Datasheet LT1884, LT1885 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | Dual/Quad Rail-to-Rail Output, Picoamp Input Precision Op Amps |
| Pages / Page | 12 / 4 — ELECTRICAL CHARACTERISTICS. The |
| File Format / Size | PDF / 173 Kb |
| Document Language | English |
ELECTRICAL CHARACTERISTICS. The
Model Line for this Datasheet
Text Version of Document
LT1884/LT1885
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. Single supply operation VEE = 0, VCC = 5V; VCM = VCC/2 unless otherwise noted. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
∆VOS Offset Voltage Match (LT1884A) 30 70 µV 0°C < TA < 70°C ● 125 µV – 40°C < TA < 85°C ● 160 µV Offset Voltage Match (LT1884/LT1885) (Note 7) 35 125 µV 0°C < TA < 70°C ● 195 µV – 40°C < TA < 85°C ● 235 µV Offset Voltage Match Drift (Notes 6, 7) ● 0.4 1.2 µV/°C ∆IB+ Noninverting Bias Current Match 200 600 pA (LT1884A) 0°C < TA < 70°C ● 700 pA – 40°C < TA < 85°C ● 850 pA Noninverting Bias Current Match (Notes 7, 9) 250 1200 pA (LT1884/LT1885) 0°C < TA < 70°C ● 1600 pA – 40°C < TA < 85°C ● 1900 pA ∆CMRR Common Mode Rejection Match (Notes 7, 9) ● 104 125 dB ∆PSRR Positive Power Supply Rejection Match VEE = 0, VCM = 1.5V (Notes 7, 9) 0°C < TA < 85°C, 2.7V < VCC < 32V ● 104 126 dB TA = – 40°C, 3V < VCC < 32V 104 126 dB
The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. Split supply operation VS =
±
15V; VCM = 0V unless otherwise noted. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOS Input Offset Voltage (LT1884A) 25 50 µV 0°C < TA < 70°C ● 85 µV – 40°C < TA < 85°C ● 110 µV Input Offset Voltage (LT1884/LT1885) 30 80 µV 0°C < TA < 70°C ● 125 µV – 40°C < TA < 85°C ● 150 µV Input Offset Voltage Drift (Note 6) 0°C < TA < 70°C ● 0.3 0.8 µV/°C – 40°C < TA < 85°C ● 0.3 0.8 µV/°C IOS Input Offset Current (LT1884A) 150 300 pA 0°C < TA < 70°C ● 400 pA – 40°C < TA < 85°C ● 500 pA Input Offset Current (LT1884/LT1885) 150 900 pA 0°C < TA < 70°C ● 1200 pA – 40°C < TA < 85°C ● 1400 pA IB Input Bias Current (LT1884A) 150 400 pA 0°C < TA < 70°C ● 500 pA – 40°C < TA < 85°C ● 600 pA Input Bias Current (LT1884/LT1885) 150 900 pA 0°C < TA < 70°C ● 1200 pA – 40°C < TA < 85°C ● 1400 pA Input Noise Voltage 0.1Hz to 10Hz 0.4 µVP-P en Input Noise Voltage Density f = 1kHz 9.5 nV/√Hz in Input Noise Current Density f = 1kHz 0.05 pA/√Hz VCM Input Voltage Range VEE + 1.0 VCC – 1.0 V ● VEE + 1.2 VCC – 1.2 V CMRR Common Mode Rejection Ratio –13.5V < VCM < 13.5V ● 114 130 dB 4
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. Single supply operation VEE = 0, VCC = 5V; VCM = VCC/2 unless otherwise noted. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
∆VOS Offset Voltage Match (LT1884A) 30 70 µV 0°C < TA < 70°C ● 125 µV – 40°C < TA < 85°C ● 160 µV Offset Voltage Match (LT1884/LT1885) (Note 7) 35 125 µV 0°C < TA < 70°C ● 195 µV – 40°C < TA < 85°C ● 235 µV Offset Voltage Match Drift (Notes 6, 7) ● 0.4 1.2 µV/°C ∆IB+ Noninverting Bias Current Match 200 600 pA (LT1884A) 0°C < TA < 70°C ● 700 pA – 40°C < TA < 85°C ● 850 pA Noninverting Bias Current Match (Notes 7, 9) 250 1200 pA (LT1884/LT1885) 0°C < TA < 70°C ● 1600 pA – 40°C < TA < 85°C ● 1900 pA ∆CMRR Common Mode Rejection Match (Notes 7, 9) ● 104 125 dB ∆PSRR Positive Power Supply Rejection Match VEE = 0, VCM = 1.5V (Notes 7, 9) 0°C < TA < 85°C, 2.7V < VCC < 32V ● 104 126 dB TA = – 40°C, 3V < VCC < 32V 104 126 dB
The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. Split supply operation VS =
±
15V; VCM = 0V unless otherwise noted. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOS Input Offset Voltage (LT1884A) 25 50 µV 0°C < TA < 70°C ● 85 µV – 40°C < TA < 85°C ● 110 µV Input Offset Voltage (LT1884/LT1885) 30 80 µV 0°C < TA < 70°C ● 125 µV – 40°C < TA < 85°C ● 150 µV Input Offset Voltage Drift (Note 6) 0°C < TA < 70°C ● 0.3 0.8 µV/°C – 40°C < TA < 85°C ● 0.3 0.8 µV/°C IOS Input Offset Current (LT1884A) 150 300 pA 0°C < TA < 70°C ● 400 pA – 40°C < TA < 85°C ● 500 pA Input Offset Current (LT1884/LT1885) 150 900 pA 0°C < TA < 70°C ● 1200 pA – 40°C < TA < 85°C ● 1400 pA IB Input Bias Current (LT1884A) 150 400 pA 0°C < TA < 70°C ● 500 pA – 40°C < TA < 85°C ● 600 pA Input Bias Current (LT1884/LT1885) 150 900 pA 0°C < TA < 70°C ● 1200 pA – 40°C < TA < 85°C ● 1400 pA Input Noise Voltage 0.1Hz to 10Hz 0.4 µVP-P en Input Noise Voltage Density f = 1kHz 9.5 nV/√Hz in Input Noise Current Density f = 1kHz 0.05 pA/√Hz VCM Input Voltage Range VEE + 1.0 VCC – 1.0 V ● VEE + 1.2 VCC – 1.2 V CMRR Common Mode Rejection Ratio –13.5V < VCM < 13.5V ● 114 130 dB 4
