MIC7122 Micrel Absolute Maximum Ratings (Note 1)Operating Ratings (Note 2) Supply Voltage (V – V ) .. 16.5V Supply Voltage (V – V ) .. 2.2V to 15V V+ V– V+ V– Differential Input Voltage (V – V ) ... ±10V Junction Temperature (T ) ... –40°C to +85°C IN+ IN– J I/O Pin Voltage (V , V ), Note 3 Max. Power Dissipation .. Note 4 IN OUT ... V + 0.3V to V – 0.3V V+ V– Package Thermal Resistance, Note 5 Junction Temperature (T ) .. +150°C MSOP-8 (θ ) .. 200°C/W J JA Storage Temperature ... –65°C to +150°C Lead Temperature (soldering, 10 sec.) ... 260°C ESD, Note 6 .. 1000V DC Electrical Characteristics (2.2V) V = +2.2V, V = 0V, V = V = V /2; R = 1MΩ; T = 25°C, bold values indicate –40°C ≤ T ≤ +85°C; Note 7 ; unless noted V+ V– CM OUT V+ L J J SymbolParameterConditionMinTypMaxUnits V Input Offset Voltage 0.5 9 mV OS TCV Input Offset Voltage Average Drift 3.0 µV/°C OS I Input Bias Current 1.0 10 pA B 64500 pA I Input Offset Current 0.5 5 pA OS 32250 pA R Input Resistance >1 TΩ IN CMRR Common-Mode Rejection Ratio -0.3V ≤ V ≤ 2.5V, Note 9 45 65 dB CM ±PSRR Power Supply Rejection Ratio V = V = 1.1V to 2.5V, V = V = 0 60 85 dB V+ V– OUT CM C Common-Mode Input Capacitance 3 pF IN V Output Swing output high, R = 100k, 0.15 1 mV O L specified as V – V 1 mV V+ OUT output low, R = 100k 0.15 1 mV L 1 mV output high, R = 2k 8 33 mV L specified as V – V 50 mV V+ OUT output low, R = 2k 8 33 mV L 50 mV output high, R = 600Ω 26 110 mV L specified as V – V 165 mV V+ OUT output low, R = 600Ω 26 110 mV L 165 mV I Output Short Circuit Current sinking or sourcing, Note 8 20 50 mA SC I Supply Current both amplifiers 0.7 1.6 mA S AC Electrical Characteristics (2.2V) V = 2.2V, V = 0V, V = V = V /2; R = 1MΩ; T = 25°C, bold values indicate –40°C ≤ T ≤ +85°C; Note 7 ; unless noted V+ V– CM OUT V+ L J J SymbolParameterConditionMinTypMaxUnits SR Slew Rate 0.7 V/µs GBW Gain-Bandwidth Product 750 kHz φ Phase Margin C = 0pF 80 ° m L C = 200pF 40 ° L G Gain Margin 10 dB m Interamplifier Isolation Note 12 90 dB MIC7122 2 June 2005