AD9739BBCZ Datasheet, PDF (10/48 Pages) Analog Devices – 14-Bit, 2.5 GSPS, RF Digital-to-Analog Converter

AD9739
Data Sheet
1 2 3 4 5 6 7 8 9 10 11 12 13 14
A
B
I120
C
VREF
D
IPTAT
E
IRQ
RESET
F
CS
SDIO
G
SCLK
SDO
H
J
K
L
M
N
P
Figure 6. Analog I/O and SPI Control Pins (Top View)
Table 7. AD9739 Pin Function Descriptions
Pin No.
Mnemonic
C1, C2, D1, D2, E1, E2, E3, E4
VDDC
A1, A2, A3, A4, A5, B1, B2, B3, B4, B5, C4,
C5, D4, D5
VSSC
A10, A11, B10, B11, C10, C11, D10, D11 VDDA
A12, A13, B12, B13, C12, C13, D12, D13, VSSA
A6, A9, B6, B9, C6, C9, D6, D9, F1, F2, F3,
F4, E11, E12, E13, E14, F11, F12
VSSA Shield
A14
NC
A7, B7, C7, D7
IOUTN
A8, B8, C8, D8
IOUTP
B14
I120
C14
VREF
D14
C3, D3
F13
NC
DACCLK_N/DACCLK_P
IRQ
F14
G13
G14
H13
H14
J3, J4, J11, J12
G1, G2, G3, G4, G11, G12
H1, H2, H3, H4, H11, H12, K3, K4, K11, K12
J1, J2
K1, K2
J13, J14
K13, K14
L1, M1
L2, M2
L3, M3
L4, M4
L5, M5
L6, M6
RESET
CS
SDIO
SCLK
SDO
VDD33
VDD
VSS
SYNC_OUT_P/SYNC_OUT_N
SYNC_IN_P/SYNC_IN_N
DCO_P/DCO_N
DCI_P/DCI_N
DB1[0]P/DB1[0]N
DB1[1]P/DB1[1]N
DB1[2]P/DB1[2]N
DB1[3]P/DB1[3]N
DB1[4]P/DB1[4]N
DB1[5]P/DB1[5]N
Description
1.8 V Clock Supply Input.
Clock Supply Return.
3.3 V Analog Supply Input.
Analog Supply Return.
Analog Supply Return Shield. Tie to VSSA at the DAC.
No Connect. Do not connect to this pin.
DAC Negative Current Output Source.
DAC Positive Current Output Source.
Nominal 1.2 V Reference. Tie to analog ground via a 10 kΩ
resistor to generate a 120 μA reference current.
Voltage Reference Input/Output. Decouple to VSSA with a
1 nF capacitor.
Factory Test Pin. Do not connect to this pin.
Negative/Positive DAC Clock Input (DACCLK).
Interrupt Request Open Drain Output. Active high. Pull up to
VDD33 with a 10 kΩ resistor.
Reset Input. Active high. Tie to VSS if unused.
Serial Port Enable Input.
Serial Port Data Input/Output.
Serial Port Clock Input.
Serial Port Data Output.
3.3 V Digital Supply Input.
1.8 V Digital Supply. Input.
Digital Supply Return.
Positive/Negative SYNC Output (SYNC_OUT)
Positive/Negative SYNC Input (SYNC_IN)
Positive/Negative Data Clock Output (DCO).
Positive/Negative Data Clock Input (DCI).
Port 1 Positive/Negative Data Input Bit 0.
Port 1 Positive/Negative Data Input Bit 1.
Port 1 Positive/Negative Data Input Bit 2.
Port 1 Positive/Negative Data Input Bit 3.
Port 1 Positive/Negative Data Input Bit 4.
Port 1 Positive/Negative Data Input Bit 5.
Rev. B | Page 10 of 48