Datasheet
Table Of Contents
- Features
- Applications
- Description
- Package Types
- Functional Block Diagram
- 1.0 Electrical Characteristics
- PIN FUNCTION TABLE
- electrical characteristics
- 2.0 Typical Performance Characteristics
- FIGURE 2-1: Integral Nonlinearity (INL) vs. Sample Rate.
- FIGURE 2-2: Integral Nonlinearity (INL) vs. Vref.
- FIGURE 2-3: Integral Nonlinearity (INL) vs. Code (Representative Part).
- FIGURE 2-4: Integral Nonlinearity (INL) vs. Sample Rate (Vdd = 2.7V).
- FIGURE 2-5: Integral Nonlinearity (INL) vs. Vref (Vdd = 2.7V).
- FIGURE 2-6: Integral Nonlinearity (INL) vs. Code (Representative Part, Vdd = 2.7V).
- FIGURE 2-7: Integral Nonlinearity (INL) vs. Temperature.
- FIGURE 2-8: Differential Nonlinearity (DNL) vs. Sample Rate.
- FIGURE 2-9: Differential Nonlinearity (DNL) vs. Vref.
- FIGURE 2-10: Integral Nonlinearity (INL) vs. Temperature (Vdd = 2.7V).
- FIGURE 2-11: Differential Nonlinearity (DNL) vs. Sample Rate (Vdd = 2.7V).
- FIGURE 2-12: Differential Nonlinearity (DNL) vs. Vref (Vdd = 2.7V).
- FIGURE 2-13: Differential Nonlinearity (DNL) vs. Code (Representative Part).
- FIGURE 2-14: Differential Nonlinearity (DNL) vs. Temperature.
- FIGURE 2-15: Gain Error vs. Vref.
- FIGURE 2-16: Differential Nonlinearity (DNL) vs. Code (Representative Part, Vdd = 2.7V).
- FIGURE 2-17: Differential Nonlinearity (DNL) vs. Temperature (Vdd = 2.7V).
- FIGURE 2-18: Offset Error vs. Vref.
- FIGURE 2-19: Gain Error vs. Temperature.
- FIGURE 2-20: Signal to Noise Ratio (SNR) vs. Input Frequency.
- FIGURE 2-21: Total Harmonic Distortion (THD) vs. Input Frequency.
- FIGURE 2-22: Offset Error vs. Temperature.
- FIGURE 2-23: Signal to Noise Ratio and Distortion (SINAD) vs. Input Frequency.
- FIGURE 2-24: Signal to Noise and Distortion (SINAD) vs. Input Signal Level.
- FIGURE 2-25: Effective Number of Bits (ENOB) vs. Vref.
- FIGURE 2-26: Spurious Free Dynamic Range (SFDR) vs. Input Frequency.
- FIGURE 2-27: Frequency Spectrum of 10kHz Input (Representative Part).
- FIGURE 2-28: Effective Number of Bits (ENOB) vs. Input Frequency.
- FIGURE 2-29: Power Supply Rejection (PSR) vs. Ripple Frequency.
- FIGURE 2-30: Frequency Spectrum of 1kHz Input (Representative Part, Vdd = 2.7V).
- FIGURE 2-31: Idd vs. Vdd.
- FIGURE 2-32: Idd vs. Clock Frequency.
- FIGURE 2-33: Idd vs. Temperature.
- FIGURE 2-34: Iref vs. Vdd.
- FIGURE 2-35: Iref vs. Clock Frequency.
- FIGURE 2-36: Iref vs. Temperature.
- FIGURE 2-37: Idds vs. Vdd.
- FIGURE 2-38: Idds vs. Temperature.
- FIGURE 2-39: Analog Input Leakage Current vs. Temperature.
- 3.0 Pin Descriptions
- 4.0 Device Operation
- 5.0 Serial Communications
- 6.0 Applications Information
- 7.0 Packaging Information
- Appendix A: Revision History
- Product Identification System
- Worldwide Sales and Service
MCP3001
DS21293C-page 14 © 2007 Microchip Technology Inc.
FIGURE 4-1: Analog Input Model.
FIGURE 4-2: Maximum Clock Frequency vs. Input
Resistance (R
S
) to maintain less than a 0.1LSB
deviation in INL from nominal conditions.
C
PIN
VA
R
SS
CHx
7pF
V
T
= 0.6V
V
T
= 0.6V
I
LEAKAGE
Sampling
Switch
SS
R
S
= 1 kΩ
C
SAMPLE
= DAC capacitance
V
SS
V
DD
= 20 pF
±1 nA
Legend
VA = signal source
R
SS
= source impedance
CHx = input channel pad
C
PIN
= input pin capacitance
V
T
= threshold voltage
I
LEAKAGE
= leakage current at the pin
due to various junctions
SS = sampling switch
R
S
= sampling switch resistor
C
SAMPLE
= sample/hold capacitance
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
100 1000 10000
Input Resistance (Ohms)
Clock Frequency (MHz)
V
DD
= V
REF
= 5V
f
SAMPLE
= 200 ksps
V
DD
= V
REF
= 2.7V
f
SAMPLE
= 75 ksps