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ADG781BCP Datasheet(PDF) 5 Page - Analog Devices |
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ADG781BCP Datasheet(HTML) 5 Page - Analog Devices |
5 / 8 page REV. A ADG781/ADG782/ADG783 –5– VDD Most positive power supply potential. GND Ground (0 V) reference. S Source terminal. May be an input or output. D Drain terminal. May be an input or output. IN Logic control input. RON Ohmic resistance between D and S. ∆RON On-resistance match between any two chan- nels (i.e., RON max and RON min). RFLAT(ON) Flatness is defined as the difference between the maximum and minimum value of on resistance as measured over the specified analog signal range. IS (OFF) Source leakage current with the switch “OFF.” ID (OFF) Drain leakage current with the switch “OFF.” ID, IS (ON) Channel leakage current with the switch “ON.” VD (VS) Analog voltage on terminals D, S. CS (OFF) “OFF” switch source capacitance. CD (OFF) “OFF” switch drain capacitance. CD, CS (ON) “ON” switch capacitance. tON Delay between applying the digital control input and the output switching on. tOFF Delay between applying the digital control input and the output switching off. tD “OFF” time or “ON” time measured between the 90% points of both switches, when switching from one address state to another (ADG783 only). Crosstalk A measure of unwanted signal that is coupled through from one channel to another as a result of parasitic capacitance. Off Isolation A measure of unwanted signal coupling through an “OFF” switch. Charge A measure of the glitch impulse transferred Injection from the digital input to the analog output during switching. On Response The frequency response of the “ON” switch. On Loss The loss due to the on resistance of the switch. TERMINOLOGY Typical Performance Characteristics VD OR VS – DRAIN OR SOURCE VOLTAGE – V 6 0 0 0.5 VDD = 2.7V 0.5 1 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 1.5 2 2.5 3 3.5 4 4.5 VDD = 3V VDD = 4.5V VDD = 5V TA = 25 C 5 TPC 1. On Resistance as a Function of VD (VS) VD OR VS – DRAIN OR SOURCE VOLTAGE – V 6 0 0 +85 C 0.5 1 5.5 5 4.5 4 3.5 3 2.5 2 1.5 13 VDD = 3V –40 C 0.5 1.5 2 2.5 +25 C TPC 2. On Resistance as a Function of VD (VS) for Different Temperatures VDD = 3 V VD OR VS – DRAIN OR SOURCE VOLTAGE – V 6 0 0 0.5 0.5 1 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 1.5 2 2.5 3 3.5 4 4.5 5 VDD = 5V +85 C –40 C +25 C TPC 3. On Resistance as a Function of VD (VS) for Different Temperatures VDD = 5 V VDD = 5V 4 SW 1 SW FREQUENCY – Hz 10m 1m 1n 100 10M 1k 10k 100k 1M 100 10 1 100n 10n TPC 4. Supply Current vs. Input Switching Frequency |
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