MCP3901A0-E/SS Microchip Technology, MCP3901A0-E/SS Datasheet - Page 10

• Manufacturer Part Number: MCP3901A0-E/SS
• Description: IC ENERGY METER AFE 2CH 20-SSOP
• Manufacturer: Microchip Technology

Specifications of MCP3901A0-E/SS

• Number Of Bits: 24
• Number Of Channels: 2
• Power (watts): 10mW
• Voltage - Supply, Analog: 4.5 V ~ 5.5 V
• Voltage - Supply, Digital: 2.7 V ~ 5.5 V
• Package / Case: 20-SSOP (0.200", 5.30mm Width)
• Ic Function: Analog Front End Device IC
• Supply Voltage Range: 4.5V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: SSOP
• No. Of Pins: 20
• No. Of Channels: 2
• Input Voltage: 2.2 V to 2.6 V
• Mounting Style: SMD/SMT
• Supply Voltage Max: 5.5V
• Rohs Compliant: Yes
• Interface Type: SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP3901
Note: Unless otherwise indicated, AV
OSR = 64; GAIN = 1; Dithering OFF; V
FIGURE 2-7:
FIGURE 2-8:
FIGURE 2-9:
Range Histogram.
DS22192B-page 10
1 2
1 0
8
6
4
2
0
-100
-120
-140
-160
-180
-100
-120
-140
-160
-180
-200
-20
-40
-60
-80
-20
-40
-60
-80
107 107.5 108 108.5 109 109.5 110 110.5 111
0
0
0
0
Spurious Free Dynamic Range (dB)
2000
2000
Spectral Response.
Spectral Response.
Spurious Free Dynamic
Frequency (Hz)
Frequency (Hz)
4000
4000
f
f
16384 Point FFT
OSR = 64
Dithering ON
IN
D
f
f
16384 Point FFT
OSR = 64
Dithering ON
IN
D
= 15.6 ksps
= -60dBFS @ 60 Hz
= 15.6 ksps
= -0.5dBFS @ 60 Hz
DD
6000
6000
IN
f
MCLK = 4 MHz
OSR = 256
Dithering On
= 5.0V, DV
IN
= -0.5dBFS @ 60 Hz.
= 60 Hz
8000
8000
DD
= 5.0 V; T
FIGURE 2-10:
Range vs. Oversampling Ratio.
FIGURE 2-11:
Distortion and Effective Number of Bits vs.
Oversampling Ratio.
FIGURE 2-12:
Distortion vs. Gain.
A
= +25°C, MCLK = 4 MHz; PRESCALE = 1;
100
95
90
85
80
75
70
65
60
55
50
45
40
95
90
85
80
75
70
65
60
55
50
120
110
100
90
80
70
60
50
40
30
20
10
0
Dithering OFF
1
32
OSR = 32
32
Oversampling Ratio (OSR)
2
Dithering ON
Dithering ON
Oversampling Ratio (OSR)
Dithering OFF
64
Spurious Free Dynamic
Signal-to-Noise and
Signal-to-Noise and
© 2009 Microchip Technology Inc.
OSR = 64
64
Gain (V/V)
4
OSR = 256
128
OSR = 128
8
128
256
16
256
16
15
14
13
12
11
10
9
8
32