Datasheet AD7453 (Analog Devices) - 10
| Hersteller | Analog Devices |
| Beschreibung | Pseudo Differential, 555 kSPS, 12-Bit A/D Converter in 8-Lead SOT-23 |
| Seiten / Seite | 21 / 10 — AD7453. AD7453–TYPICAL PERFORMANCE CHARACTERISTICS. 1.0. VDD = 5.25V. … |
| Revision | B |
| Dateiformat / Größe | PDF / 429 Kb |
| Dokumentensprache | Englisch |
AD7453. AD7453–TYPICAL PERFORMANCE CHARACTERISTICS. 1.0. VDD = 5.25V. 0.8. 0.6. VDD = 4.75V. 0.4. VDD = 3.6V. S L. 0.2. R (. VDD = 2.7V
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AD7453 AD7453–TYPICAL PERFORMANCE CHARACTERISTICS
Default Conditions: TA = 25°C, fS = 555 kSPS, fSCLK = 10 MHz, VDD = 2.7 V to 5.25 V, VREF = 2.5 V, unless otherwise noted.
75 1.0 VDD = 5.25V 0.8 0.6 70 VDD = 4.75V ) 0.4 B VDD = 3.6V S L 0.2 R ( 65 VDD = 2.7V RO 0 R INAD (dB) S E L –0.2 DN –0.4 60 –0.6
-005 -008
–0.8
03155-A 03155-A
55 –1.0 10 100 277 0 1024 2048 3072 4096 CODE FREQUENCY (kHz)
Figure 5. SINAD vs. Analog Input Frequency for Various Supply Voltages Figure 8. Typical DNL for the AD7453 for VDD = 5 V
0 1.0 100mV p-p SINE WAVE ON VDD NO DECOUPLING ON V 0.8 DD –20 0.6 –40 ) 0.4 ) SB B –60 0.2 d (L R O 0 RR ( V R S DD = 3V –80 P ER L –0.2 VDD= 5V IN –100 –0.4 –0.6 –120
-006 -009
–0.8 –140
03155-A
–1.0
03155-A
0 100 200 300 400 500 600 700 800 900 1000 0 1024 2048 3072 4096 CODE SUPPLY RIPPLE FREQUENCY (kHz)
Figure 6. PSRR vs. Supply Ripple Frequency without Supply Decoupling Figure 9. Typical INL for the AD7453 for VDD = 5 V
0 10000 9949 8192 POINT FFT CODES f 9000 –20 SAMPLE = 555kSPS fIN = 100kSPS SINAD = 71.7dB 8000 –40 THD = –82dB SFDR = –83dB 7000 6000 –60 5000 NR (dB) S –80 4000 –100 3000 2000 –120
-007 -010
1000 27 CODES 24 CODES –140
03155-A
0
03155-A
0 100 200 277 2046 2047 2048 2049 2050 2051 FREQUENCY (kHz) CODES
Figure 7. Dynamic Performance for V Figure 10. Histogram of 10,000 Conversions of a DC Input DD = 5 V Rev. B | Page 9 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY AD7453–TYPICAL PERFORMANCE CHARACTERISTICS CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM THE ANALOG INPUT Analog Input Structure DIGITAL INPUTS REFERENCE SERIAL INTERFACE Timing Example 1 MODES OF OPERATION NORMAL MODE POWER-DOWN MODE POWER-UP TIME POWER VS. THROUGHPUT RATE MICROPROCESSOR AND DSP INTERFACING AD7453 to ADSP-21xx AD7453 to TMS320C5x/C54x AD7453 to DSP56xxx APPLICATION HINTS Grounding and Layout EVALUATING THE AD7453’S PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE
Default Conditions: TA = 25°C, fS = 555 kSPS, fSCLK = 10 MHz, VDD = 2.7 V to 5.25 V, VREF = 2.5 V, unless otherwise noted.
75 1.0 VDD = 5.25V 0.8 0.6 70 VDD = 4.75V ) 0.4 B VDD = 3.6V S L 0.2 R ( 65 VDD = 2.7V RO 0 R INAD (dB) S E L –0.2 DN –0.4 60 –0.6
-005 -008
–0.8
03155-A 03155-A
55 –1.0 10 100 277 0 1024 2048 3072 4096 CODE FREQUENCY (kHz)
Figure 5. SINAD vs. Analog Input Frequency for Various Supply Voltages Figure 8. Typical DNL for the AD7453 for VDD = 5 V
0 1.0 100mV p-p SINE WAVE ON VDD NO DECOUPLING ON V 0.8 DD –20 0.6 –40 ) 0.4 ) SB B –60 0.2 d (L R O 0 RR ( V R S DD = 3V –80 P ER L –0.2 VDD= 5V IN –100 –0.4 –0.6 –120
-006 -009
–0.8 –140
03155-A
–1.0
03155-A
0 100 200 300 400 500 600 700 800 900 1000 0 1024 2048 3072 4096 CODE SUPPLY RIPPLE FREQUENCY (kHz)
Figure 6. PSRR vs. Supply Ripple Frequency without Supply Decoupling Figure 9. Typical INL for the AD7453 for VDD = 5 V
0 10000 9949 8192 POINT FFT CODES f 9000 –20 SAMPLE = 555kSPS fIN = 100kSPS SINAD = 71.7dB 8000 –40 THD = –82dB SFDR = –83dB 7000 6000 –60 5000 NR (dB) S –80 4000 –100 3000 2000 –120
-007 -010
1000 27 CODES 24 CODES –140
03155-A
0
03155-A
0 100 200 277 2046 2047 2048 2049 2050 2051 FREQUENCY (kHz) CODES
Figure 7. Dynamic Performance for V Figure 10. Histogram of 10,000 Conversions of a DC Input DD = 5 V Rev. B | Page 9 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY AD7453–TYPICAL PERFORMANCE CHARACTERISTICS CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM THE ANALOG INPUT Analog Input Structure DIGITAL INPUTS REFERENCE SERIAL INTERFACE Timing Example 1 MODES OF OPERATION NORMAL MODE POWER-DOWN MODE POWER-UP TIME POWER VS. THROUGHPUT RATE MICROPROCESSOR AND DSP INTERFACING AD7453 to ADSP-21xx AD7453 to TMS320C5x/C54x AD7453 to DSP56xxx APPLICATION HINTS Grounding and Layout EVALUATING THE AD7453’S PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE