TSV620 datasheet(13/24 Pages) STMICROELECTRONICS

部品番号	TSV620

部品情報	Rail-to-rail input/output 29 μA 420 kHz CMOS operational amplifiers

PDF	24 Pages

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メーカー	STMICROELECTRONICS [STMicroelectronics]

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13 / 24 page

DocID14912 Rev 3

13/24

Document header RPN(s)

Application information

3.4

Shutdown function (TSV620)

The operational amplifier is enabled when the SHDN pin is pulled high. To disable the

amplifier, the SHDN pin must be pulled down to VCC-. When in shutdown mode, the

amplifier output is in a high impedance state. The SHDN pin must never be left floating but

tied to VCC+ or VCC-.

The turn-on and turn-off times are calculated for an output variation of ±200 mV (Figure 16

and Figure 17 show the test configurations).

Figure 16. Test configuration for turn-on time

(Vout pulled down)

Figure 17. Test configuration for turn-off time

(Vout pulled down)

Vcc-0.5V

+Vcc

DUT

GND

Vcc-0.5V

+Vcc

DUT

GND

Figure 18. Turn-on time, VCC = 5 V,

Vout pulled down, T = 25 °C

Figure 19. Turn-off time, VCC = 5 V,

Vout pulled down, T = 25 °C

Shutdown pulse

Vout

Vcc = 5V

T = 25°C

Time( s)

Shutdown pulse

Vout

Vcc = 5V

T = 25°C

Time( s)

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