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AD977ACR Datasheet(PDF) 5 Page - Analog Devices |
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AD977ACR Datasheet(HTML) 5 Page - Analog Devices |
5 / 24 page ![]() AD977/AD977A –5– REV. D 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 AD977/AD977A feature 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. ABSOLUTE MAXIMUM RATINGS 1 Analog Inputs R1IN, R2IN , R3IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±25 V CAP . . . . . . . . . . . . . . . . .+VANA + 0.3 V to AGND2 – 0.3 V REF . . . . . . . . . . . . . . . . . . . . . Indefinite Short to AGND2, . . . . . . . . . . . . . . . . . . . . . . . . . Momentary Short to VANA Ground Voltage Differences DGND, AGND1, AGND2 . . . . . . . . . . . . . . . . . . . ±0.3 V Supply Voltages VANA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V VDIG to VANA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±7 V VDIG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Digital Inputs . . . . . . . . . . . . . . . . . . . –0.3 V to VDIG + 0.3 V Internal Power Dissipation 2 PDIP (N), SOIC (R), SSOP (RS) . . . . . . . . . . . . . 700 mW Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150 °C Storage Temperature Range N, R . . . . . . . . –65 °C to +150°C Lead Temperature Range (Soldering 10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 °C NOTES 1Stresses above those listed under Absolute Maximum Ratings may cause perma- nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 2Specification is for device in free air: 20-Lead PDIP: θ JA = 100 °C/W, θ JC = 31 °C/W, 20-Lead SOIC: θ JA = 75 °C/W, θ JC = 24 °C/W, 28-Lead SSOP: θ JA = 109 °C/W, θ JC = 39 °C/W. PIN CONFIGURATIONS SB/BTC EXT/INT CS BUSY R/C 14 13 12 11 17 16 15 20 19 18 10 9 8 1 2 3 4 7 6 5 TOP VIEW (Not to Scale) AD977 AD977A VDIG VANA PWRD TAG DATA DATACLK SYNC R1IN AGND1 R2IN R3IN CAP REF AGND2 DGND 14 13 12 11 17 16 15 20 19 18 10 9 8 1 2 3 4 7 6 5 TOP VIEW (Not to Scale) 28 27 26 25 24 23 22 21 AD977 AD977A NC = NO CONNECT VDIG VANA PWRD NC NC NC TAG NC DATA DATACLK SYNC R1IN AGND1 R2IN R3IN NC CAP REF NC AGND2 NC NC DGND R/C CS BUSY SB/BTC EXT/INT SOIC and DIP SSOP 1.6mA IOL 500 AIOH 1.4V CL 100pF TO OUTPUT PIN Figure 1. Load Circuit for Digital Interface Timing ORDERING GUIDE Temperature Throughput Package Model Range Rate Max INL Min S/(N+D) Options * AD977AN –40 °C to +85°C 100 kSPS ±3.0 LSB 83 dB N-20 AD977BN –40 °C to +85°C 100 kSPS ±2.0 LSB 85 dB N-20 AD977CN –40 °C to +85°C 100 kSPS 83 dB N-20 AD977AAN –40 °C to +85°C 200 kSPS ±3.0 LSB 83 dB N-20 AD977ABN –40 °C to +85°C 200 kSPS ±2.0 LSB 85 dB N-20 AD977ACN –40 °C to +85°C 200 kSPS 83 dB N-20 AD977AR –40 °C to +85°C 100 kSPS ±3.0 LSB 83 dB R-20 AD977BR –40 °C to +85°C 100 kSPS ±2.0 LSB 85 dB R-20 AD977CR –40 °C to +85°C 100 kSPS 83 dB R-20 AD977AAR –40 °C to +85°C 200 kSPS ±3.0 LSB 83 dB R-20 AD977ABR –40 °C to +85°C 200 kSPS ±2.0 LSB 85 dB R-20 AD977ACR –40 °C to +85°C 200 kSPS 83 dB R-20 AD977ARS –40 °C to +85°C 100 kSPS ±3.0 LSB 83 dB RS-28 AD977BRS –40 °C to +85°C 100 kSPS ±2.0 LSB 85 dB RS-28 AD977CRS –40 °C to +85°C 100 kSPS 83 dB RS-28 AD977AARS –40 °C to +85°C 200 kSPS ±3.0 LSB 83 dB RS-28 AD977ABRS –40 °C to +85°C 200 kSPS ±2.0 LSB 85 dB RS-28 AD977ACRS –40 °C to +85°C 200 kSPS 83 dB RS-28 *N = 20-lead 300 mil plastic DIP; R = 20-lead SOIC; RS = 28-lead SSOP. WARNING! ESD SENSITIVE DEVICE |
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