Datasheet LTC2391-16 (Analog Devices) - 3

HerstellerAnalog Devices
Beschreibung16-Bit, 250ksps SAR ADC with 94dB SNR
Seiten / Seite24 / 3 — ANALOG INPUT. The. denotes the specifi cations which apply over the full …
Dateiformat / GrößePDF / 229 Kb
DokumentenspracheEnglisch

ANALOG INPUT. The. denotes the specifi cations which apply over the full operating temperature range, otherwise

ANALOG INPUT The denotes the specifi cations which apply over the full operating temperature range, otherwise

Modelllinie für dieses Datenblatt

Textversion des Dokuments

LTC2391-16
ANALOG INPUT The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V + IN Absolute Input Range (IN+) (Note 5) l –0.05 AVP V V – IN Absolute Input Range (IN–) (Note 5) l –0.05 AVP V V + – + – IN – VIN Input Differential Voltage Range VIN = VIN – VIN l –VREF VREF V VCM Common Mode Input Range l VREF/2 – 0.05 VREF/2 VREF/2 + 0.05 V IIN Analog Input Leakage Current l ±1 μA CIN Analog Input Capacitance Sample Mode 45 pF Hold Mode 5 pF CMRR Input Common Mode Rejection Ratio 70 dB
CONVERTER CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution l 16 Bits No Missing Codes l 16 Bits Transition Noise 0.3 LSBRMS INL Integral Linearity Error (Note 6) l –2 ±1 2 LSB DNL Differential Linearity Error l –1 1 LSB BZE Bipolar Zero Error (Note 7) l –7 7 LSB Bipolar Zero Error Drift 1 ppm/°C FSE Bipolar Full-Scale Error External Reference l 0.14 % Internal Reference (Note 7) 0.1 % Bipolar Full-Scale Error Drift ±10 ppm/°C
DYNAMIC ACCURACY The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. AIN = –1dBFS (Notes 4, 8) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SINAD Signal-to-(Noise + Distortion) Ratio fIN = 20kHz l 90.5 93.5 dB SNR Signal-to-Noise Ratio fIN = 20kHz l 91 94 dB THD Total Harmonic Distortion fIN = 20kHz, First 5 Harmonics l –103 –94 dB SFDR Spurious-Free Dynamic Range fIN = 20kHz 104 dB –3dB Input Bandwidth 50 MHz Aperture Delay 0.5 ns Aperture Jitter 7 psRMS Transient Response Full-Scale Step 60 ns 239116fa 3