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Московский технический университет связи и информатики

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Основы телевидения

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AD9233

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

		48 DRVDD 47 DRGND 46 NC	45 NC 44 DCO 43 OEB 42 AVDD 41 AGND 40 AVDD 39 CLK–	38 CLK+ 37 AGND
(LSB) D0	1				36	PDWN
D1	2				35	RBIAS
D2	3				34	CML
D3	4		AD9233		33	AVDD
D4	5		TOP VIEW		32	AGND
D5	6		(Not to Scale)		31	VIN–
DRGND	7				30	VIN+
DRVDD	8				29	AGND
D6	9	PIN 0 (EXPOSED PADDLE): AGND			28	REFT
D7	10	PIN 0 (EXPOSED PADDLE): AGND			27	REFB
D7	10				27	REFB
D8	11				26	VREF
D9	12				25	SENSE

D10 13 (MSB) D11 14 OR 15 DRGND 16 DRVDD 17 SDIO/DCS 18 SCLK/DFS 19 CSB 20 AGND 21 AVDD 22 AGND 23 AVDD 24

NC = NO CONNECT

Figure 3. Pin Configuration

05492-003

Table 7. Pin Function Description

Pin No.	Mnemonic	Description
0, 21, 23, 29,	AGND	Analog Ground. (Pin 0 is the exposed thermal pad on the bottom of the package.)
32, 37, 41
1 to 6, 9 to 14	D0 (LSB) to D11 (MSB)	Data Output Bits.
7, 16, 47	DRGND	Digital Output Ground.
8, 17, 48	DRVDD	Digital Output Driver Supply (1.8 V to 3.3 V).
15	OR	Out-of-Range Indicator.
18	SDIO/DCS	Serial Port Interface (SPI)® Data Input/Output (Serial Port Mode); Duty Cycle Stabilizer Select
		(External Pin Mode). See Table 10.
19	SCLK/DFS	SPI Clock (Serial Port Mode); Data Format Select Pin (External Pin Mode). See Table 10.
20	CSB	SPI Chip Select (Active Low).
22, 24, 33, 40, 42	AVDD	Analog Power Supply.
25	SENSE	Reference Mode Selection. See Table 9.
26	VREF	Voltage Reference Input/Output.
27	REFB	Differential Reference (−).
28	REFT	Differential Reference (+).
30	VIN+	Analog Input Pin (+).
31	VIN–	Analog Input Pin (−).
34	CML	Common-Mode Level Bias Output.
35	RBIAS	External Bias Resister Connection. A 10 kΩ resister must be connected between this pin and
		analog ground (AGND).
36	PDWN	Power-Down Function Select.
38	CLK+	Clock Input (+).
39	CLK–	Clock Input (−).
43	OEB	Output Enable (Active Low).
44	DCO	Data Clock Output.
45, 46	NC	No Connection.

Rev. B | Page 9 of 44

AD9233

EQUIVALENT CIRCUITS

VIN
	05492-004
Figure 4. Equivalent Analog Input Circuit
	AVDD
	1.2V
10kΩ	10kΩ
CLK+	CLK–
	05492-005
Figure 5. Equivalent Clock Input Circuit
DRVDD
SDIO/DCS	1kΩ
SDIO/DCS
	05492-006

Figure 6. Equivalent SDIO/DCS Input Circuit

DRVDD

DRGND

05492-007

Figure 7. Equivalent Digital Output Circuit

	SCLK/DFS	1kΩ
	SCLK/DFS
	OEB	30kΩ
	PDWN	30kΩ
	PDWN

05492-008

Figure 8. Equivalent SCLK/DFS, OEB, PDWN Input Circuit

AVDD
26kΩ	1kΩ
CSB
	05492-010

Figure 9. Equivalent CSB Input Circuit

1kΩ

SENSE

05492-011

Figure 10. Equivalent SENSE Circuit

AVDD

VREF

6kΩ 012

-05492

Figure 11. Equivalent VREF Circuit

Rev. B | Page 10 of 44

AD9233

TYPICAL PERFORMANCE CHARACTERISTICS

AVDD = 1.8 V; DRVDD = 2.5 V; maximum sample rate, DCS enabled, 1 V internal reference; 2 V p-p differential input; AIN = −1.0 dBFS; 64k sample; TA = 25°C, unless otherwise noted. All figures show typical performance for all speed grades.

