Analog Devices AD9843A manual Pin Configuration, Pin Function Descriptions

AD9843A

PIN CONFIGURATION

SCK SDATA SL NC STBY NC THREE-STATE DVSS DVDD2 VRB VRT CML

DRVSS 1

DRVSS 2

(LSB) D0 3 D1 4 D2 5 D3 6

D4 7

D5 8

D6 9

D7 10

D8 11 (MSB) D9 12

NC = NO CONNECT

48 47 46 45 44 43 42 41 4039 38 37

PIN 1

IDENTIFIER

AD9843A

TOP VIEW

(Not to Scale)

13	14	15	16	17	18	19	20	21	22	23	24
DRVDD	DRVSS	DVSS	DATACLK	DVDD1	DVSS	PBLK	CLPOB	SHP	SHD	CLPDM	DVSS

36AUX1IN

35AVSS

34AUX2IN

33AVDD2

32BYP4

31NC

30CCDIN

29BYP2

28BYP1

27AVDD1

26AVSS

25AVSS

PIN FUNCTION DESCRIPTIONS

Pin Number	Name	Type	Description
1, 2	DRVSS	P	Digital Driver Ground
3–12	D0–D9	DO	Digital Data Outputs
13	DRVDD	P	Digital Output Driver Supply
14	DRVSS	P	Digital Output Driver Ground
15, 18, 24, 41	DVSS	P	Digital Ground
16	DATACLK	DI	Digital Data Output Latch Clock
17	DVDD1	P	Digital Supply
19	PBLK	DI	Preblanking Clock Input
20	CLPOB	DI	Black Level Clamp Clock Input
21	SHP	DI	CDS Sampling Clock for CCD’s Reference Level
22	SHD	DI	CDS Sampling Clock for CCD’s Data Level
23	CLPDM	DI	Input Clamp Clock Input
25, 26, 35	AVSS	P	Analog Ground
27	AVDD1	P	Analog Supply
28	BYP1	AO	Internal Bias Level. Decoupling
29	BYP2	AO	Internal Bias Level Decoupling
30	CCDIN	AI	Analog Input for CCD Signal
31	NC	NC	Leave Floating or Decouple to Ground with 0.1 μF
32	BYP4	AO	Internal Bias Level Decoupling
33	AVDD2	P	Analog Supply
34	AUX2IN	AI	Analog Input
36	AUX1IN	AI	Analog Input
37	CML	AO	Internal Bias Level Decoupling
38	VRT	AO	A/D Converter Top Reference Voltage Decoupling
39	VRB	AO	A/D Converter Bottom Reference Voltage Decoupling
40	DVDD2	P	Digital Supply
42	THREE-STATE	DI	Digital Output Disable. Active High
43	NC	NC	May be tied High or Low. Should not be left floating.
44	STBY	DI	Standby Mode, Active High. Same as Serial Interface Standby Mode
45	NC	NC	Internally Not Connected. May be Tied High or Low
46	SL	DI	Serial Digital Interface Load Pulse
47	SDATA	DI	Serial Digital Interface Data
48	SCK	DI	Serial Digital Interface Clock

TYPE: AI = Analog Input, AO = Analog Output, DI = Digital Input, DO = Digital Output, P = Power.

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