Datasheet LTC2302, LTC2306 (Analog Devices) - 3

LTC2302/LTC2306
conVerTer anD MulTiplexer cHaracTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 4, 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) l 12 Bits Integral Linearity Error (Note 6) l ±0.3 ±1 LSB Differential Linearity Error l ±0.25 ±1 LSB Bipolar Zero Error (Note 7) l ±1 ±6 LSB Bipolar Zero Error Drift 0.002 LSB/°C Unipolar Zero Error (Note 7) l ±1 ±6 LSB Unipolar Zero Error Drift 0.002 LSB/°C Unipolar Zero Error Match (LTC2306) ±0.3 ±3 LSB Bipolar Full‑Scale Error (Note 8) l ±1.5 ±8 LSB Bipolar Full‑Scale Error Drift 0.05 LSB/°C Unipolar Full‑Scale Error (Note 8) l ±1.2 ±6 LSB Unipolar Full‑Scale Error Drift 0.05 LSB/°C Unipolar Full‑Scale Error Match (LTC2306) ±0.3 ±3 LSB
analog inpuT The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V + IN Absolute Input Range (CH0, CH1, IN+) (Note 9) l –0.05 VREF V V – IN Absolute Input Range (CH0, CH1, IN–) Unipolar (Note 9) l –0.05 0.25 • VREF V Bipolar (Note 9) l –0.05 0.75 • VREF V V + – + – IN – VIN Input Differential Voltage Range VIN = VIN – VIN (Unipolar) l 0 to VREF V V + – IN = VIN – VIN (Bipolar) l ±VREF/2 V IIN Analog Input Leakage Current l ±1 µA CIN Analog Input Capacitance Sample Mode 55 pF Hold Mode 5 pF CMRR Input Common Mode Rejection Ratio 70 dB
reFerence inpuT The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF Input Range l 0.1 VDD V IREF Reference Input Current fSMPL = 0ksps, VREF = 4.096V l 50 80 µA fSMPL = 500ksps, VREF = 4.096V l 230 260 µA CREF Reference Input Capacitance 55 pF 23026fb For more information www.linear.com/LTC2302 3 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Related Parts