	0
				125MSPS
	–20			2.3MHz @ –1dBFS
	–20			SNR = 69.5dBc (70.5dBFS)
				ENOB = 11.2 BITS
				SFDR = 90.0dBc
(dBFS)	–40
(dBFS)	–60
AMPLITUDE	–60
	–80
	–100
	–100
	–120				05492-013
	–140				05492-013
	–140	15.625	31.250	46.875	62.500
	0	15.625	31.250	46.875	62.500
			FREQUENCY (MHz)

	Figure 12. AD9233-125 Single-Tone FFT with FIN = 2.3 MHz
	0
				125MSPS
	–20			30.3MHz @ –1dBFS
	–20			SNR = 69.5dBc (70.5dBFS)
				ENOB = 11.2 BITS
				SFDR = 88.8dBc
(dBFS)	–40
(dBFS)	–60
AMPLITUDE	–60
	–80
	–100
	–100
	–120				05492-014
	–140				05492-014
	–140	15.625	31.250	46.875	62.500
	0	15.625	31.250	46.875	62.500
			FREQUENCY (MHz)

	Figure 13. AD9233-125 Single-Tone FFT with FIN = 30.3 MHz
	0	125MSPS
		125MSPS
		70.3MHz @ –1dBFS
	–20	SNR = 69.5dBc (70.5dBFS)
		ENOB = 11.2 BITS
	–40	SFDR = 85.0dBc
(dBFS)	–40
(dBFS)	–60
AMPLITUDE	–60
	–80
	–100
	–100
	–120				05492-015
	–140				05492-015
	–140	15.625	31.250	46.875	62.500
	0	15.625	31.250	46.875	62.500
			FREQUENCY (MHz)

Figure 14. AD9233-125 Single-Tone FFT with FIN = 70.3 MHz

	0			125MSPS
				125MSPS
	–20			100.3MHz @ –1dBFS
	–20			SNR = 69.4dBc (70.4dBFS)
				ENOB = 11.2 BITS
	–40			SFDR = 85.0dBc
(dBFS)	–40
(dBFS)	–60
AMPLITUDE	–60
	–80
	–100
	–100
	–120				05492-016
	–140				05492-016
	–140	15.625	31.250	46.875	62.500
	0	15.625	31.250	46.875	62.500

FREQUENCY (MHz)

	Figure 15. AD9233-125 Single-Tone FFT with FIN = 100.3 MHz
	0			125MSPS
				125MSPS
				140.3MHz @ –1dBFS
	–20			SNR = 69.0dBc (70.0dBFS)
				ENOB = 11.1 BITS
	–40			SFDR = 85.0dBc
(dBFS)	–40
(dBFS)	–60
AMPLITUDE	–60
	–80
	–100
	–100
	–120				05492-017
	–140				05492-017
	–140	15.625	31.250	46.875	62.500
	0	15.625	31.250	46.875	62.500

FREQUENCY (MHz)

	Figure 16. AD9233-125 Single-Tone FFT with FIN = 140.3 MHz
	0	125MSPS
		125MSPS
		170.3MHz @ –1dBFS
	–20	SNR = 68.9dBc (69.9dBFS)
		ENOB = 11.1 BITS
	–40	SFDR = 83.5dBc
(dBFS)	–40
(dBFS)	–60
AMPLITUDE	–60
	–80
	–100
	–100
	–120				05492-018
	–140				05492-018
	–140	15.625	31.250	46.875	62.500
	0	15.625	31.250	46.875	62.500
			FREQUENCY (MHz)

Figure 17. AD9233-125 Single-Tone FFT with FIN = 170.3 MHz

Rev. B | Page 11 of 44

AD9233
	0					125MSPS							100
						125MSPS
						225.3MHz @ –1dBFS							95
	–20					SNR = 68.5dBc (69.5dBFS)							95
						ENOB = 11.0 BITS								SFDR = –40°C
	–40					SFDR = 80.4dBc							90
(dBFS)	–40											(dBc)						SFDR = +25°C
													85					SFDR = +25°C
	–60

