ADE7762(Rev0) Ver la hoja de datos (PDF) - Analog Devices

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componentes Descripción

Fabricante

ADE7762
(Rev.:Rev0)

Polyphase Energy Metering IC with Phase Drop Indication

Analog Devices 

ADE7762

Parameter

POWER SUPPLY

VDD

IDD

Conditions

For specified performance

5 V ± 5%

1 See the Terminology section for explanation of specifications.

2 See the plots in the Typical Performance Characteristics section.

3 Sample tested during initial release and after any redesign or process changes that might affect this parameter.

Min Typ Max Unit

4.75

8.5

5.25 V

10 mA

TIMING CHARACTERISTICS

VDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, CLKIN = 10 MHz, TMIN to TMAX = −40°C to +85°C, unless otherwise noted.

Table 2.

Parameter1,2

t1 3

t2

t3

t43, 4

t55

t6

t7

t8

t9

Conditions

F1 and F2 pulse width (logic high)

Output pulse period (see the Transfer Function section)

Time between F1 rising edge and F2 rising edge

CF pulse width (logic high)

CF pulse period (see the Transfer Function section)

Minimum time between F1 and F2 pulse

LED_CTRL pulse width

LED_CTRL period

LED pulse width

Value

Unit

120

ms

See Figure 2

sec

½ t2

sec

90

ms

See Table 7

sec

4/CLKIN

sec

28.8

μs

57.5

μs

7.2

μs

1 Sample tested during initial release and after any redesign or process changes that might affect this parameter.

2 See Figure 2.

3 The pulse widths of F1, F2, and CF are not fixed for higher output frequencies (see the Frequency Outputs section).

4 CF is not synchronous to F1 or F2 frequency outputs.

5 The CF pulse is always 1 μs in the high frequency mode (see the Frequency Outputs section).

t1

F1

t6

t2

F2

t3

t4

t5

CF

Figure 2. Timing Diagram for Frequency Outputs

t8

t7

t9

Figure 3. Timing Diagram for LED Drivers

Rev. 0 | Page 5 of 28

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