Datasheet AD7650 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 16-Bit, 570 kSPS, Unipolar CMOS Successive Approximation ADC |
| 页数 / 页 | 21 / 3 — AD7650–SPECIFICATIONS (–40. C to +85. C, AVDD = DVDD = 5 V, OVDD = 2.7 V … |
| 文件格式/大小 | PDF / 267 Kb |
| 文件语言 | 英语 |
AD7650–SPECIFICATIONS (–40. C to +85. C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.) Parameter
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AD7650–SPECIFICATIONS (–40
ⴗ
C to +85
ⴗ
C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.) Parameter Condition Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range VIN+ – VIN– 0 VREF V Operating Input Voltage VIN+ –0.1 +3 V VIN– –0.1 +0.5 V Analog Input CMRR fIN = 10 kHz 62 dB Input Current 570 kSPS Throughput 7 µA Input Impedance See Analog Input Section THROUGHPUT SPEED Complete Cycle In Warp Mode 1.75 µs Throughput Rate In Warp Mode 1 570 kSPS Time Between Conversions In Warp Mode 1 ms Complete Cycle In Normal Mode 2 µs Throughput Rate In Normal Mode 0 500 kSPS Complete Cycle In Impulse Mode 2.25 µs Throughput Rate In Impulse Mode 0 444 kSPS DC ACCURACY Integral Linearity Error –6 +6 LSB1 No Missing Codes 15 Bits Transition Noise 0.7 LSB Full-Scale Error2 REF = 2.5 V ±0.12 % of FSR Unipolar Zero Error2 ±5 ±25 LSB3 Power Supply Sensitivity AVDD = 5 V ± 5% ±3 LSB AC ACCURACY Signal-to-Noise fIN = 100 kHz 86 dB4 Spurious Free Dynamic Range fIN = 100 kHz 98 dB Total Harmonic Distortion fIN = 45 kHz –98 dB fIN = 100 kHz –96 dB Signal-to-(Noise + Distortion) fIN = 100 kHz 86 dB –60 dB Input, fIN = 100 kHz 30 dB –3 dB Input Bandwidth 18 MHz SAMPLING DYNAMICS Aperture Delay 2 ns Aperture Jitter 5 ps rms Transient Response Full-Scale Step 250 ns REFERENCE External Reference Voltage Range 2.3 2.5 AVDD – 1.85 V External Reference Current Drain 570 kSPS Throughput 115 µA DIGITAL INPUTS Logic Levels VIL –0.3 +0.8 V VIH 2.0 OVDD + 0.3 V IIL –1 +1 µA IIH –1 +1 µA DIGITAL OUTPUTS Data Format Parallel or Serial 16-Bit Pipeline Delay Conversion Results Available Immediately after Completed Conversion VOL ISINK = 1.6 mA 0.4 V VOH ISOURCE = –500 µA OVDD – 0.6 V POWER SUPPLIES Specified Performance AVDD 4.75 5 5.25 V DVDD 4.75 5 5.25 V OVDD 2.7 5.25 V REV. 0 –2–
ⴗ
C to +85
ⴗ
C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.) Parameter Condition Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range VIN+ – VIN– 0 VREF V Operating Input Voltage VIN+ –0.1 +3 V VIN– –0.1 +0.5 V Analog Input CMRR fIN = 10 kHz 62 dB Input Current 570 kSPS Throughput 7 µA Input Impedance See Analog Input Section THROUGHPUT SPEED Complete Cycle In Warp Mode 1.75 µs Throughput Rate In Warp Mode 1 570 kSPS Time Between Conversions In Warp Mode 1 ms Complete Cycle In Normal Mode 2 µs Throughput Rate In Normal Mode 0 500 kSPS Complete Cycle In Impulse Mode 2.25 µs Throughput Rate In Impulse Mode 0 444 kSPS DC ACCURACY Integral Linearity Error –6 +6 LSB1 No Missing Codes 15 Bits Transition Noise 0.7 LSB Full-Scale Error2 REF = 2.5 V ±0.12 % of FSR Unipolar Zero Error2 ±5 ±25 LSB3 Power Supply Sensitivity AVDD = 5 V ± 5% ±3 LSB AC ACCURACY Signal-to-Noise fIN = 100 kHz 86 dB4 Spurious Free Dynamic Range fIN = 100 kHz 98 dB Total Harmonic Distortion fIN = 45 kHz –98 dB fIN = 100 kHz –96 dB Signal-to-(Noise + Distortion) fIN = 100 kHz 86 dB –60 dB Input, fIN = 100 kHz 30 dB –3 dB Input Bandwidth 18 MHz SAMPLING DYNAMICS Aperture Delay 2 ns Aperture Jitter 5 ps rms Transient Response Full-Scale Step 250 ns REFERENCE External Reference Voltage Range 2.3 2.5 AVDD – 1.85 V External Reference Current Drain 570 kSPS Throughput 115 µA DIGITAL INPUTS Logic Levels VIL –0.3 +0.8 V VIH 2.0 OVDD + 0.3 V IIL –1 +1 µA IIH –1 +1 µA DIGITAL OUTPUTS Data Format Parallel or Serial 16-Bit Pipeline Delay Conversion Results Available Immediately after Completed Conversion VOL ISINK = 1.6 mA 0.4 V VOH ISOURCE = –500 µA OVDD – 0.6 V POWER SUPPLIES Specified Performance AVDD 4.75 5 5.25 V DVDD 4.75 5 5.25 V OVDD 2.7 5.25 V REV. 0 –2–