AMPLITUDE												SNR/SFDR		SNR = +25°C	SNR = –40°C
AMPLITUDE												SNR/SFDR	80	SNR = +25°C	SNR = –40°C
													80			SFDR = +85°C
	–80															SFDR = +85°C
	–80												75
													75
	–100												70
													70
	–120										05492-019		65	SNR = +85°C					05492-021
	–140 0										05492-019		60 0						05492-021
	–140 0		15.625		31.250			46.875		62.500			60 0	50		100	150	200	250
					FREQUENCY (MHz)										INPUT FREQUENCY (MHz)
	Figure 18. AD9233-125 Single-Tone FFT with FIN = 225.3 MHz													Figure 21. AD9233 Single-Tone SNR/SFDR vs.
													Input Frequency (FIN) and Temperature with 2 V p-p Full Scale
	0												100
		125MSPS
		300.3MHz @ –1dBFS											95
	–20 SNR = 67.8dBc (68.8dBFS)												95
	–20 SNR = 67.8dBc (68.8dBFS)
		ENOB = 10.8 BITS												SFDR = +85°C
		SFDR = 77.4dBc											90	SFDR = +85°C				SFDR = +25°C
	–40												90					SFDR = +25°C
(dBFS)	–40											(dBc)
(dBFS)	–60											(dBc)	85
													85
AMPLITUDE												SNR/SFDR				SFDR = –40°C
AMPLITUDE												SNR/SFDR	80
													80
	–80												75
													75
	–100												70	SNR = +25°C	SNR = –40°C
													70	SNR = +25°C	SNR = –40°C
	–120										05492-029		65						05492-022
	–140 0										05492-029		60 0	SNR = +85°C					05492-022
														SNR = +85°C
			15.625		31.250			46.875		62.500				50		100	150	200	250
					FREQUENCY (MHz)										INPUT FREQUENCY (MHz)
	Figure 19. AD9233-125 Single-Tone FFT with FIN = 300.3 MHz													Figure 22. AD9233 Single-Tone SNR/SFDR vs.
													Input Frequency (FIN) and Temperature with 1 V p-p Full Scale
	120												1.0
	100		SFDR (dBFS)										0.8
	100											(%FSR)ERRORGAIN/OFFSET				OFFSET ERROR
dBFS)and(dBcSNR/SFDR							85dB REFERENCE LINE					(%FSR)ERRORGAIN/OFFSET	–0.5			OFFSET ERROR
													0.5
	80		SNR (dBFS)										0.3
													0.3
	60												0			GAIN ERROR
																GAIN ERROR
	40												–0.3
	40	SFDR (dBc)
		SFDR (dBc)
	20												–0.8						-031
					SNR (dBc)								–0.8

																			05492
	0												–1.0						05492
	0										-091		–1.0	–20	0	20	40	60
	–90	–80	–70	–60	–50	–40	–30	–20	–10	0	-091		–40	–20	0	20	40	60	80
				INPUT AMPLITUDE (dBFS)							05492					TEMPERATURE (°C)

Figure 20. AD9233 Single-Tone SNR/SFDR vs.	Figure 23. AD9233 Gain and Offset vs. Temperature
Input Amplitude (AIN) with FIN = 2.4 MHz

Rev. B | Page 12 of 44

	0
				125MSPS
	–20			29.1MHz @ –7dBFS
	–20			32.1MHz @ –7dBFS
				32.1MHz @ –7dBFS
				SFDR = 85dBc (92dBFS)
(dBFS)	–40
(dBFS)	–60
AMPLITUDE	–60
	–80
	–100
	–100
	–120				05492-024
	–140 0				05492-024
	–140 0	15.625	31.250	46.875	62.500

FREQUENCY (MHz)

Figure 24. AD9233-125 Two-Tone FFT with FIN1 = 29.1 MHz, FIN2 = 32.1 MHz
	0	125MSPS
		125MSPS
	–20	169.1MHz @ –7dBFS
	–20	172.1MHz @ –7dBFS
		SFDR = 84dBc (91dBFS)
(dBFS)	–40
(dBFS)	–60
AMPLITUDE	–60
	–80
	–100
	–100
	–120				05492-025
	–1400				05492-025
	–1400	15.625	31.250	46.875	62.500

FREQUENCY (MHz)

Figure 25. AD9233-125 Two-Tone FFT with FIN1 = 169.1 MHz, FIN2 = 172.1 MHz

	0
	–20
(dBFS)	–40
AMPLITUDE	–80
	–60

–100				05492-086
–120 0				05492-086
–120 0	15.36	30.72	46.08	61.44

FREQUENCY (MHz)

