Datasheet MIC7122 (Microchip) - 4

MIC7122 Micrel
DC Electrical Characteristics (15V)
V = +15V, V = 0V, V = 1.5V, 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
Symbol Parameter Condition Min Typ Max Units
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
64 500
pA I Input Offset Current 0.5 5 pA OS
32 250
pA R Input Resistance >1 TΩ IN CMRR Common-Mode Rejection Ratio -0.3V ≤ V ≤ 15.3V,
Note 9
60 85 dB CM ±PSRR Power Supply Rejection Ratio V = V  = 2.5V to 7.5V, V = V = 0 55 100 dB V+ V– OUT CM A Large Signal Voltage Gain sourcing or sinking, 340 V/mV V R = 2k,
Note 10
L sourcing or sinking, 300 V/mV R = 600Ω,
Note 10
L C Common-Mode Input Capacitance 3 pF IN V Output Swing output high, R = 100k 0.8 2 mV OUT L specified as V – V
3
mV V+ OUT output low, R = 100k 0.8 2 mV L
3
mV output high, R = 2k 40 80 mV L specified as V – V
120
mV V+ OUT output low, R = 2k 40 80 mV L
120
mV output high, R = 600Ω 130 270 mV L specified as V – V
400
mV V+ OUT output low, R = 600Ω 130 270 mV L
400
mV I Output Short Circuit Current sinking or sourcing,
Notes 8
50 250 mA SC I Supply Current both amplifiers 0.9 2.0 mA S
AC Electrical Characteristics (15V)
V = 15V, V = 0V, V = 1.5V, 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
Symbol Parameter Condition Min Typ Max Units
THD Total Harmonic Distortion f = 1kHz, A = –2, 0.01 % V R = 2k, V = 8.5 V L OUT PP SR Slew Rate V+ = 15V,
Note 11
0.5 V/µs GBW Gain-Bandwidth Product 420 kHz φ Phase Margin C = 0pF 85 ° m L C = 500pF 40 ° L G Gain Margin 10 dB m e Input-Referred Voltage Noise f = 1kHz, V = 1V 37 n CM nV/ Hz i Input-Referred Current Noise f = 1kHz 1.5 n fA/ Hz Interamplifier Isolation
Note 12
90 dB MIC7122 4 June 2005