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Новосибирский государственный технический университет

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MCP3001

2.0TYPICAL PERFORMANCE CHARACTERISTICS

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.

Note: Unless otherwise indicated, VDD = VREF = 5V, fSAMPLE = 200 ksps, fCLK = 14*Sample Rate, TA = 25°C

	0.4
	0.3
	0.2		Positive INL
(LSB)	0.2
	0.1
	0.0
INL	-0.1
INL	-0.2		Negative INL
			Negative INL

	-0.3
	-0.4
	0	25	50	75	100	125 150	175	200 225	250

Sample Rate (ksps)

FIGURE 2-1: Integral Nonlinearity (INL) vs. Sample Rate.

	1.0
	0.8
	0.6
(LSB)	0.4		Positive INL
	0.2		Positive INL
	0.2
	0.0
INL	-0.2		Negative INL
	-0.4		Negative INL


	-0.6
	-0.8
	-1.0
	0	1	2	3	4	5	6

VREF (V)

FIGURE 2-2: Integral Nonlinearity (INL) vs. VREF.

	0.5
	0.4	VDD = VREF = 5V
	0.3	fSAMPLE = 200 ksps
(LSB)	0.2
	0.1
	0.0
INL	-0.1
INL	-0.2
	-0.2
	-0.3
	-0.4
	-0.5
	0	128	256	384	512	640	768	896	1024

Digital Code

FIGURE 2-3: Integral Nonlinearity (INL) vs. Code (Representative Part).

	0.4
	0.3	VDD = VREF = 2.7V
(LSB)	0.2		Positive INL
	0.1
	0.0
INL	-0.1
INL	-0.2		Negative INL
			Negative INL

	-0.3
	-0.4
	0	25	50	75	100

Sample Rate (ksps)

FIGURE 2-4: Integral Nonlinearity (INL) vs. Sample Rate (VDD = 2.7V).

	1.0				VDD = VREF= 2.7V
	0.8				VDD = VREF= 2.7V
	0.8
	0.6				fSAMPLE = 75 ksps
(LSB)	0.4			Positive INL
	0.2
	0.0
INL	-0.2
INL	-0.4			Negative INL
	-0.4			Negative INL
	-0.6
	-0.8
	-1.0
	0.0	0.5	1.0	1.5	2.0	2.5	3.0

VREF (V)

FIGURE 2-5:			Integral		Nonlinearity			(INL)		vs.		VREF
(VDD = 2.7V).
	0.50
	0.40	VDD = VREF = 2.7V
	0.30	fSAMPLE = 75 ksps
(LSB)	0.20
	0.10
	0.00

INL	-0.10
INL	-0.20
	-0.20
	-0.30
	-0.40
	-0.50
	0		128	256	384	512	640	768	896		1024

Digital Code

FIGURE 2-6: Integral Nonlinearity (INL) vs. Code (Representative Part, VDD = 2.7V).

DS21293C-page 6

♥ 2007 Microchip Technology Inc.

MCP3001

Note: Unless otherwise indicated, VDD = VREF = 5V, fSAMPLE = 200 ksps, fCLK = 14*Sample Rate,TA = 25°C

	0.4
	0.3
	0.3
	0.2			Positive INL
(LSB)	0.2
(LSB)	0.0
INL	0.1
INL	-0.1
	-0.1			Negative INL
				Negative INL
	-0.2
	-0.3
	-0.3
	-0.4
	-50	-25	0		25	50	75	100
			Temperature (°C)

FIGURE 2-7:		Integral			Nonlinearity		(INL)		vs.
Temperature.

	0.4
	0.3	VDD = VREF = 2.7V
	0.3	fSAMPLE = 75 ksps
		fSAMPLE = 75 ksps
	0.2	Positive INL

(LSB)	0.0
INL	0.1
	0.1
	-0.1


	-0.2			Negative INL
	-0.2
	-0.3
	-0.3
	-0.4
	-0.4
	-50	-25	0	25	50	75	100
			Temperature (°C)

FIGURE 2-10: Integral				Nonlinearity		(INL)		vs.

