MCP3906 Microchip Technology, MCP3906 Datasheet - Page 5

• Manufacturer Part Number: MCP3906
• Description: (MCP3905 / MCP3906) Energy-Metering ICs
• Manufacturer: Microchip Technology

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FIGURE 1-1:
© 2009 Microchip Technology Inc.
TIMING CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, all parameters apply at AV
A
Frequency Output
F
(Logic-Low)
HF
F
HF
F
F
F
F
HF
HF
High-Level Input Voltage
(All Digital Input Pins)
Low-Level Input Voltage
(All Digital Input Pins)
Input Leakage Current
Pin Capacitance
Note 1:
OUT0
OUT0
OUT0
OUT0
OUT0
OUT0
GND
OUT
OUT
OUT
OUT
, D
2:
3:
and F
and F
to F
to F
and F
and F
Pulse Width
Pulse Period
Output High Voltage
Output Low Voltage
GND
HF
F
F
OUT1
OUT1
If output pulse period (t
If output pulse period (t
Specified by characterization, not production tested.
OUT0
OUT1
NEG
OUT
OUT1
OUT1
OUT1
OUT1
= 0V, MCLK = 3.58 MHz; T
Parameter
Falling-Edge Time
Min Separation
Pulse Width
Pulse Period
Output High Voltage
Output Low Voltage
Output Timings for Pulse Outputs and Negative Power Pin.
t
HW
t
HP
FP
HP
t
FW
) falls below 984376*2 MCLK periods, then t
) falls below 322160*2 MCLK periods, then t
t
FS2
A
= -40°C to +85°C.
Sym
V
V
t
V
V
t
t
V
t
V
t
FS2
t
HW
FW
HP
FP
FS
OH
OH
OL
OL
IH
IL
t
FS
Min
Refer to
Refer to
4.5
4.0
2.4
—
—
—
—
—
—
—
—
—
t
FP
4/MCLK
0.5 t
Typ
275
Equation 4-1
Equation 4-2
90
—
—
—
—
—
—
—
—
FP
±3
0.85
Max
0.5
0.5
10
—
—
—
—
—
—
—
FW
HW
Units
DD
ms
ms
µA
pF
V
V
V
V
V
V
s
s
= 1/2 t
= 1/2 t
MCP3905/06
= DV
984376 MCLK periods
(Note 1)
322160 MCLK periods
(Note 2)
I
I
I
I
DV
DV
V
Note 3
DD
FP
OH
OL
OH
OL
HP
IN
.
DD
DD
.
= 4.5V – 5.5V,
= 10 mA, DV
= 5 mA, DV
= 10 mA, DV
= 5 mA, DV
= 0, V
= 5.0V
= 5.0V
Comment
IN
DS21948E-page 5
= DV
DD
DD
DD
DD
DD
= 5.0V
= 5.0V
= 5.0V
= 5.0V