AD9831ASTZ Analog Devices Inc, AD9831ASTZ Datasheet - Page 7

• Manufacturer Part Number: AD9831ASTZ
• Description: IC DDS 10BIT 25MHZ CMOS 48-LQFP
• Manufacturer: Analog Devices Inc

Specifications of AD9831ASTZ

• Resolution (bits): 10 b
• Master Fclk: 25MHz
• Tuning Word Width (bits): 32 b
• Voltage - Supply: 2.97 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP, 48-VQFP
• Pll Type: Direct Digital Synthesis
• Frequency: 25MHz
• Supply Current: 15mA
• Supply Voltage Range: 2.97V To 5.5V
• Digital Ic Case Style: TQFP
• No. Of Pins: 48
• Operating Temperature Range: -40°C To +85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD9831EBZ - BOARD EVALUATION AD9831
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Preliminary Technical Data
Integrated Circuits
XTAL1
U2, U3
U4
Capacitors
C1 - C6
C7, C8
C9, C11, C13 - C15
C10, C12
Resistors
R1 - R3
R4
R5
R6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
LATCH
D0
D1
D2
D3
D4
D5
D6
D7
RESET
LOAD
WR
PSEL1
MCLK
PSEL0
SW
10K
R4
R1
FSELECT
PC Interface
50
OSC XTAL 25 MHz
74HC574 Latches
AD9831 (48-Pin TQFP)
0.1 F Ceramic Chip Capacitor
10nF Ceramic Capacitor
0.1 F Ceramic Capacitor
10 F Tantalum Capacitor
10k
50
3.9k
300
R2
RESET
LATCH
J1
LOAD
10K
WR
DVDD
0.1 F
D0
D7
C13
Resistor
Resistor
Resistor
10K
Resistor
R3
DVDD
LK3
U1
DGND
DVDD
OUT
DVDD
LK2
0.1 F
0.1 F
DVDD
C15
C14
XTAL1
LOAD
LATCH
U2
74HC574
74HC574
RESET
VDD
LK1
LK4
VDD
CK
CK
WR
DVDD
MCLK
C1, C2, C3
U3
COMPONENT LIST
32
34
31
21
22
35
12
14
11
10
8
7
3
DVDD
0.1 F
D15
D8
D0
A0
WR
RESET
PSEL1
PSEL0
FSELECT
MCLK
SLEEP
A2
D7
- 7 -
6, 13, 29
4, 5, 9, 25
Links
LK1 - LK4
LK5
Switch
SW
Sockets
MCLK, PSEL0,
PSEL1, FSELECT,
IOUT, REFIN
Connectors
J1
J2, J3
DVDD
DGND
AD9831
U4
38, 43, 47
AVDD
AGND
AVDD
0.1 F
FSADJUST
1, 36, 46
REFOUT
COMP
REFIN
IOUT
C4, C5, C6
42
2
40
39
41
LK5
10 nF
C8
3.9k
R5
Three Pin Link
Two Pin Link
End Stackable Switch (SDC Double
Throw)
Sub-Miniature BNC Connector
36-Pin Edge Connector
PCB Mounting Terminal Block
AVDD
C7
10 nF
REFIN
10 F
300
C10
EVAL-AD9831EB
DVDD
IOUT
R6
0.1 F
C9
J2
AD7002
J3
0.1 F
C11
AVDD
REV O
10 F
C12