AD9739BBCZ datasheet(10/48 Pages) AD

Numer części	AD9739BBCZ

Szczegółowy opis	14-Bit, 2.5 GSPS, RF Digital-to-Analog Converter

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Producent	AD [Analog Devices]

Strona internetowa	http://www.analog.com

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10 / 48 page

AD9739

Data Sheet

Rev. B | Page 10 of 48

A

B

C

D

E

F

G

H

J

K

L

M

N

P

14

13

12

11

10

8

7

6

3

2

19

5

4

IRQ

CS

SCLK

RESET

SDIO

SDO

I120

VREF

IPTAT

Figure 6. Analog I/O and SPI Control Pins (Top View)

Table

7. AD9739 Pin Function Descriptions

Pin No.

Mnemonic

Description

C1, C2, D1, D2, E1, E2, E3, E4

VDDC

1.8 V Clock Supply Input.

A1, A2, A3, A4, A5, B1, B2, B3, B4, B5, C4,

C5, D4, D5

VSSC

Clock Supply Return.

A10, A11, B10, B11, C10, C11, D10, D11

VDDA

3.3 V Analog Supply Input.

A12, A13, B12, B13, C12, C13, D12, D13,

VSSA

Analog Supply Return.

A6, A9, B6, B9, C6, C9, D6, D9, F1, F2, F3,

F4, E11, E12, E13, E14, F11, F12

VSSA Shield

Analog Supply Return Shield. Tie to VSSA at the DAC.

A14

NC

No Connect. Do not connect to this pin.

A7, B7, C7, D7

IOUTN

DAC Negative Current Output Source.

A8, B8, C8, D8

IOUTP

DAC Positive Current Output Source.

B14

I120

Nominal 1.2 V Reference. Tie to analog ground via a 10 kΩ

resistor to generate a 120 μA reference current.

C14

VREF

Voltage Reference Input/Output. Decouple to VSSA with a

1 nF capacitor.

D14

NC

Factory Test Pin. Do not connect to this pin.

C3, D3

DACCLK_N/DACCLK_P

Negative/Positive DAC Clock Input (DACCLK).

F13

IRQ

Interrupt Request Open Drain Output. Active high. Pull up to

VDD33 with a 10 kΩ resistor.

F14

RESET

Reset Input. Active high. Tie to VSS if unused.

G13

CS

Serial Port Enable Input.

G14

SDIO

Serial Port Data Input/Output.

H13

SCLK

Serial Port Clock Input.

H14

SDO

Serial Port Data Output.

J3, J4, J11, J12

VDD33

3.3 V Digital Supply Input.

G1, G2, G3, G4, G11, G12

VDD

1.8 V Digital Supply. Input.

H1, H2, H3, H4, H11, H12, K3, K4, K11, K12

VSS

Digital Supply Return.

J1, J2

SYNC_OUT_P/SYNC_OUT_N

Positive/Negative SYNC Output (SYNC_OUT)

K1, K2

SYNC_IN_P/SYNC_IN_N

Positive/Negative SYNC Input (SYNC_IN)

J13, J14

DCO_P/DCO_N

Positive/Negative Data Clock Output (DCO).

K13, K14

DCI_P/DCI_N

Positive/Negative Data Clock Input (DCI).

L1, M1

DB1[0]P/DB1[0]N

Port 1 Positive/Negative Data Input Bit 0.

L2, M2

DB1[1]P/DB1[1]N

Port 1 Positive/Negative Data Input Bit 1.

L3, M3

DB1[2]P/DB1[2]N

Port 1 Positive/Negative Data Input Bit 2.

L4, M4

DB1[3]P/DB1[3]N

Port 1 Positive/Negative Data Input Bit 3.

L5, M5

DB1[4]P/DB1[4]N

Port 1 Positive/Negative Data Input Bit 4.

L6, M6

DB1[5]P/DB1[5]N

Port 1 Positive/Negative Data Input Bit 5.

Podobny numer części - AD9739BBCZ

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Podobny opis - AD9739BBCZ

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