Datasheet LTC1405 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | 12-Bit, 5Msps, Sampling ADC |
| Pages / Page | 20 / 3 — A ALOG I PUT The. denotes the specifications which apply over the full … |
| File Format / Size | PDF / 337 Kb |
| Document Language | English |
A ALOG I PUT The. denotes the specifications which apply over the full operating temperature range, otherwise
Model Line for this Datasheet
Text Version of Document
LTC1405
U U A ALOG I PUT The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
tAP Sample-and-Hold Aperture Delay Time – 250 ps tjitter Sample-and-Hold Aperture Delay Time Jitter 0.6 ps CMRR Analog Input Common Mode Rejection Ratio –2.048V < (–AIN = +AIN) < 2.048V 75 dB
U W DY A IC The ACCURACY
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VDD = 5V, VSS = –5V, fSAMPLE = 5MHz, VREF = 4.096V. + AIN = – 0.1dBFS single ended input, – AIN = 0V. (Note 6) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N + D) Signal-to-Noise Plus Distortion Ratio 1MHz Input Signal ● 69.0 71.6 dB 2.5MHz Input Signal ● 68.7 71.3 dB THD Total Harmonic Distortion 1MHz Input Signal, First 5 Harmonics ● – 87 – 78.5 dB 2.5MHz Input Signal, First 5 Harmonics ● – 83 – 77.0 dB SFDR Peak Harmonic or Spurious Noise 1MHz Input Signal ● – 89 – 79.5 dB 2.5MHz Input Signal ● – 85 – 78.0 dB IMD Intermodulation Distortion fIN1 = 29.37kHz, fIN2 = 32.446kHz – 80 dB Full-Power Bandwidth 100 MHz Input Referred Noise ±2.048V Input Range 0.22 LSBRMS ±1.024V Input Range, 2x Mode (SENSE = GAIN = 0V) 0.33 LSBRMS
U U U I TER AL REFERE CE CHARACTERISTICS TA = 25
°
C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 2.475 2.500 2.525 V VCM Output Tempco IOUT = 0 ±15 ppm/°C VCM Line Regulation 4.75V ≤ VDD ≤ 5.25V 0.6 mV/V – 5.25V ≤ VSS ≤ –4.75V 0.03 mV/V VCM Output Resistance 0.1mA ≤ ⏐IOUT⏐ ≤ 0.1mA 8 Ω VREF Output Voltage SENSE = GND, IOUT = 0 4.096 V SENSE = VREF, IOUT = 0 2.048 V SENSE = VDD Drive VREF with V External Reference VREF Output Tempco ±15 ppm/°C
U U DIGITAL I PUTS AND OUTPUTS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage (Clock Pin) VDD = 5.25V, VSS = 0V ● 2.4 V VDD = 5.25V, VSS = – 5V ● 3.5 V VIL Low Level Input Voltage (Clock Pin) VDD = 4.75V, VSS = 0V ● 0.8 V VDD = 4.75V, VSS = – 5V ● 1 V 1405fa 3
U U A ALOG I PUT The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
tAP Sample-and-Hold Aperture Delay Time – 250 ps tjitter Sample-and-Hold Aperture Delay Time Jitter 0.6 ps CMRR Analog Input Common Mode Rejection Ratio –2.048V < (–AIN = +AIN) < 2.048V 75 dB
U W DY A IC The ACCURACY
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VDD = 5V, VSS = –5V, fSAMPLE = 5MHz, VREF = 4.096V. + AIN = – 0.1dBFS single ended input, – AIN = 0V. (Note 6) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N + D) Signal-to-Noise Plus Distortion Ratio 1MHz Input Signal ● 69.0 71.6 dB 2.5MHz Input Signal ● 68.7 71.3 dB THD Total Harmonic Distortion 1MHz Input Signal, First 5 Harmonics ● – 87 – 78.5 dB 2.5MHz Input Signal, First 5 Harmonics ● – 83 – 77.0 dB SFDR Peak Harmonic or Spurious Noise 1MHz Input Signal ● – 89 – 79.5 dB 2.5MHz Input Signal ● – 85 – 78.0 dB IMD Intermodulation Distortion fIN1 = 29.37kHz, fIN2 = 32.446kHz – 80 dB Full-Power Bandwidth 100 MHz Input Referred Noise ±2.048V Input Range 0.22 LSBRMS ±1.024V Input Range, 2x Mode (SENSE = GAIN = 0V) 0.33 LSBRMS
U U U I TER AL REFERE CE CHARACTERISTICS TA = 25
°
C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 2.475 2.500 2.525 V VCM Output Tempco IOUT = 0 ±15 ppm/°C VCM Line Regulation 4.75V ≤ VDD ≤ 5.25V 0.6 mV/V – 5.25V ≤ VSS ≤ –4.75V 0.03 mV/V VCM Output Resistance 0.1mA ≤ ⏐IOUT⏐ ≤ 0.1mA 8 Ω VREF Output Voltage SENSE = GND, IOUT = 0 4.096 V SENSE = VREF, IOUT = 0 2.048 V SENSE = VDD Drive VREF with V External Reference VREF Output Tempco ±15 ppm/°C
U U DIGITAL I PUTS AND OUTPUTS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage (Clock Pin) VDD = 5.25V, VSS = 0V ● 2.4 V VDD = 5.25V, VSS = – 5V ● 3.5 V VIL Low Level Input Voltage (Clock Pin) VDD = 4.75V, VSS = 0V ● 0.8 V VDD = 4.75V, VSS = – 5V ● 1 V 1405fa 3