Temperature (VDD = 2.7V).

	0.4
	0.3
	0.2
(LSB)	0.1		Positive DNL
	0.1
	0.0
DNL	-0.1
DNL	-0.2			Negative DNL
				Negative DNL

	-0.3
	-0.4
	0	25	50	75	100	125	150	175	200	225	250

Sample Rate (ksps)

FIGURE 2-8: Differential Nonlinearity (DNL) vs. Sample Rate.

	1.0
	0.8
	0.6
(LSB)	0.4		Positive DNL
(LSB)	0.2
	0.2
DNL	0.0
	-0.2			Negative DNL
	-0.4			Negative DNL
	-0.4
	-0.6
	-0.8
	-1.0
	0	1	2	3	4	5

VREF (V)

FIGURE 2-9: Differential Nonlinearity (DNL) vs.

VREF.

0.4

0.3VDD = VREF = 2.7V

0.2

Positive DNL

(LSB)	0.1
(LSB)	0.0
DNL	-0.1		Negative DNL
DNL			Negative DNL
	-0.2
	-0.3
	-0.4
	0	25	50	75	100

Sample Rate (ksps)

FIGURE 2-11: Differential Nonlinearity (DNL) vs. Sample Rate (VDD = 2.7V).

	1.0
	0.8				VDD = VREF = 2.7V
	0.6				fSAMPLE = 75 ksps
(LSB)	0.4		Positive DNL
	0.2
	0.0
DNL	-0.2			Negative DNL
	-0.4			Negative DNL


	-0.6
	-0.8
	-1.0
	0.0	0.5	1.0	1.5	2.0	2.5	3.0

VREF(V)

FIGURE 2-12: Differential Nonlinearity (DNL) vs. VREF (VDD = 2.7V).

♥ 2007 Microchip Technology Inc.

DS21293C-page 7

MCP3001

Note: Unless otherwise indicated, VDD = VREF = 5V, fSAMPLE = 200 ksps, fCLK = 14*Sample Rate,TA = 25°C

	0.5	VDD = VREF = 5V
	0.4	VDD = VREF = 5V
	0.4	fSAMPLE = 200 ksps
	0.3	fSAMPLE = 200 ksps
	0.3
(LSB)	0.2
	0.1
	0.0
DNL	-0.1
DNL	-0.2
	-0.2
	-0.3
	-0.4
	-0.5
	0	128	256	384	512	640	768	896	1024

Digital Code

FIGURE 2-13: Differential					Nonlinearity		(DNL) vs.
Code (Representative Part).

	0.3
	0.2
	0.2
			Positive DNL
(LSB)	0.1
	0.0
	0.0
DNL	-0.1
DNL	-0.1			Negative DNL
				Negative DNL
	-0.2


	-0.3
	-50	-25	0		25	50	75	100

Temperature (°C)

FIGURE 2-14: Differential Nonlinearity (DNL) vs. Temperature.

	0.5	VDD = VREF = 2.7V
	0.4	VDD = VREF = 2.7V
	0.4	fSAMPLE = 75 ksps
	0.3	fSAMPLE = 75 ksps
	0.3
(LSB)	0.2
	0.1
	0.0
DNL	-0.1
DNL	-0.2
	-0.2
	-0.3
	-0.4
	-0.5
	0	128	256	384	512	640	768	896	1024

Digital Code

FIGURE 2-16: Differential Nonlinearity (DNL) vs. Code (Representative Part, VDD = 2.7V).

0.3 VDD = VREF = 2.7V

0.2fSAMPLE = 75 ksps

(LSB)	0.1				Positive DNL
	0.0
	0.0
DNL	-0.1
DNL	-0.1			Negative DNL
				Negative DNL
	-0.2


	-0.3
	-0.3
	-50	-25	0			25	50	75	100
			Temperature (°C)

FIGURE 2-17: Differential						Nonlinearity		(DNL) vs.
Temperature (VDD = 2.7V).

