AD7877 datasheet(11/46 Pages) AD

номер детали	AD7877

подробное описание детали	Touch Screen Controller

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производитель	AD [Analog Devices]

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AD7877

Data Sheet

Rev. E | Page 10 of 45

1.0

–1.0

–0.8

–0.6

–0.4

–0.2

0

0.2

0.4

0.6

0.8

0

500

1000

1500

2000

2500

3000

3500

4000

CODE

Figure 12. ADC DNL Plot

22

8

10

12

14

16

18

20

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

VCC (V)

Y+ TO VCC

Y– TO GND

X+ TO VCC

X– TO GND

Figure 13. Switch On Resistance vs. VCC

(X+, Y+: VCC to Pin; X−, Y−: Pin to GND)

22

8

10

12

14

16

18

20

–40

–20

0

20

40

60

80

TEMPERATURE (°C)

Y+ TO VCC

Y– TO GND

X+ TO VCC

X– TO GND

Figure 14. Switch On Resistance vs. Temperature

(X+, Y+: VCC to Pin; X−, Y−: Pin to GND)

16

14

12

10

8

6

4

2

0

–50

90

70

50

30

10

–10

–30

TEMPERATURE (

C)

Figure 15. External Reference Current vs. Temperature

2.520

2.515

2.510

2.505

2.500

2.495

2.490

2.485

2.480

2.475

–50

–30

–10

10

30507090

TEMPERATURE (

C)

Figure 16. Internal VREF vs. Temperature

2.508

2.496

2.498

2.500

2.502

2.504

2.506

2.6

2.9

3.2

3.5

3.8

4.1

4.4

4.7

5.0

VCC (V)

Figure 17. Internal VREF vs. VCC

Аналогичный номер детали - AD7877

производитель	номер детали	датащи	подробное описание детали
Analog Devices	AD7877	1,002Kb / 44P	Touch Screen Controller REV. A
	AD7877	395Kb / 6P	Tape and Reel Packaging
	AD7877	395Kb / 6P	Tape and Reel Packaging
	AD7877ACP-500RL7	1,002Kb / 44P	Touch Screen Controller REV. A
	AD7877ACP-REEL	1,002Kb / 44P	Touch Screen Controller REV. A

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Аналогичное описание - AD7877

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Integrated Device Techn...	MK712	418Kb / 21P	TOUCH SCREEN CONTROLLER
Texas Instruments	ADS7843	652Kb / 18P	[Old version datasheet] TOUCH SCREEN CONTROLLER
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Burr-Brown (TI)	ADS7846	520Kb / 23P	TOUCH-SCREEN CONTROLLER
Asahi Kasei Microsystem...	AK4182	190Kb / 18P	Touch Screen Controller
List of Unclassifed Man...	XPT2046	821Kb / 30P	Touch Screen Controller 2007
Burr-Brown (TI)	ADS7845	173Kb / 12P	TOUCH SCREEN CONTROLLER
Integrated Circuit Syst...	MK715	376Kb / 22P	Touch Screen Controller
Analog Devices	AD7877	1,002Kb / 44P	Touch Screen Controller REV. A
Anpec Electronics Corop...	APT7846	583Kb / 15P	Touch Screen Controller
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