LT1881/LT1882 ELECTRICAL CHARACTERISTICSThe l denotes the specifi cations which apply over the full operatingtemperature range, otherwise specifi cations are at TA = 25°C. Split supply operation VS = ±15V, VCM = 0V unless otherwise noted.(Note 5)C/I GradesH/MP GradesSYMBOLPARAMETERCONDITIONSMINTYPMAXMINTYPMAXUNITS FPBW Full-Power Bandwidth VOUT = 28VP-P 1.47 2.25 1.47 2.25 kHz (Note 10) l 1.13 0.79 kHz ΔVOS Offset Voltage Match (Note 7) 35 70 μV (LT1881A) 0°C < TA < 70°C l 125 μV – 40°C < TA < 85°C l 160 μV Offset Voltage Match (Note 7) 42 125 42 125 μV (LT1881/LT1882) 0°C < TA < 70°C l 175 μV – 40°C < TA < 85°C l 235 μV – 40°C < TA < 125°C l 435 μV – 55°C < TA < 125°C l 435 μV Offset Voltage Match Drift (Notes 6, 7) l 0.4 1.1 0.4 1.1 μV/°C ΔIB+ Noninverting Bias Current Match (Note 7) 200 300 pA (LT1881A) 0°C < TA < 70°C l 400 pA – 40°C < TA < 85°C l 500 pA ΔIB+ Noninverting Bias Current Match (Note 7) 250 700 250 700 pA (LT1881/LT1882) 0°C < TA < 70°C l 900 pA – 40°C < TA < 85°C l 1000 pA – 40°C < TA < 125°C l 2000 pA – 55°C < TA < 125°C l 2000 pA ΔCMRR Common Mode Rejection Match (Notes 7, 9) l 110 125 106 125 dB Δ+PSRR Positive Power Supply V– = – 15V, VCM = 0V, l 108 130 108 130 dB Rejection Ratio Match 1.5V < V+ < 18V, (Notes 7, 9) Δ–PSRR Negative Power Supply V+ = 15V, VCM = 0V, l 104 130 104 130 dB Rejection Ratio Match – 1.5V < V– < – 18V, (Notes 7, 9) Note 1: Stresses beyond those listed under Absolute Maximum Ratings Note 6: This parameter is not 100% tested. may cause permanent damage to the device. Exposure to any Absolute Note 7: Matching parameters are the difference between amplifi ers Maximum Rating condition for extended periods may affect device A and B in the LT1881; and between amplifi ers A and D and B and C in the reliability and lifetime. LT1882. Note 2: The inputs are protected by internal resistors and back-to-back Note 8: This parameter is the difference between the two noninverting diodes. If the differential input voltage exceeds ±0.7V, the input current input bias currents. should be limited externally to less than 10mA. Note 9: ΔCMRR and ΔPSRR are defi ned as follows: CMRR and PSRR are Note 3: A heat sink may be required to keep the junction temperature measured in μV/V on each amplifi er. The difference is calculated in μV/V below absolute maximum. and then converted to dB. Note 4: The LT1881C/LT1882C and LT1881I/LT1882I are guaranteed Note 10: Full power bandwidth is calculated from the slew rate: FPBW = functional over the operating temperature range of – 40°C to 85°C. SR/2πVP. The LT1882H is guaranteed functional over the operating temperature range –40°C to 125°C. The LT1882MP is guaranteed functional over the operating temperature range –55°C to 125°C. Note 5: The LT1881C/LT1882C are guaranteed to meet specifi ed performance from 0°C to 70°C. The LT1881C/LT1882C are designed, characterized and expected to meet specifi ed performance from – 40°C to 85°C but are not tested or QA sampled at these temperatures. The LT1881I/LT1882I are guaranteed to meet specifi ed performance from – 40°C to 85°C. The LT1882H is guaranteed to meet specifi ed performance from –40°C to 125°C. The LT1882MP is guaranteed to meet specifi ed performance from –55°C to 125°C. 18812fb 7