MCP3909-I/SS Microchip Technology, MCP3909-I/SS Datasheet - Page 6

• Manufacturer Part Number: MCP3909-I/SS
• Description: IC POWER METERING-1 PHASE 24SSOP
• Manufacturer: Microchip Technology

Specifications of MCP3909-I/SS

• Package / Case: 24-SSOP (0.200", 5.30mm Width)
• Input Impedance: 390 KOhm
• Measurement Error: 0.1%
• Voltage - I/o High: 2.4V
• Voltage - I/o Low: 0.85V
• Current - Supply: 2.3mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Meter Type: Single Phase
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Supply Voltage Range: 4.5V To 5.5V
• Digital Ic Case Style: SSOP
• No. Of Pins: 24
• Interface Type: Serial, SPI
• Supply Voltage Max: 5.5V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MCP3909EV-MCU16 - EVALUATION BOARD FOR MCP3909MCP3909RD-3PH1 - REF DESIGN MCP3909 3PH ENGY MTR
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

MCP3909
DS22025B-page 6
TIMING CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, all parameters apply at AV
A
Frequency Outputs
F
(Logic Low)
HF
F
HF
F
Time
F
ration
Digital I/O
F
Voltage
F
Voltage
HF
Voltage
HF
Voltage
High-Level Input Voltage
(All Digital Input Pins)
Low Level Input Voltage
(All Digital Input Pins)
Input Leakage Current
Pin Capacitance
Serial Interface Timings (Note 4)
Data Ready Pulse Width
Reset Time
Output Data Rate
Serial Clock Frequency
Window for serial mode entry
codes
Window start time for serial
mode entry codes
Serial Clock High Time
Serial Clock Low Time
CS Fall to First Rising CLK Edge
Data Input Setup Time
Data Input Hold Time
Note 1:
GND
OUT0
OUT0
OUT0
OUT0
OUT0
OUT0
OUT
OUT
OUT
OUT
, D
2:
3:
4:
and F
and F
to F
to F
and F
and F
Pulse Width
Pulse Period
and NEG Output High
and NEG Output Low
GND
Parameter
OUT1
OUT1
If output pulse period (t
If output pulse period (t
equals 0,1,1, the HF
Specified by characterization, not production tested.
Serial timings specified and production tested with 180 pF load.
OUT1
OUT1
OUT1
OUT1
= 0V, MCLK = 3.58 MHz; T
Falling-Edge
Minimum Sepa-
Pulse Width
Pulse Period
Output High
Output Low
OUT
FP
HP
t
t
WINDOW
WINSET
t
pulse time is fixed at 64 x MCLK periods or 18 µs for MCLK = 3.58 MHz
Sym
t
f
SUCS
) falls below 984376*2 MCLK periods, then t
V
V
f
) falls below 322160*2 MCLK periods, then t
t
V
V
t
t
ADC
t
V
RST
t
t
t
t
V
t
t
FS2
CLK
HW
t
FW
DR
FP
HP
FS
LO
SU
HD
OH
OH
HI
OL
OL
IH
IL
A
= -40°C to +85°C.
1/MCLK
Min
100
4.5
4.0
2.4
15
10
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Refer to
Refer to
MCLK/256
4/MCLK
4/MCLK
0.5 t
Equation 4-1
Equation 4-2
Typ
275
0.1
90
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
FP
MCLK
Max
0.85
0.5
0.5
32/
±1
10
20
25
10
—
—
—
—
—
—
—
—
—
—
—
—
25
Units
MHz
FW
HW
ms
ms
µA
pF
ns
—
—
ns
ns
ns
ns
ns
V
DD
V
V
V
V
V
s
s
= 1/2 t
= 1/2 t
= DV
© 2009 Microchip Technology Inc.
984376 MCLK periods
322160 MCLK periods
DV
(Note 1)
(Note 2)
I
I
I
I
DV
V
(Note 3)
V
Last bit must be clocked in
before this time.
First bit must be clocked in
after this time.
f
f
OH
OL
OH
OL
CLK
CLK
DD
IN
DD
FP
HP
DD
DD
= 10 mA, DV
= 5 mA, DV
.
= 0, V
= 10 mA, DV
= 5 mA, DV
= 20 MHz
= 20 MHz
. When F2, F1, F0
= 4.5V to 5.5V,
= 5V
= 5.0V
= 5.0V
Comment
IN
= DV
DD
DD
DD
DD
DD
= 5.0V
= 5.0V
= 5.0V
= 5.0V