Datasheet LTC2309 (Analog Devices) - 3
| Fabricante | Analog Devices |
| Descripción | 8-Channel, 12-Bit SAR ADC with I2C Interface |
| Páginas / Página | 26 / 3 — The. denotes the specifications |
| Formato / tamaño de archivo | PDF / 1.7 Mb |
| Idioma del documento | Inglés |
The. denotes the specifications
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Versión de texto del documento
LTC2309 C OnVeRteR AnD MuLtIpLexeR CHARACteRIstICs
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 4, 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) l 12 Bits Integral Linearity Error (Note 6) l ±0.45 ±1 LSB Differential Linearity Error l ±0.35 ±1 LSB Bipolar Zero Error (Note 7) l ±1 ±8 LSB Bipolar Zero Error Drift 0.002 LSB/°C Bipolar Zero Error Match ±0.1 ±3 LSB Unipolar Zero Error (Note 7) l ±0.4 ±6 LSB Unipolar Zero Error Drift 0.002 LSB/°C Unipolar Zero Error Match ±0.2 ±1 LSB Bipolar Full-Scale Error External Reference (Note 8) l ±0.5 ±10 LSB REFCOMP = 4.096V l ±0.4 ±9 LSB Bipolar Full-Scale Error Drift External Reference 0.05 LSB/°C Bipolar Full-Scale Error Match ±0.4 ±3 LSB Unipolar Full-Scale Error QFN External Reference (Note 8) l ±0.4 ±10 LSB TSSOP External Reference (Note 8) l ±0.5 ±12 LSB REFCOMP = 4.096V l ±0.3 ±6 LSB Unipolar Full-Scale Error Drift External Reference 0.05 LSB/°C Unipolar Full-Scale Error Match ±0.3 ±2 LSB A nALOG Input
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V + IN Absolute Input Range (CH0 to CH7) (Note 9) l –0.05 REFCOMP V V – IN Absolute Input Range (CH0 to CH7, COM) Unipolar (Note 9) l –0.05 0.25 • REFCOMP V Bipolar (Note 9) l –0.05 0.75 • REFCOMP V V + – + – IN – VIN Input Differential Voltage Range VIN = VIN – VIN (Unipolar) l 0 to REFCOMP V V + – IN = VIN – VIN (Bipolar) l ±REFCOMP/2 V IIN Analog Input Leakage Current l ±1 µA CIN Analog Input Capacitance Sample Mode 55 pF Hold Mode 5 pF CMRR Input Common Mode Rejection Ratio 70 dB D YnAMIC ACCuRACY
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Notes 4, 10) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SINAD Signal-to-(Noise + Distortion) Ratio fIN = 1kHz l 71 73.3 dB SNR Signal-to-Noise Ratio fIN = 1kHz l 71 73.4 dB THD Total Harmonic Distortion fIN = 1kHz, First 5 Harmonics l –88 –77 dB SFDR Spurious Free Dynamic Range fIN = 1kHz l 79 90 dB Channel-to-Channel Isolation fIN = 1kHz –109 dB Full Linear Bandwidth (Note 11) 700 kHz –3dB Input Linear Bandwidth 25 MHz Aperture Delay 13 ns Transient Response Full-Scale Step 240 ns 2309fd Document Outline Features Description Applications Absolute Maximum Ratings Pin Configuration Order Information CONVERTER AND MULTIPLEXER CHARACTERISTICS ANALOG INPUT DYNAMIC ACCURACY INTERNAL REFERENCE CHARACTERISTICS I2C Inputs and Digital Outputs POWER REQUIREMENTS I2C TIMING CHARACTERISTICS ADC TIMING CHARACTERISTICS Typical Performance Characteristics Pin Functions Functional Block Diagram TIMING DIAGRAM Applications Information Package Description Revision History Typical Application Related Parts
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 4, 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) l 12 Bits Integral Linearity Error (Note 6) l ±0.45 ±1 LSB Differential Linearity Error l ±0.35 ±1 LSB Bipolar Zero Error (Note 7) l ±1 ±8 LSB Bipolar Zero Error Drift 0.002 LSB/°C Bipolar Zero Error Match ±0.1 ±3 LSB Unipolar Zero Error (Note 7) l ±0.4 ±6 LSB Unipolar Zero Error Drift 0.002 LSB/°C Unipolar Zero Error Match ±0.2 ±1 LSB Bipolar Full-Scale Error External Reference (Note 8) l ±0.5 ±10 LSB REFCOMP = 4.096V l ±0.4 ±9 LSB Bipolar Full-Scale Error Drift External Reference 0.05 LSB/°C Bipolar Full-Scale Error Match ±0.4 ±3 LSB Unipolar Full-Scale Error QFN External Reference (Note 8) l ±0.4 ±10 LSB TSSOP External Reference (Note 8) l ±0.5 ±12 LSB REFCOMP = 4.096V l ±0.3 ±6 LSB Unipolar Full-Scale Error Drift External Reference 0.05 LSB/°C Unipolar Full-Scale Error Match ±0.3 ±2 LSB A nALOG Input
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V + IN Absolute Input Range (CH0 to CH7) (Note 9) l –0.05 REFCOMP V V – IN Absolute Input Range (CH0 to CH7, COM) Unipolar (Note 9) l –0.05 0.25 • REFCOMP V Bipolar (Note 9) l –0.05 0.75 • REFCOMP V V + – + – IN – VIN Input Differential Voltage Range VIN = VIN – VIN (Unipolar) l 0 to REFCOMP V V + – IN = VIN – VIN (Bipolar) l ±REFCOMP/2 V IIN Analog Input Leakage Current l ±1 µA CIN Analog Input Capacitance Sample Mode 55 pF Hold Mode 5 pF CMRR Input Common Mode Rejection Ratio 70 dB D YnAMIC ACCuRACY
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Notes 4, 10) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SINAD Signal-to-(Noise + Distortion) Ratio fIN = 1kHz l 71 73.3 dB SNR Signal-to-Noise Ratio fIN = 1kHz l 71 73.4 dB THD Total Harmonic Distortion fIN = 1kHz, First 5 Harmonics l –88 –77 dB SFDR Spurious Free Dynamic Range fIN = 1kHz l 79 90 dB Channel-to-Channel Isolation fIN = 1kHz –109 dB Full Linear Bandwidth (Note 11) 700 kHz –3dB Input Linear Bandwidth 25 MHz Aperture Delay 13 ns Transient Response Full-Scale Step 240 ns 2309fd Document Outline Features Description Applications Absolute Maximum Ratings Pin Configuration Order Information CONVERTER AND MULTIPLEXER CHARACTERISTICS ANALOG INPUT DYNAMIC ACCURACY INTERNAL REFERENCE CHARACTERISTICS I2C Inputs and Digital Outputs POWER REQUIREMENTS I2C TIMING CHARACTERISTICS ADC TIMING CHARACTERISTICS Typical Performance Characteristics Pin Functions Functional Block Diagram TIMING DIAGRAM Applications Information Package Description Revision History Typical Application Related Parts