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AD9058 Scheda tecnica(PDF) 4 Page - Analog Devices |
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AD9058 Scheda tecnica(HTML) 4 Page - Analog Devices |
4 / 8 page REV. B AD9058 –4– CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD9058 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. WARNING! ESD SENSITIVE DEVICE PIN DESCRIPTIONS J-Lead Ceramic DIP Pin Number Pin Number ADC-A ADC-B Name Function ADC-A ADC-B 343 +VREF Top of internal voltage reference ladder. 14 11 4 42 GROUND Analog ground return. 15 10 541 +VS Positive 5 V analog supply voltage. 16 9 6 40 AIN Analog input voltage. 17 8 739 –VS Negative 5 V supply voltage. 19 6 838 –VREF Bottom of internal voltage reference ladder. 20 5 937 +VS Positive 5 V digital supply voltage. 22 3 10 36 ENCODE TTL compatible convert command. 23 2 11 35 D7 (MSB) Most significant bit of TTL digital output. 25 48 12–17 34–29 D6–D1 TTL compatible digital output bits. 26–31 47–42 18 28 D0 (LSB) Least significant bit of TTL digital output. 32 41 19 27 GROUND Digital ground return. 21, 24, 33 1, 4, 40 20 26 –VS Negative 5 V supply voltage. 34 39 21 25 GROUND Analog ground return. 35 38 22 24 +VS Positive 5 V analog supply voltage. 36 37 COMMON PINS COMMON PINS 1 COMP Connection for external (0.1 µF) 12 compensation capacitor. 2+VINT Internal +2 V reference; can drive 13 +VREF for both ADCs. 7 17 18 28 39 29 6 ENCODE –VS –VREF +VS ENCODE D7 (MSB) D6 40 TOP VIEW (Not to Scale) AD9058 NC = NO CONNECT GROUND D5 D4 D3 D2 D1 –VS –VREF +VS D7 (MSB) D6 D5 D4 D3 D2 D1 AD9058JJ/KJ Pinouts 24 25 48 1 D7 (MSB) GROUND GROUND GROUND GROUND D0 (LSB) D6 GROUND COMP GROUND AIN –VREF +VS ENCODE ENCODE NC NC NC = NO CONNECT GROUND GROUND GROUND GROUND –VS +VS +VREF +VINT +VREF +VS AIN –VS –VREF +VS –VS +VS +VS –VS D5 D4 D3 D2 D1 D7 (MSB) D0 (LSB) D6 D5 D4 D3 D2 D1 AD9058JD/KD Pinouts DIGITAL BITS +VS AD9058 Equivalent Digital Outputs +5.0V 13k Ω ENCODE AD9058 Equivalent Encode Circuit AD9058 Burn-In Connections AD9058 ENCODE** ** INDICATES EACH PIN IS CONNECTED THROUGH 100 * INDICATES EACH PIN IS CONNECTED THROUGH 2 k AIN** –VREF +VS –VS –5.2V +5V GROUND COMP +VREF +VINT D0–D7* +VS 0.1 F |
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