Datasheet LTC1594, LTC1598 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | 8-Channel, Micropower Sampling 12-Bit Serial I/O A/D Converter |
| Seiten / Seite | 24 / 3 — CONVERTER AND MULTIPLEXER CHARACTERISTICS The. denotes the specifications … |
| Dateiformat / Größe | PDF / 246 Kb |
| Dokumentensprache | Englisch |
CONVERTER AND MULTIPLEXER CHARACTERISTICS The. denotes the specifications which
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Textversion des Dokuments
LTC1594/LTC1598
U U W CONVERTER AND MULTIPLEXER CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 5) LTC1594CS/LTC1598CG LTC1594IS/LTC1598IG PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Resolution (No Missing Codes) ● 12 12 Bits Integral Linearity Error (Note 6) ● ±3 ±3 LSB Differential Linearity Error ● ± 3/4 ±1 LSB Offset Error ● ±3 ±3 LSB Gain Error ● ±8 ±8 LSB REF Input Range (Notes 7, 8) 1.5V to VCC + 0.05V V Analog Input Range (Notes 7, 8) – 0.05V to VCC + 0.05V V MUX Channel Input Leakage Current Off Channel ● ±200 ±200 nA MUXOUT Leakage Current Off Channel ● ±200 ±200 nA ADCIN Input Leakage Current (Note 9) ● ±1 ±1 μA
U W DYNAMIC ACCURACY (Note 5) fSMPL = 16.8kHz SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N + D) Signal-to-Noise Plus Distortion Ratio 1kHz Input Signal 71 dB THD Total Harmonic Distortion (Up to 5th Harmonic) 1kHz Input Signal – 78 dB SFDR Spurious-Free Dynamic Range 1kHz Input Signal 80 dB Peak Harmonic or Spurious Noise 1kHz Input Signal – 80 dB
U DIGITAL AND DC ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VCC = 5.25V ● 2.6 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 = –360A ● 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 = VIH 5000 MΩ CS = VIL 55 kΩ IREF Reference Current CS = VCC ● 0.001 2.5 μA tCYC ≥ 760μs, fCLK ≤ 25kHz 90 μA tCYC ≥ 60μs, fCLK ≤ 320kHz ● 90 140 μA ICC Supply Current CS = VCC, CLK = VCC, DIN = VCC ● 0.001 ±7 μA tCYC ≥ 760μs, fCLK ≤ 25kHz 320 μA tCYC ≥ 60μs, fCLK ≤ 320kHz ● 320 690 μA 15948fb 3
U U W CONVERTER AND MULTIPLEXER CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 5) LTC1594CS/LTC1598CG LTC1594IS/LTC1598IG PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Resolution (No Missing Codes) ● 12 12 Bits Integral Linearity Error (Note 6) ● ±3 ±3 LSB Differential Linearity Error ● ± 3/4 ±1 LSB Offset Error ● ±3 ±3 LSB Gain Error ● ±8 ±8 LSB REF Input Range (Notes 7, 8) 1.5V to VCC + 0.05V V Analog Input Range (Notes 7, 8) – 0.05V to VCC + 0.05V V MUX Channel Input Leakage Current Off Channel ● ±200 ±200 nA MUXOUT Leakage Current Off Channel ● ±200 ±200 nA ADCIN Input Leakage Current (Note 9) ● ±1 ±1 μA
U W DYNAMIC ACCURACY (Note 5) fSMPL = 16.8kHz SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N + D) Signal-to-Noise Plus Distortion Ratio 1kHz Input Signal 71 dB THD Total Harmonic Distortion (Up to 5th Harmonic) 1kHz Input Signal – 78 dB SFDR Spurious-Free Dynamic Range 1kHz Input Signal 80 dB Peak Harmonic or Spurious Noise 1kHz Input Signal – 80 dB
U DIGITAL AND DC ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VCC = 5.25V ● 2.6 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 = –360A ● 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 = VIH 5000 MΩ CS = VIL 55 kΩ IREF Reference Current CS = VCC ● 0.001 2.5 μA tCYC ≥ 760μs, fCLK ≤ 25kHz 90 μA tCYC ≥ 60μs, fCLK ≤ 320kHz ● 90 140 μA ICC Supply Current CS = VCC, CLK = VCC, DIN = VCC ● 0.001 ±7 μA tCYC ≥ 760μs, fCLK ≤ 25kHz 320 μA tCYC ≥ 60μs, fCLK ≤ 320kHz ● 320 690 μA 15948fb 3