MCP3903-I/SS Microchip Technology, MCP3903-I/SS Datasheet - Page 10

• Manufacturer Part Number: MCP3903-I/SS
• Description: IC AFE 24BIT 64KSPS 28SSOP
• Manufacturer: Microchip Technology
• Series: -r

Specifications of MCP3903-I/SS

• Featured Product: MCP3903 Six Channel ΔΣ A/D Converter
• Number Of Bits: 24
• Number Of Channels: 6
• Power (watts): -
• Voltage - Supply, Analog: 4.5 V ~ 5.5 V
• Voltage - Supply, Digital: 2.7 V ~ 3.6 V
• Package / Case: 28-SSOP (0.209", 5.30mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

MCP3903
Note: Unless otherwise indicated, AV
64; GAIN = 1; Dithering OFF; V
.
FIGURE 2-7:
FIGURE 2-8:
Range vs Oversampling Ratio.
FIGURE 2-9:
Distortion vs. Oversampling Ratio.
DS25048B-page 10
120
120
120
120
120
120
120
100
100
100
100
100
100
80
80
80
80
80
80
60
60
60
60
60
40
40
40
40
20
20
20
0
0
0
120
120
120
120
120
120
120
100
100
100
100
100
100
80
80
80
80
80
80
60
60
60
60
60
40
40
40
40
20
20
20
0
0
0
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
32
32
32
32
Oversampling Ratio (OSR)
Oversampling Ratio (OSR)
Oversampling Ratio (OSR)
Oversampling Ratio (OSR)
Spectral Response.
Spurious Free Dynamic
Signal-to-Noise and
64
64
64
64
IN
= -0.5 dBFS @ 60 Hz.
128
128
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
128
128
Dithering ON
Dithering ON
Dithering ON
Dithering ON
Dithering ON
Dithering ON
Dithering ON
DD
Dithering ON
Dithering ON
Dithering ON
Dithering ON
Dithering ON
Dithering ON
= 5.0V, DV
256
256
256
256
DD
= 3.3 V; T
FIGURE 2-10:
Distortion vs. Gain (Dithering OFF).
FIGURE 2-11:
Distortion vs. Gain (Dithering ON).
FIGURE 2-12:
vs. Oversampling Ratio.
A
= +25°C, MCLK = 4 MHz; PRESCALE = 1; OSR =
100
100
100
100
100
100
100
95
95
95
95
95
95
95
90
90
90
90
90
90
85
85
85
85
85
85
80
80
80
80
80
75
75
75
75
75
70
70
70
70
70
65
65
65
65
60
60
60
60
55
55
55
50
50
50
100
100
100
100
100
100
100
95
95
95
95
95
95
95
90
90
90
90
90
90
85
85
85
85
85
85
80
80
80
80
80
75
75
75
75
75
70
70
70
70
65
65
65
65
60
60
60
55
55
55
50
50
OSR = 64
OSR = 64
OSR = 64
OSR = 64
OSR = 64
1
1
1
1
OSR = 32
OSR = 32
OSR = 32
OSR = 32
OSR = 32
OSR = 32
OSR = 32
OSR = 64
OSR = 64
OSR = 64
OSR = 64
2
2
2
2
Signal-to-Noise and
Signal-to-Noise and
Total Harmonic Distortion
© 2011 Microchip Technology Inc.
GAIN (V/V)
GAIN (V/V)
GAIN (V/V)
4
4
4
4
OSR = 256
OSR = 256
OSR = 256
OSR = 256
OSR = 256
OSR = 256
OSR = 256
OSR = 256
OSR = 256
OSR = 256
OSR = 256
OSR = 256
8
8
8
8
16
16
OSR = 128
OSR = 128
OSR = 128
OSR = 128
OSR = 128
16
16
OSR = 128
OSR = 128
OSR = 128
OSR = 128
OSR = 128
32
32
32
32