MCP3901T-I/SS Microchip Technology, MCP3901T-I/SS Datasheet - Page 11
![IC SPI INTERFACE DUAL-CH 20-SSOP](/photos/6/58/65895/150-20-ssop_sml.jpg)
MCP3901T-I/SS
Manufacturer Part Number
MCP3901T-I/SS
Description
IC SPI INTERFACE DUAL-CH 20-SSOP
Manufacturer
Microchip Technology
Specifications of MCP3901T-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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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