Datasheet LTC1400 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Complete SO-8, 12-Bit, 400ksps ADC with Shutdown |
| Pages / Page | 20 / 3 — C O VERTER CHARACTERISTICS The. denotes the specifications which apply … |
| File Format / Size | PDF / 588 Kb |
| Document Language | English |
C O VERTER CHARACTERISTICS The. denotes the specifications which apply over the full operating
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LTC1400
U C O VERTER CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C unless otherwise noted. With internal reference (Notes 5, 8) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) ● 12 Bits Integral Linearity Error (Note 9) ● ±1 LSB Differential Linearity Error ● ±1 LSB Offset Error (Note 10) ±6 LSB ● ±8 LSB Full-Scale Error ±15 LSB Full-Scale Tempco IOUT(REF) = 0 ● ±10 ±45 ppm/°C
U W D Y A IC ACCURACY The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, VSS = –5V, fSAMPLE = 400kHz unless otherwise noted. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N + D) Signal-to-Noise 100kHz Input Signal Commercial ● 70 72 dB Plus Distortion Ratio Industrial ● 69 dB 200kHz Input Signal 72 dB THD Total Harmonic Distortion 100kHz Input Signal ● –82 –76 dB Up to 5th Harmonic 200kHz Input Signal –80 dB Peak Harmonic or 100kHz Input Signal ● –84 –76 dB Spurious Noise 200kHz Input Signal –82 dB IMD Intermodulation Distortion fIN1 = 99.51kHz, fIN2 = 102.44kHz –82 dB fIN1 = 199.12kHz, fIN2 = 202.05kHz –70 dB Full Power Bandwidth 4 MHz
U U U
Full Linear Bandwidth (S/(N + D) ≥ 68dB) 900 kHz
I TER AL REFERE CE CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C unless otherwise noted. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF Output Voltage IOUT = 0 2.400 2.420 2.440 V VREF Output Tempco IOUT = 0 ● ±10 ±45 ppm/°C VREF Load Regulation 4.75V ≤ VCC ≤ 5.25V 0.01 LSB/V –5.25V ≤ VSS ≤ 0V 0.01 LSB/V VREF Load Regulation 0 ≤ |IOUT| ≤ 1mA 2 LSB/mA VREF Wake-Up Time from Sleep Mode (Note 7) CVREF = 10μF 4 ms
U U D IGITAL I PUTS A D DIGITAL OUTPUTS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C unless otherwise noted. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VCC = 5.25V ● 2.0 V VIL Low Level Input Voltage VCC = 4.75V ● 0.8 V IIN Digital Input Current VIN = 0V to VCC ● ±10 μA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage VCC = 4.75V, IO = –10μA 4.7 V VCC = 4.75V, IO = –200μA ● 4.0 V 1400fa 3
U C O VERTER CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C unless otherwise noted. With internal reference (Notes 5, 8) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) ● 12 Bits Integral Linearity Error (Note 9) ● ±1 LSB Differential Linearity Error ● ±1 LSB Offset Error (Note 10) ±6 LSB ● ±8 LSB Full-Scale Error ±15 LSB Full-Scale Tempco IOUT(REF) = 0 ● ±10 ±45 ppm/°C
U W D Y A IC ACCURACY The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, VSS = –5V, fSAMPLE = 400kHz unless otherwise noted. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N + D) Signal-to-Noise 100kHz Input Signal Commercial ● 70 72 dB Plus Distortion Ratio Industrial ● 69 dB 200kHz Input Signal 72 dB THD Total Harmonic Distortion 100kHz Input Signal ● –82 –76 dB Up to 5th Harmonic 200kHz Input Signal –80 dB Peak Harmonic or 100kHz Input Signal ● –84 –76 dB Spurious Noise 200kHz Input Signal –82 dB IMD Intermodulation Distortion fIN1 = 99.51kHz, fIN2 = 102.44kHz –82 dB fIN1 = 199.12kHz, fIN2 = 202.05kHz –70 dB Full Power Bandwidth 4 MHz
U U U
Full Linear Bandwidth (S/(N + D) ≥ 68dB) 900 kHz
I TER AL REFERE CE CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C unless otherwise noted. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF Output Voltage IOUT = 0 2.400 2.420 2.440 V VREF Output Tempco IOUT = 0 ● ±10 ±45 ppm/°C VREF Load Regulation 4.75V ≤ VCC ≤ 5.25V 0.01 LSB/V –5.25V ≤ VSS ≤ 0V 0.01 LSB/V VREF Load Regulation 0 ≤ |IOUT| ≤ 1mA 2 LSB/mA VREF Wake-Up Time from Sleep Mode (Note 7) CVREF = 10μF 4 ms
U U D IGITAL I PUTS A D DIGITAL OUTPUTS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C unless otherwise noted. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VCC = 5.25V ● 2.0 V VIL Low Level Input Voltage VCC = 4.75V ● 0.8 V IIN Digital Input Current VIN = 0V to VCC ● ±10 μA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage VCC = 4.75V, IO = –10μA 4.7 V VCC = 4.75V, IO = –200μA ● 4.0 V 1400fa 3
