Product Summary

The AD977BRZRL is a high speed, low power 16-bit A/D converter that operates from a single 5 V supply. The AD977BRZRL has a throughput rate of 200 kSPS whereas the AD977 has a throughput rate of 100 kSPS. Each part contains a successive approximation, switched capacitor ADC, an internal 2.5 V reference, and a high speed serial interface. The ADC is factory calibrated to minimize all linearity errors. The AD977BRZRL is specified for full scale bipolar input ranges of ±10 V, ±5 V and ±3.3 V, and unipolar ranges of 0 V to 10 V, 0 V to 5 V and 0 V to 4 V. The AD977BRZRL is comprehensively tested for ac parameters such as SNR and THD, as well as the more traditional dc parameters of offset, gain and linearity.The AD977BRZRL operates from a single 5 V supply and dissipates only 100 mW max.

Parametrics

AD977BRZRL absolute maximum ratings: (1)Analog Inputs R1IN, R2IN , R3IN: ±25 V; (2)Ground Voltage DifferencesDGND, AGND1, AGND2: ±0.3 V; (3)Supply Voltages VDIG to VANA: ±7 V; (4)Digital Inputs: –0.3 V to VDIG + 0.3 V; (5)Internal Power Dissipation2PDIP (N), SOIC (R), SSOP (RS): 700 mW; (6)Junction Temperature: 150°C; (7)Storage Temperature Range N, R: –65°C to +150°C; (8)Lead Temperature Range (Soldering 10 sec): 300°C.

Features

AD977BRZRL features: (1)Fast 16-Bit ADC; (2)100 kSPS Throughput Rate—AD977; (3)200 kSPS Throughput Rate—AD977A; (4)Single 5 V Supply Operation; (5)Power Dissipation 100 mW Max; (6)Power-Down Mode 50 μWInput Ranges: Unipolar; 0 V–10 V, 0 V–5 V and 0 V–4 V; (7)Bipolar; ±10 V, ±5 V and ±3.3 V; (8)Choice of External or Internal 2.5 V Reference; (9)High Speed Serial Interface; (10)On-Chip Clock; (11)20-Lead Skinny DIP or SOIC Package; (12)28-Lead Skinny SSOP Package.

Diagrams

AD977BRZRL functional block diagram

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