AD71056ARZ-RL 查看數據表（PDF） - Analog Devices

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AD71056ARZ-RL

Energy Metering IC with Integrated Oscillator and Reverse Polarity Indication

Analog Devices 

AD71056

Parameter

POWER SUPPLY

VDD

IDD

Value

4.75

5.25

5

Unit

V min

V max

mA max

Test Conditions/Comments

For specified performance

5 V − 5%

5 V + 5%

Typically 4 mA

1 See the Terminology section for an explanation of specifications.

2 See plots in the Typical Performance Characteristics section.

3 See the Analog Inputs section.

4 Sample tested during initial release and after any redesign or process change that may affect this parameter.

TIMING CHARACTERISTICS

VDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, RCLKIN = 6.2 kΩ, 0.5% ± 50 ppm/°C, TMIN to TMAX = −40°C to +85°C, unless

otherwise noted.

Sample tested during initial release and after any redesign or process change that may affect this parameter. See Figure 2.

Table 2.

Parameter

t1 1

t2

t3

t41, 2

t5

t6

Specifications

120

See Table 6

1/2 t2

90

See Table 7

2

Unit

Test Conditions/Comments

ms

F1 and F2 pulse width (logic low).

sec

Output pulse period. See the Transfer Function section.

sec

Time between F1 falling edge and F2 falling edge.

ms

CF pulse width (logic high).

sec

CF pulse period. See the Transfer Function section.

μs

Minimum time between F1 and F2 pulses.

1 The pulse widths of F1, F2, and CF are not fixed for higher output frequencies. See the Frequency Outputs section.

2 The CF pulse is always 35 μs in high frequency mode. See the Frequency Outputs section and Table 7.

Timing Diagram

t1

F1

t6

t2

F2

t3

t4

t5

CF

Figure 2. Timing Diagram for Frequency Outputs

Rev. A | Page 4 of 20

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