Figure 26. AD9233-125 Two 64k WCDMA Carriers with FIN = 215.04 MHz, FS = 122.88 MSPS

							AD9233
	0
	–20
dBFS)				SFDR (dBc)
dBFS)	–40
and	–40
and		IMD3 (dBc)
(dBc	–60
SFDR/IMD3	–80
SFDR/IMD3			SFDR (dBFS)
			SFDR (dBFS)
	–100							-035
						IMD3 (dBFS)		-035
						IMD3 (dBFS)		05492
	–120–90							05492
	–120–90	–78	–66	–54	–42	–30	–18	–6
			ANALOG INPUT LEVEL (dBFS)

		Figure 27. AD9233 Two-Tone SFDR/IMD vs.
	Input Amplitude (AIN) with FIN1 = 29.1 MHz, FIN2 = 32.1 MHz
	0
	–20
dBFS)				SFDR (dBc)
dBFS)	–40
and		IMD3 (dBFS)
and
(dBc	–60
(dBc
SFDR/IMD3	–80
	SFDR (dBFS)

	–100
	–120–90		IMD3 (dBFS)						-080
	–120–90	–78	–66	–54	–42	–30	–18	–6	-080
			INPUT AMPLITUDE (dBFS)						05492

Figure 28. AD9233 Two-Tone SFDR/IMD vs.

Input Amplitude (AIN) with FIN1 = 169.1 MHz, FIN2 = 172.1 MHz

NPR = 61.9dBc

–20 NOTCH @ 18.5MHz

NOTCH WIDTH = 3MHz

(dBFS)	–40
AMPLITUDE	–80
	–60

–100
–100				05492-090
–120 0				05492-090
–120 0	15.625	31.250	46.875	62.500

FREQUENCY (MHz)

Figure 29. AD9233-125 Noise Power Ratio

Rev. B | Page 13 of 44

AD9233
	100								10
												0.34 LSB rms
	95			SFDR					8
				SFDR

	90
SNR/SFDR (dBc)	85								6
	85
	80								4
									4
	75								NUMBERHITS(1M)OF
	75
	70			SNR					2
	70							05492-027				05492-085
	65							05492-027	0			05492-085
	65	5	25	45	65	85	105	125	0	N–1	N	N+1

CLOCK FREQUENCY (MSPS)	OUTPUT CODE
Figure 30. AD9233 Single-Tone SNR/SFDR vs.	Figure 33. AD9233 Grounded Input Histogram
Clock Frequency (FS) with FIN = 2.4 MHz

	100
		SFDR DCS = ON
	90
	80		SFDR DCS = OFF		INLERROR (LSB)
SNR/SFDR(dBc)	80
SNR/SFDR(dBc)	60			SNR DCS = ON
	70
	50				-026
					-026
	40			SNR DCS = OFF	05492
				SNR DCS = OFF
		20	40	60	80
			DUTY CYCLE (%)

0.35

0.25

0.15

0.05

–0.05

–0.15

–0.25
–0.25				05492-023
–0.35 0				05492-023
–0.35 0	1024	2048	3072	4096

OUTPUT CODE

Figure 31. AD9233 SNR/SFDR vs. Duty Cycle with FIN = 10.3 MHz	Figure 34. AD9233 INL with FIN = 10.3 MHz

	90	SFDR
		SFDR
	85
(dBc)	80				(LSB)
SNR/SFDR	75				DNLERROR
	75
	70		SNR
			SNR		05492-028
	650.5				05492-028
	650.5	0.7	0.9	1.1	1.3
		INPUT COMMON-MODE VOLTAGE (V)

0.15
0.10
0.05
0
–0.05
–0.10				05492-020
–0.15 0				05492-020
–0.15 0	1024	2048	3072	4096

OUTPUT CODE

	Figure 32. AD9233 SNR/SFDR vs.	Figure 35. AD9233 DNL with FIN = 10.3 MHz
	Input Common Mode (VCM) with FIN = 30 MHz	Figure 35. AD9233 DNL with FIN = 10.3 MHz
	Input Common Mode (VCM) with FIN = 30 MHz

Rev. B | Page 14 of 44

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