MCP3903-I/SS Microchip Technology, MCP3903-I/SS Datasheet - Page 11

• 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

Note: Unless otherwise indicated, AV
64; GAIN = 1; Dithering OFF; V
.
FIGURE 2-13:
vs. Input Signal Frequency.
FIGURE 2-14:
vs. Temperature.
FIGURE 2-15:
Distortion vs. Input Signal Frequency.
© 2011 Microchip Technology Inc.
100
100
100
100
100
100
100
90
90
90
90
90
90
90
80
80
80
80
80
80
70
70
70
70
70
70
60
60
60
60
60
50
50
50
50
50
40
40
40
40
40
30
30
30
30
20
20
20
20
10
10
10
0
0
0
-100
-100
-100
-120
-120
-120
-100
-100
-100
-100
-120
-120
-110
-110
-110
-20
-20
-20
-20
-20
-20
-40
-40
-40
-40
-40
-40
-60
-60
-60
-60
-60
-80
-80
-80
-80
-60
-60
-60
-60
-60
-60
-60
-70
-70
-70
-70
-70
-70
-80
-80
-80
-80
-80
-90
-90
-90
-90
-90
80
0
0
0
0
0
0
0
20
20
-40 -20
-40 -20
20
20
50
50
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
Dithering OFF
Dithering ON
Dithering ON
Dithering ON
Dithering ON
Dithering ON
Dithering ON
Dithering ON
Dithering ON
Dithering ON
Dithering ON
50
50
Input Frequency (Hz)
Input Frequency (Hz)
Input Frequency (Hz)
Total Harmonic Distortion
Total Harmonic Distortion
Signal-to-Noise and
100
100
Temperature (°C)
Temperature (°C)
0
0
100
100
25
25
200
200
200
200
IN
= -0.5 dBFS @ 60 Hz.
45
45
500
500
500 1000 2000
500 1000 2000
DD
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
OSR 64
OSR=64
OSR=64
OSR=64
OSR=64
OSR=64
OSR=64
85 105 125
85 105 125
fs=15 625KHz
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
OSR=64
OSR=64
OSR=64
= 5.0V, DV
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
OSR=64
OSR=64
OSR=64
OSR=64
OSR=64
OSR=64
1000 2000
1000 2000
DD
= 3.3 V; T
FIGURE 2-16:
Distortion vs. Temperature.
FIGURE 2-17:
Distortion vs. Input Signal Amplitude.
FIGURE 2-18:
Distortion vs. Master Clock.
A
= +25°C, MCLK = 4 MHz; PRESCALE = 1; OSR =
-10
-10
90
90
90
90
90
90
90
80
80
80
80
80
80
80
70
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70
70
70
70
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60
60
50
50
50
50
50
40
40
40
40
40
30
30
30
30
20
20
20
20
10
10
10
0.00001
0.00001
120
120
120
120
120
120
120
100
100
100
100
100
100
0
0
0
80
80
80
80
80
80
60
60
60
60
60
40
40
40
40
20
20
20
0
0
-40
-40
Input Signal Amplitude (mV)
Input Signal Amplitude (mV)
0.001
0.001
-20
-20
Signal-to-Noise and
Signal-to-Noise and
Signal-to-Noise and
0
0
Temperature (°C)
25
25
0.1
0.1
MCP3903
45
45
DS25048B-page 11
85
85
10
10
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
fs=15.625KHz
OSR=64
OSR=64
OSR=64
OSR=64
OSR=64
OSR=64
105 125
105 125
1000
1000