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

• Manufacturer Part Number: MCP3901A0-I/SS
• Description: IC AFE 24BIT 64KSPS 20-SSOP
• Manufacturer: Microchip Technology

Specifications of MCP3901A0-I/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
• 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
• Supply Voltage Max: 5.5V
• Output Voltage: 0.4 V
• Output Power: 14 mW
• Input Voltage: 4.5 V to 5.5 V, 2.7 V to 5.5 V
• Switching Frequency: 4 MHz
• Mounting Style: SMD/SMT
• Number Of Outputs: 2
• No. Of Channels: 2
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: MCP3901AO-I/SS; MCP3901AO-I/SS

MCP3901
FIGURE 2-7:
FIGURE 2-8:
FIGURE 2-9:
Range Histogram.
DS22192C-page 10
Note:
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
Unless otherwise indicated, AV
OSR = 64; GAIN = 1; Dithering OFF; V
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
6000
6000
f
MCLK = 4 MHz
OSR = 256
Dithering On
IN
= 60 Hz
DD
= 5.0V, DV
8000
8000
IN
= -0.5 dBFS @ 60 Hz.
DD
= 5.0V; 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
100
95
90
85
80
75
70
65
60
55
50
45
40
95
90
85
80
75
70
65
60
55
50
= +25°C, MCLK = 4 MHz; PRESCALE = 1;
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
© 2010 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