Datasheet LTC1407, LTC1407A (Analog Devices) - 3

ManufacturerAnalog Devices
DescriptionSerial 12-Bit/14-Bit, 3Msps Simultaneous Sampling ADCs with Shutdown
Pages / Page24 / 3 — The. ANALOG INPUT. denotes the specifi cations which apply over the full …
File Format / SizePDF / 408 Kb
Document LanguageEnglish

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

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

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LTC1407/LTC1407A
The ANALOG INPUT
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. With internal reference, VDD = 3V. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Analog Differential Input Range (Notes 3, 9) 2.7V ≤ VDD ≤ 3.3V 0 to 2.5 V VCM Analog Common Mode + Differential 0 to VDD V Input Range (Note 10) IIN Analog Input Leakage Current l 1 μA CIN Analog Input Capacitance 13 pF tACQ Sample-and-Hold Acquisition Time (Note 6) l 39 ns tAP Sample-and-Hold Aperture Delay Time 1 ns tJITTER Sample-and-Hold Aperture Delay Time Jitter 0.3 ps tSK Sample-and-Hold Aperture Skew from CH0 to CH1 200 ps CMRR Analog Input Common Mode Rejection Ratio fIN = 1MHz, VIN = 0V to 3V –60 dB fIN = 100MHz, VIN = 0V to 3V –15 dB
DYNAMIC ACCURACY The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. With internal reference, VDD = 3V. LTC1407/LTC1407H LTC1407A/LTC1407AH SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
SINAD Signal-to-Noise Plus 100kHz Input Signal 70.5 73.5 dB Distortion Ratio 750kHz Input Signal l 68 70.5 70 73.5 dB 750kHz Input Signal (H Grade) l 67 70.5 69 73.5 dB 100kHz Input Signal, External VREF = 3.3V, VDD ≥ 3.3V 72.0 76.3 dB 750kHz Input Signal, External VREF = 3.3V, VDD ≥ 3.3V 72.0 76.3 dB THD Total Harmonic 100kHz First 5 Harmonics –87 –90 dB Distortion 750kHz First 5 Harmonics l –83 –77 –86 –80 dB 750kHz First 5 Harmonics (H Grade) l –82 –76 –85 –79 dB SFDR Spurious Free 100kHz Input Signal 87 90 dB Dynamic Range 750kHz Input Signal 83 86 dB IMD Intermodulation 1.25V to 2.5V 1.40MHz into CH0+, 0V to 1.25V, –82 –82 dB Distortion 1.56MHz into CH0–. Also Applicable to CH1+ and CH1– Code-to-Code VREF = 2.5V (Note 17) 0.25 1 LSBRMS Transition Noise Full Power Bandwidth VIN = 2.5VP-P, SDO = 11585LSBP-P (–3dBFS) (Note 15) 50 50 MHz Full Linear Bandwidth S/(N + D) ≥ 68dB 5 5 MHz
INTERNAL REFERENCE CHARACTERISTICS TA = 25°C. VDD = 3V. PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF Output Voltage IOUT = 0 2.5 V VREF Output Tempco 15 ppm/°C VREF Line Regulation VDD = 2.7V to 3.6V, VREF = 2.5V 600 μV/V VREF Output Resistance Load Current = 0.5mA 0.2 Ω VREF Setting Time 2 ms 1407fb 3