MCP3905L Microchip Technology, MCP3905L Datasheet - Page 4

• Manufacturer Part Number: MCP3905L
• Description: (MCP3905A / MCP3906A) Energy Metering ICs
• Manufacturer: Microchip Technology

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MCP3905A/05L/06A
DS22011A-page 4
TIMING CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, all parameters apply at AV
A
Frequency Output
F
(Logic Low) for MCP3905A, MCP3906A
devices
HF
MCP3906A devices
F
(Logic Low) for MCP3905L device
HF
device
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
OUT0
GND
OUT
OUT
OUT
OUT
OUT
, D
2:
3:
and F
and F
and F
to F
to F
and F
and F
Pulse Width for MCP3905A,
Pulse Width for MCP3905L
Pulse Period
Output High Voltage
Output Low Voltage
GND
OUT1
OUT1
If output pulse period (t
periods for MCP3905L, then t
If output pulse period (t
periods for MCP3905L, then t
periods).
Specified by characterization, not production tested.
OUT1
OUT1
OUT1
OUT1
OUT1
= 0V, MCLK = 3.58 MHz; T
Parameter
Falling-Edge Time
Min Separation
Pulse Width
Pulse Width
Pulse Period
Output High Voltage
Output Low Voltage
FP
HP
) falls below 984376*2 MCLK periods for MCP3905A/6A and 465344*2 MCLK
) falls below 322160*2 MCLK periods for MCP3905A/6A and 232672*2 MCLK
A
FW
HW
= -40°C to +85°C.
= 1/2 t
= 1/2 t
Sym
V
V
t
V
V
t
t
t
t
V
t
t
V
FS2
t
HW
HW
FW
FW
HP
FP
FS
OH
OH
OL
OL
IH
IL
FP
HP
.
. When F2, F1,F0 = 011, t
Min
Refer to Equation 4-1
Refer to Equation 4-2
4.5
4.0
2.4
—
—
—
—
—
—
—
—
—
—
—
4/MCLK
0.5 t
Typ
275
130
90
65
—
—
—
—
—
—
—
—
FP
Max
0.85
0.5
0.5
±3
10
—
—
—
—
—
—
—
—
—
HW
Units
DD
is fixed to 18 µs (64 MCLK
ms
ms
ms
ms
µA
pF
V
V
V
V
V
V
s
s
= DV
© 2006 Microchip Technology Inc.
984376 MCLK periods
(Note 1)
322160 MCLK periods
(Note 2)
465344 MCLK periods
(Note 1)
232672 MCLK periods
(Note 2)
I
I
I
I
DV
DV
V
Note 3
DD
OH
OL
OH
OL
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
= DV
DD
DD
DD
DD
DD
= 5.0V
= 5.0V
= 5.0V
= 5.0V