AD7828BRZ Analog Devices Inc, AD7828BRZ Datasheet
AD7828BRZ
Specifications of AD7828BRZ
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AD7828BRZ Summary of contents
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FEATURES Analog Input Channels Built-In Track-and-Hold Function 10 kHz Signal Handling on Each Channel Fast Microprocessor Interface Single 5 V Supply Low Power Fast Conversion Rate: 2.5 s/Channel Tight Error Specification: 1/2 LSB GENERAL ...
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AD7824/AD7828–SPECIFICATIONS noted. All specifications unless otherwise noted. Specifications apply to Mode 0.) MIN MAX Parameter K Version ACCURACY Resolution 8 ± Total Unadjusted Error Minimum Resolution for which No Missing Codes Are Guaranteed 8 ...
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TIMING CHARACTERISTICS Limit Limit at T Parameter (All Grades) ( Grades CSS CSH RDY t 2.0 ...
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AD7824/AD7828 ABSOLUTE MAXIMUM RATINGS 25°C, unless otherwise noted ...
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T – AMBIENT TEMPERATURE – TPC 1. Conversion Time vs. Temperature 2.0 1.5 1.0 0 – REF REF *1LSB = 256 TPC 2. ...
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AD7824/AD7828 OPERATIONAL DIAGRAM The AD7824 is a 4-channel 8-bit ADC and the AD7828 is an 8-channel 8-bit ADC. Operational diagrams for both of these devices are shown in Figures 3 and 4. The addition of just reference ...
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INPUT CURRENT Due to the novel conversion techniques employed by the AD7824/ AD7828, the analog input behaves somewhat differently than in conventional devices. The ADC’s sampled-data comparators take varying amounts of input current depending on which cycle the conversion is ...
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AD7824/AD7828 UNIPOLAR OPERATION The analog input range for any channel of the AD7824/AD7828 shown in the unipolar operational diagram of Figure 10. Figure 11 shows the designed code transitions that occur midway between ...
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MODE 0 Figure 14 shows the timing diagram for Mode 0 operation. This mode can only be used for microprocessors that have a WAIT state facility, whereby a READ instruction cycle can be extended to accommodate slow memory devices. A ...
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AD7824/AD7828 MICROPROCESSOR INTERFACING The AD7824/AD7828 is designed to interface to microprocessors as Read Only Memory (ROM). Analog channel selection, con- version start, and data read operations are controlled by CS, RD, and the channel address inputs. These signals are common ...
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BAND-PASS FILTER 1 BAND-PASS FILTER 2 SPEECH AMP INPUT BAND-PASS FILTER 7 BAND-PASS FILTER 8 5V Figure 19. Speech Analysis Using Real-Time Filtering 0.150 (3.81) 0.130 (3.30) 0.110 (2.79) 0.250 (6.35) MAX 0.200 (5.05) 0.115 (2.93) REV ...
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AD7824/AD7828 0.30 (0.0118) 0.10 (0.0039) COPLANARITY 0.10 0.30 (0.0118) 0.10 (0.0039) COPLANARITY 0.10 OUTLINE DIMENSIONS 24-Lead Standard Small Outline Package [SOIC] Wide Body (R-24) Dimensions shown in millimeters and (inches) 15.60 (0.6142) 15.20 (0.5984 7.60 (0.2992) 7.40 (0.2913) ...
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Ceramic DIP - Glass Hermetic Seal [CERDIP] 0.005 (0.13) MIN PIN 1 0.200 (5.08) MAX 0.200 (5.08) 0.125 (3.18) 0.023 (0.58) 0.014 (0.36) CONTROLLING DIMENSIONS ARE IN INCHES; MILLIMETER DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF INCH EQUIVALENTS FOR REFERENCE ONLY ...
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AD7824/AD7828 2.00 MAX 0.05 MIN 0.048 (1.22) 0.042 (1.07) 4 0.048 (1.22) 5 0.042 (1.07) TOP VIEW (PINS DOWN 0.456 (11.582) 0.450 (11.430) 0.495 (12.57) 0.485 (12.32) OUTLINE DIMENSIONS 28-Lead Shrink Small Outline Package [SSOP] (RS-28) Dimensions shown ...
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Revision History Location 1/03—Data Sheet changed from REV REV. F. Edits to ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . . . . . . . ...
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