AD9748ACP-PCB Analog Devices Inc, AD9748ACP-PCB Datasheet - Page 7

• Manufacturer Part Number: AD9748ACP-PCB
• Description: BOARD EVAL FOR AD9748ACP
• Manufacturer: Analog Devices Inc
• Series: TxDAC®r

Specifications of AD9748ACP-PCB

• Rohs Status: RoHS non-compliant
• Number Of Dac's: 1
• Number Of Bits: 8
• Outputs And Type: 1, Differential
• Sampling Rate (per Second): 210M
• Data Interface: Parallel
• Settling Time: 11ns
• Dac Type: Current
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD9748

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 5. Pin Function Descriptions
Pin No.
27
28 to 32, 1
2
3
4 to 9
10, 26
11
12
13
14
15
16
17, 18
19, 22
20
21
23
24
25
Mnemonic
DB7 (MSB)
DB6 to DB1
DB0 (LSB)
DVDD
NC
DCOM
CLKVDD
CLK+
CLK−
CLKCOM
CMODE
MODE
AVDD
ACOM
IOUTB
IOUTA
REFIO
FS ADJ
SLEEP
Description
Most Significant Data Bit (MSB).
Data Bits 6 to 1.
Least Significant Data Bit (LSB).
Digital Supply Voltage (3.3 V).
No Internal Connection.
Digital Common.
Clock Supply Voltage (3.3 V).
Differential Clock Input.
Differential Clock Input.
Clock Common.
Clock Mode Selection. Connect to CLKCOM for single-ended clock receiver (drive CLK+ and float
CLK–). Connect to CLKVDD for differential receiver. Float for PECL receiver (terminations on-chip).
Selects Input Data Format. Connect to DCOM for straight binary, DVDD for twos complement.
Analog Supply Voltage (3.3 V).
Analog Common.
Complementary DAC Current Output. Full-scale current when all data bits are 0s.
DAC Current Output. Full-scale current when all data bits are 1s.
Reference Input/Output. Requires 0.1 μF capacitor to ACOM.
Full-Scale Current Output Adjust.
Power-Down Control Input. Active high. Contains active pull-down circuit; it can be left unterminated
if not used.
(LSB) DB0
DVDD
DB1
NC
NC
NC
NC
NC
1
2
3
4
5
6
7
8
Figure 3. Pin Configuration
Rev. A | Page 7 of 24
NC = NO CONNECT
(Not to Scale)
PIN 1
INDICATOR
TOP VIEW
AD9748
24 FS ADJ
23 REFIO
22 ACOM
21 IOUTA
20 IOUTB
19 ACOM
18 AVDD
17 AVDD
AD9748