MCP3909-I/SS Microchip Technology, MCP3909-I/SS Datasheet - Page 12

• 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
Note: Unless otherwise specified, DV
MCLK = 3.58 MHz, CH1 input = 660 mV
FIGURE 2-25:
Distortion Ratio vs. Input Signal Amplitude
(G = 2).
FIGURE 2-26:
Distortion Ratio vs. Input Signal Amplitude
(G = 8).
DS22025A-page 12
100
100
0.000100 0.001000 0.010000 0.100000 1.000000
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0.00001
0
0
0.0001
CH0 Vp-p Amplitude (V)
CH0 Vp-p Amplitude (V)
SINAD (dBFS)
SINAD (dBFS)
Signal-to-Noise and
Signal-to-Noise and
0.001
SINAD (dB)
SINAD (dB)
0.01
DD
, AV
P-P
0.1
at 50 Hz, CH0 amplitude sweeps at 50 Hz.
DD
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
= 5V; A
GND
, D
GND
FIGURE 2-27:
Distortion Ratio vs. Input Signal Amplitude
(G = 16).
FIGURE 2-28:
Input Signal.
= 0V; V
100
0.000010 0.000100 0.001000 0.010000 0.100000
90
80
70
60
50
40
30
20
10
-100
-120
-140
-160
0
-20
-40
-60
-80
0
REF
0
= Internal, HPF = 1 (AC mode),
CH0 Vp-p Amplitude (V)
2000
SINAD (dBFS)
Signal-to-Noise and
Frequency Spectrum, 50 Hz
Frequency (Hz)
© 2006 Microchip Technology Inc.
SINAD (dB)
4000
6000
100
90
80
70
60
50
40
30
20
10
0