MCP3901A0-I/SS Microchip Technology, MCP3901A0-I/SS Datasheet - Page 11

• 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

FIGURE 2-13:
Distortion vs. Gain (Dithering On).
FIGURE 2-14:
vs. Oversampling Ratio.
FIGURE 2-15:
vs. Input Signal Frequency.
© 2010 Microchip Technology Inc.
Note:
95
90
85
80
75
70
65
60
55
50
45
40
-100
-120
-20
-40
-60
-80
100
-20
-40
-60
-80
0
80
60
40
20
0
1
10
Unless otherwise indicated, AV
OSR = 64; GAIN = 1; Dithering OFF; V
OSR = 32
f
D
= 15.625 ksps
32
OSR = 64
Oversampling Ratio (OSR)
2
Dithering OFF
Input Signal Frequency (Hz)
Signal-to-Noise and
Total Harmonic Distortion
Total Harmonic Distortion
100
64
4
Gain (V/V)
Dithering ON
SINC filter notch at 15.625 Hz
OSR = 256
8
OSR = 128
1000
128
16
DD
256
= 5.0V, DV
10000
32
IN
= -0.5 dBFS @ 60 Hz.
DD
= 5.0V; T
FIGURE 2-16:
Histogram (Dithering On).
FIGURE 2-17:
vs. Temperature.
FIGURE 2-18:
Distortion vs. Input Frequency.
14
12
10
A
8
6
4
2
0
90
80
70
60
50
40
30
20
10
0
= +25°C, MCLK = 4 MHz; PRESCALE = 1;
-100
-120
10
-105.0 -104.5 -104.0 -103.5 -103.0 -102.5 -102.0
-20
-40
-60
-80
f
MCLK = 4 MHz
OSR = 256
Dithering On
IN
0
= 60 Hz
-50
-25
Total Harmonic Distortion (dBc)
Input Signal Frequency (Hz)
100
0
Total Harmonic Distortion
Total Harmonic Distortion
Signal-to-Noise and
Temperature (ºC)
25
SINC filter notch at 15.625 Hz
MCP3901
50
1000
75
f
DS22192C-page 11
D
= 15.625 ksps
100 125 150
10000