	1.0
	0.8		VDD = 2.7V
	0.6		VDD = 2.7V
(LSB)	0.6		fSAMPLE = 75 ksps
	0.4		fSAMPLE = 75 ksps
	0.4
	0.2
Error	0.0
Error	-0.2
Gain	-0.4	VDD = 5V
Gain	-0.6	fSAMPLE = 200 ksps
	-0.6	fSAMPLE = 200 ksps
	-0.8
	-1.0
	0	1	2	3	4	5

VREF(V)

FIGURE 2-15: Gain Error vs. VREF.

	8
	7
(LSB)	6	VDD = 5V
	6
	5	fSAMPLE = 200 ksps
	5
Error	4
Error	3		VDD = 2.7V
Offset	3		fSAMPLE = 75 ksps
	2		fSAMPLE = 75 ksps
	2
	1
	1
	0
	0.0	1.0	2.0	3.0	4.0	5.0

VREF (V)

FIGURE 2-18: Offset Error vs. VREF.

DS21293C-page 8

♥ 2007 Microchip Technology Inc.

MCP3001

Note: Unless otherwise indicated, VDD = VREF = 5V, fSAMPLE = 200 ksps, fCLK = 14*Sample Rate,TA = 25°C

	0.1
		VDD = VREF = 2.7V
(LSB)	0.0	fSAMPLE = 75 ksps					(LSB)
	0.0
	-0.1
Error	-0.1						Error
Error	-0.2						Error
Gain	-0.2						Offset
Gain	-0.3			VDD = VREF = 5V			Offset
				fSAMPLE = 200 ksps
	-0.4
	-50	-25	0	25	50	75	100

Temperature (°C)

1.0

0.9VDD = VREF = 5V

0.8fSAMPLE = 200 ksps

0.7

0.6

0.5VDD = VREF = 2.7V

0.4	fSAMPLE = 75 ksps
0.4	fSAMPLE = 75 ksps
0.3
0.3
0.2
0.2
0.1
0.1
0.0
0.0
-50	-25	0	25	50	75	100

Temperature (°C)

FIGURE 2-19: Gain Error vs. Temperature.

FIGURE 2-22: Offset Error vs. Temperature.

	70
	60
(dB)	50
(dB)	40	VDD = VREF = 2.7V	VDD = VREF = 5V
SNR	30	fSAMPLE = 75 ksps	fSAMPLE = 200 ksps
SNR	20
	20
	10
	0
	1	10	100

Input Frequency (kHz)

FIGURE 2-20: Signal to Noise Ratio (SNR) vs. Input
Frequency.
	0
	-10
	-20
(dB)	-30	VDD = VREF = 2.7V	VDD = VREF = 5V
	-40	fSAMPLE = 75 ksps	fSAMPLE = 200 ksps
	-50
THD	-50
	-60
	-70
	-70
	-80
	-90
	-100
	1	10	100

Input Frequency (kHz)

FIGURE 2-21: Total Harmonic Distortion (THD) vs. Input Frequency.

	70
	60
(dB)	50
(dB)	40	VDD = VREF = 2.7V	VDD = VREF = 5V
SINAD		fSAMPLE = 75 ksps	VDD = VREF = 5V
	30	fSAMPLE = 75 ksps	fSAMPLE = 200 ksps
	30		fSAMPLE = 200 ksps
	20
	10
	0
	1	10	100

Input Frequency (kHz)

FIGURE 2-23: Signal to Noise Ratio and Distortion (SINAD) vs. Input Frequency.

	80
	70
	60	VDD = VREF = 5V
(dB)	50	fSAMPLE = 200 ksps
	50
	40
SINAD	40
	30
	20
	20		VDD = VREF = 2.7V
	10		VDD = VREF = 2.7V
	10		fSAMPLE = 75 ksps
			fSAMPLE = 75 ksps
	0
	-40	-35	-30	-25	-20	-15	-10	-5	0

Input Signal Level (dB)

FIGURE 2-24: Signal to Noise and Distortion (SINAD) vs. Input Signal Level.

♥ 2007 Microchip Technology Inc.

DS21293C-page 9

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