Datasheet LTC1860, LTC1861 (Analog Devices) - 4

LTC1860/LTC1861
conVerTer anD MulTiplexer cHaracTerisTics The
l
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. VCC = 5V, VREF = 5V, fSCK = fSCK(MAX) as defined in Recommended Operating Conditions, unless otherwise noted. SYMBOL CONDITIONS MIN TYP MAX UNITS
Resolution l 12 Bits No Missing Codes Resolution l 12 Bits INL (Note 3) l ±1 LSB Transition Noise 0.07 LSBRMS Gain Error l ±20 mV Offset Error LTC1860 SO-8 and MSOP, LTC1861 MSOP l ±2 ±5 mV LTC1861 SO-8 l ±3 ±7 mV Input Differential Voltage Range VIN = IN+ – IN– l 0 VREF V Absolute Input Range IN+ Input –0.05 VCC + 0.05 V IN– Input –0.05 VCC/2 V VREF Input Range LTC1860 SO-8 and MSOP, LTC1861 MSOP 1 VCC V Analog Input Leakage Current (Note 4) l ±1 µA CIN Input Capacitance In Sample Mode 12 pF During Conversion 5 pF
DynaMic accuracy TA = 25°C. VCC = 5V, fSAMPLE = 250kHz, unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 72 dB S/(N + D) Signal-to-Noise Plus Distortion Ratio 100kHz Input Signal 71 dB THD Total Hamonic Distortion Up to 5th Harmonic 100kHz Input Signal 77 dB Full Power Bandwidth 20 MHz Full Linear Bandwidth S/(N + D) ≥ 68dB 125 kHz
DigiTal anD Dc elecTrical cHaracTerisTics The
l
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. VCC = 5V, VREF = 5V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VCC = 5.25V l 2.4 V VIL Low Level Input Voltage VCC = 4.75V l 0.8 V IIH High Level Input Current VIN = VCC l 2.5 µA IIL Low Level Input Current VIN = 0V l –2.5 µA VOH High Level Output Voltage VCC = 4.75V, IO = 10µA l 4.5 4.74 V VCC = 4.75V, IO = 360µA l 2.4 4.72 V VOL Low Level Output Voltage VCC = 4.75V, IO = 1.6mA l 0.4 V 18601fb 4 For more information www.linear.com/LTC1860 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Typical Application Related Parts