupled Amplifi ers n 16-pin SSOP as well as the 5mm Low Noise Signal Processing × 3mm DFN package. n Medical Instrumentation L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. n High Impedance Transducer Amplifi er All other trademarks are the property of their respective owners.
TYPICAL APPLICATION Low Noise Single-Ended Input to Differential Output Amplifi er Noise Voltage vs Frequency
C3 60 10pF TA = 25°C VS = ±2.5V C4 50 VCM = 0V R4 10pF ) 4.99k Hz C1 /√ 40 R1 10pF R3 +2.5V 200k 4.99k GE (nV VIN – TA 30 1/2 V + LTC6241 OUT 20 + – NOISE VOL 1/2 –2.5V 10 V – LTC6241 OUT + R2 0 200k 1 10 100 1k 10k 100k FREQUENCY (Hz) 6241 TA01a C2 6241 TA01b 10pF 624012fe 1
FEATURES DESCRIPTION
n
0.1Hz to 10Hz Noise: 550nVP-P
The LTC®6240/6241/LTC6242 are single, dual and quad n
Input Bias Current:
low noise, low offset, rail-to-rail output, unity gain stable
0.2pA (Typ at 25°C)
CMOS op amps that feature 1pA of input bias current. Input
1pA Max (LTC6240)
bias current is guaranteed to be 1pA max on the single n
Low Offset Voltage: 125μV Max
LTC6240. The 0.1Hz to 10Hz noise of only 550nVP-P, along n Low Offset Drift: 2.5μV/°C Max with an offset of just 125μV are signifi cant improvements n Gain Bandwidth Product: 18MHz over traditional CMOS op amps. Additionally, noise is n Output Swings Rail-to-Rail guaranteed to be less than 10nV/√Hz at 1kHz. An 18MHz n Supply Operation: gain bandwidth, and 10V/μs slew rate, along with the wide 2.8V to 6V LTC6240/LTC6241/LTC6242 supply range and low input capacitance, make them perfect 2.8V to ±5.5V LTC6240HV/LTC6241HV/LTC6242HV for use as fast signal processing amplifi ers. n Low Input Capacitance These op amps have an output stage that swings within n H-Grade Temperature Range: –40°C to 125°C 30mV of either supply rail to maximize the signal dynamic n Single LTC6240 in 5-Pin Low Profi le (1mm) range in low supply applications. The input common mode ThinSOT™ Package and 8-Pin SO for PCB Guard Ring range extends to the negative supply. They are fully speci- n Dual LTC6241 in 8-Pin SO and Tiny DFN Packages fi ed on 3V and 5V, and an HV version guarantees operation n Quad LTC6242 in 16-Pin SSOP and 5mm × 3mm on supplies up to ±5V. DFN Packages The LTC6240 is available in the 8-pin SO and the 5-pin SOT-
APPLICATIONS
23 packages. The LTC6241 is available in the 8-pin SO, and n for compact designs it is packaged in a tiny dual fi ne pitch Photo Diode Amplifi ers n leadless (DFN) package. The LTC6242 is available in the Charge Coupled Amplifi ers n 16-pin SSOP as well as the 5mm Low Noise Signal Processing × 3mm DFN package. n Medical Instrumentation L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. n High Impedance Transducer Amplifi er All other trademarks are the property of their respective owners.
TYPICAL APPLICATION Low Noise Single-Ended Input to Differential Output Amplifi er Noise Voltage vs Frequency
C3 60 10pF TA = 25°C VS = ±2.5V C4 50 VCM = 0V R4 10pF ) 4.99k Hz C1 /√ 40 R1 10pF R3 +2.5V 200k 4.99k GE (nV VIN – TA 30 1/2 V + LTC6241 OUT 20 + – NOISE VOL 1/2 –2.5V 10 V – LTC6241 OUT + R2 0 200k 1 10 100 1k 10k 100k FREQUENCY (Hz) 6241 TA01a C2 6241 TA01b 10pF 624012fe 1
