Datasheet
Table Of Contents
- 1.0 Electrical Characteristics
- 2.0 Typical Performance Curves
- FIGURE 2-1: INL Error vs. Input Voltage (VDD = 2.7V).
- FIGURE 2-2: INL Error vs. Input Voltage (VDD = 5.0V).
- FIGURE 2-3: INL Error vs. Input Voltage (VDD = 5.0V, VREF = 5V).
- FIGURE 2-4: Maximum INL Error vs. VREF.
- FIGURE 2-5: Maximum INL Error vs. Temperature.
- FIGURE 2-6: Output Noise vs. Input Voltage (VDD = 2.7V).
- FIGURE 2-7: Output Noise vs. Input Voltage (VDD = 5.0V).
- FIGURE 2-8: Output Noise vs. VREF.
- FIGURE 2-9: Output Noise vs.VDD.
- FIGURE 2-10: Output Noise vs. Temperature.
- FIGURE 2-11: Offset Error vs VDD (VCM = 0V).
- FIGURE 2-12: Offset Error vs. Temperature (VREF = 5.0V).
- FIGURE 2-13: Full Scale Error vs. VDD.
- FIGURE 2-14: Full Scale Error vs. Temperature.
- FIGURE 2-15: Full Scale Error vs. Temperature (VREF = 5.0V).
- FIGURE 2-16: MCP3550/1 Output Noise Histogram.
- FIGURE 2-17: MCP3553 Output Noise Histogram.
- FIGURE 2-18: Total Unadjusted Error (TUE) vs. Input Voltage (VDD = 2.7V).
- FIGURE 2-19: Total Unadjusted Error (TUE) vs. Input Voltage.
- FIGURE 2-20: Total Unadjusted Error (TUE) vs. Input Voltage (VREF = 5.0V).
- FIGURE 2-21: Maximum TUE vs. VREF.
- FIGURE 2-22: Maximum TUE vs. Temperature.
- FIGURE 2-23: Maximum TUE vs. VDD.
- FIGURE 2-24: IDDS vs. Temperature.
- FIGURE 2-25: IDD vs. VDD.
- FIGURE 2-26: IDD vs. Temperature.
- 3.0 Pin Descriptions
- 4.0 Device Overview
- FIGURE 4-1: MCP3550/1/3 Functional Block Diagram.
- 4.1 MCP3550/1/3 Delta-Sigma Modulator with Internal Offset and Gain Calibration
- 4.2 Digital Filter
- TABLE 4-1: data rate, output noise and Digital filter specificaTIons by device
- FIGURE 4-2: SINC Filter Response, MCP3550-50 Device.
- FIGURE 4-3: SINC Filter Response, MCP3550-60 Device.
- FIGURE 4-4: SINC Filter Response, MCP3551 Device, Simultaneous 50/60 Hz Rejection.
- FIGURE 4-5: SINC Filter Response at Integer Multiples of the Sampling Frequency (fs).
- 4.3 Internal Oscillator
- 4.4 Differential Analog Inputs
- 4.5 Voltage Reference Input Pin
- 4.6 Power-On Reset (POR)
- 4.7 Shutdown Mode
- 4.8 Sleep Mode
- 5.0 Serial Interface
- 6.0 Packaging Information
© 2009 Microchip Technology Inc. DS21950E-page 7
MCP3550/1/3
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise specified, T
A
= +25°C, V
DD
= 5V, V
REF
= 2.5V, V
SS
= 0V, V
CM
= V
REF
/2, V
IN
+ = V
IN
-.
All ppm units use 2*V
REF
as full scale range.
Unless otherwise noted, graphs apply to entire MCP3550/1/3 family.
FIGURE 2-1: INL Error vs. Input Voltage
(V
DD
= 2.7V).
FIGURE 2-2: INL Error vs. Input Voltage
(V
DD
= 5.0V).
FIGURE 2-3: INL Error vs. Input Voltage
(V
DD
= 5.0V, V
REF
= 5V).
FIGURE 2-4: Maximum INL Error vs.
V
REF
.
FIGURE 2-5: Maximum INL Error vs.
Temperature.
FIGURE 2-6: Output Noise vs. Input
Voltage (V
DD
= 2.7V).
Note: The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
-5
-4
-3
-2
-1
0
1
2
3
4
5
-2.5 -1.5 -0.5 0.5 1.5 2.5
V
IN
(V)
INL (ppm)
+125 C
+85 C
-40 C
+25 C
-5
-4
-3
-2
-1
0
1
2
3
4
5
-2.5 -1.5 -0.5 0.5 1.5 2.5
V
IN
(V)
INL (ppm)
+125 C
+85 C
+25 C
- 40 C
-10
-8
-6
-4
-2
0
2
4
6
8
10
-5 -4 -3 -2 -1 0 1 2 3 4 5
V
IN
(V)
INL (ppm)
+125 C
+85 C
+25 C
-40 C
0
2
4
6
8
10
00.511.522.533.544.55
V
REF
(V)
INL Error (ppm)
0
1
2
3
4
5
6
7
8
9
10
-50-250 255075100125
Temperature (°C)
Max INL (ppm)
0
1
2
3
4
5
6
7
8
9
10
-2.5 -1.5 -0.5 0.5 1.5 2.5
V
IN
(Volts)
Output Noise (µV
RMS
)
MCP3553
MCP3550/1