Datasheet LTC1860L, LTC1861L (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | µPower, 3V, 12-Bit, 150ksps 1- and 2-Channel ADCs in MSOP |
| Seiten / Seite | 12 / 3 — DY A IC ACCURACY. TA = 25. C. VCC = 3V, VREF = 3V, fSAMPLE = 150kHz, … |
| Dateiformat / Größe | PDF / 240 Kb |
| Dokumentensprache | Englisch |
DY A IC ACCURACY. TA = 25. C. VCC = 3V, VREF = 3V, fSAMPLE = 150kHz, unless otherwise specified. SYMBOL. PARAMETER. CONDITIONS
Modelllinie für dieses Datenblatt
Textversion des Dokuments
LTC1860L/LTC1861L
U W DY A IC ACCURACY TA = 25
°
C. VCC = 3V, VREF = 3V, fSAMPLE = 150kHz, 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 1kHz Input Signal 72 dB THD Total Hamonic Distortion Up to 5th Harmonic 1kHz Input Signal 86 dB Full Power Bandwidth 10 MHz Full Linear Bandwidth S/(N + D) ≥ 68dB 30 kHz
U DIGITAL A D DC ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. VCC = 2.7V, VREF = 2.5V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VCC = 3.3V ● 1.9 V VIL Low Level Input Voltage VCC = 2.7V ● 0.45 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 = 2.7V, IO = 10µA ● 2.3 2.6 V VCC = 2.7V, IO = 360µA ● 2.1 2.45 V VOL Low Level Output Voltage VCC = 2.7V, IO = 400µA ● 0.3 V IOZ Hi-Z Output Leakage CONV = VCC ● ±3 µA ISOURCE Output Source Current VOUT = 0V – 6.5 mA ISINK Output Sink Current VOUT = VCC 6.5 mA IREF Reference Current (LTC1860L SO-8, MSOP CONV = VCC ● 0.001 3 µA and LTC1861L MSOP) fSMPL = fSMPL(MAX) ● 0.01 0.1 mA ICC Supply Current CONV = VCC After Conversion ● 0.5 10 µA fSMPL = fSMPL(MAX) ● 0.45 1.0 mA PD Power Dissipation fSMPL = fSMPL(MAX) 1.22 mW
WW U U U U RECO E DED OPERATI G CO DITIO S The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VCC Supply Voltage 2.7 3.6 V fSCK Clock Frequency ● DC 8 MHz tCYC Total Cycle Time 12 • SCK + tCONV µs tSMPL Analog Input Sampling Time (Note 5) LTC1860L 12 SCK LTC1861L 10 SCK tsuCONV Setup Time CONV↓ Before First SCK↑, 60 ns (See Figure 1) thDI Holdtime SDI After SCK↑ LTC1861L 30 ns tsuDI Setup Time SDI Stable Before SCK↑ LTC1861L 30 ns tWHCLK SCK High Time fSCK = fSCK(MAX) 45% 1/fSCK tWLCLK SCK Low Time fSCK = fSCK(MAX) 45% 1/fSCK tWHCONV CONV High Time Between Data tCONV µs Transfer Cycles tWLCONV CONV Low Time During Data Transfer 12 SCK thCONV Hold Time CONV Low After Last SCK↑ 26 ns 18601Lf 3
U W DY A IC ACCURACY TA = 25
°
C. VCC = 3V, VREF = 3V, fSAMPLE = 150kHz, 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 1kHz Input Signal 72 dB THD Total Hamonic Distortion Up to 5th Harmonic 1kHz Input Signal 86 dB Full Power Bandwidth 10 MHz Full Linear Bandwidth S/(N + D) ≥ 68dB 30 kHz
U DIGITAL A D DC ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. VCC = 2.7V, VREF = 2.5V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VCC = 3.3V ● 1.9 V VIL Low Level Input Voltage VCC = 2.7V ● 0.45 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 = 2.7V, IO = 10µA ● 2.3 2.6 V VCC = 2.7V, IO = 360µA ● 2.1 2.45 V VOL Low Level Output Voltage VCC = 2.7V, IO = 400µA ● 0.3 V IOZ Hi-Z Output Leakage CONV = VCC ● ±3 µA ISOURCE Output Source Current VOUT = 0V – 6.5 mA ISINK Output Sink Current VOUT = VCC 6.5 mA IREF Reference Current (LTC1860L SO-8, MSOP CONV = VCC ● 0.001 3 µA and LTC1861L MSOP) fSMPL = fSMPL(MAX) ● 0.01 0.1 mA ICC Supply Current CONV = VCC After Conversion ● 0.5 10 µA fSMPL = fSMPL(MAX) ● 0.45 1.0 mA PD Power Dissipation fSMPL = fSMPL(MAX) 1.22 mW
WW U U U U RECO E DED OPERATI G CO DITIO S The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VCC Supply Voltage 2.7 3.6 V fSCK Clock Frequency ● DC 8 MHz tCYC Total Cycle Time 12 • SCK + tCONV µs tSMPL Analog Input Sampling Time (Note 5) LTC1860L 12 SCK LTC1861L 10 SCK tsuCONV Setup Time CONV↓ Before First SCK↑, 60 ns (See Figure 1) thDI Holdtime SDI After SCK↑ LTC1861L 30 ns tsuDI Setup Time SDI Stable Before SCK↑ LTC1861L 30 ns tWHCLK SCK High Time fSCK = fSCK(MAX) 45% 1/fSCK tWLCLK SCK Low Time fSCK = fSCK(MAX) 45% 1/fSCK tWHCONV CONV High Time Between Data tCONV µs Transfer Cycles tWLCONV CONV Low Time During Data Transfer 12 SCK thCONV Hold Time CONV Low After Last SCK↑ 26 ns 18601Lf 3