Datasheet LTC1286, LTC1298 (Analog Devices) - 3

HerstellerAnalog Devices
BeschreibungMicropower Sampling 12-Bit A/D Converters In S0-8 Packages
Seiten / Seite24 / 3 — CONVERTER AND MULTIPLEXER CHARACTERISTICS (Note 5). LTC1286. LTC1298. …
Dateiformat / GrößePDF / 299 Kb
DokumentenspracheEnglisch

CONVERTER AND MULTIPLEXER CHARACTERISTICS (Note 5). LTC1286. LTC1298. PARAMETER. CONDITIONS. MIN. TYP. MAX. UNITS

CONVERTER AND MULTIPLEXER CHARACTERISTICS (Note 5) LTC1286 LTC1298 PARAMETER CONDITIONS MIN TYP MAX UNITS

Modelllinie für dieses Datenblatt

Textversion des Dokuments

LTC1286/LTC1298
U U W CONVERTER AND MULTIPLEXER CHARACTERISTICS (Note 5) LTC1286 LTC1298 PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Resolution (No Missing Codes) ● 12 12 Bits Integral Linearity Error (Note 6) ● ±3/4 ±2 ±3/4 ±2 LSB Differential Linearity Error ● ±1/4 ±3/4 ±1/4 ±3/4 LSB Offset Error ● 3/4 ±3 3/4 ±3 LSB Gain Error ● ±2 ±8 ±2 ±8 LSB Analog Input Range (Note 7 and 8) ● –0.05V to VCC + 0.05V V REF Input Range (LTC1286) 4.5 ≤ V 1.5V to V CC ≤ 5.5V CC + 0.05V V (Notes 7, 8, and 9) 5.5V < V 1.5V to 5.55V CC ≤ 9V V Analog Input Leakage Current (Note 10) ● ±1 ±1 µA
U DIGITAL AND DC ELECTRICAL CHARACTERISTICS (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VCC = 5.25V ● 2 V VIL Low Level Input Voltage VCC = 4.75V ● 0.8 V IIH High Level Input Current VIN = VCC ● 2.5 µA IIL Low Level Input Current VIN = 0V ● – 2.5 µA VOH High Level Output Voltage VCC = 4.75V, IO = 10µA ● 4.0 4.64 V VCC = 4.75V, IO = 360µA ● 2.4 4.62 V VOL Low Level Output Voltage VCC = 4.75V, IO = 1.6mA ● 0.4 V IOZ Hi-Z Output Leakage CS = High ● ±3 µA ISOURCE Output Source Current VOUT = 0V – 25 mA ISINK Output Sink Current VOUT = VCC 45 mA RREF Reference Input Resistance CS = VCC 5000 MΩ (LTC1286) CS = GND 55 kΩ IREF Reference Current (LTC1286) CS = VCC ● 0.001 2.5 µA tCYC ≥ 640µs, fCLK ≤ 25kHz ● 90 140 µA tCYC = 80µs, fCLK = 200kHz ● 90 140 µA ICC Supply Current CS = VCC ● 0.001 ±3.0 µA LTC1286, tCYC ≥ 640µs, fCLK ≤ 25kHz ● 220 460 µA LTC1286, tCYC = 80µs, fCLK = 200kHz ● 260 500 µA LTC1298, tCYC ≥ 720µs, fCLK ≤ 25kHz ● 320 600 µA LTC1298, tCYC = 90µs, fCLK = 200kHz ● 360 640 µA
U W DYNAMIC ACCURACY fSMPL = 12.5kHz (LTC1286), fSMPL = 11.1kHz (LTC1298) (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N +D) Signal-to-Noise Plus Distortion Ratio 1kHz/7kHz Input Signal 71/68 dB THD Total Harmonic Distortion (Up to 5th Harmonic) 1kHz/7kHz Input Signal – 84/–80 dB SFDR Spurious-Free Dynamic Range 1kHz/7kHz Input Signal 90/86 dB Peak Harmonic or Spurious Noise 1kHz/7kHz Input Signal – 90/–86 dB 3