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参数资料
| 型号： | AD9753ASTZRL |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 0.011 us SETTLING TIME, 12-BIT DAC, PQFP48 |
| 封装： | 1.40 MM HEIGHT, ROHS COMPLIANT, PLASTIC, MS-026BBC, LQFP-48 |
| 文件页数： | 14/28页 |
| 文件大小： | 814K |
| 代理商： | AD9753ASTZRL |
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REV. B
AD9753
–21–
EVALUATION BOARD
The AD9753-EB is an evaluation board for the AD9753 TxDAC.
Careful attention to layout and circuit design, combined with
prototyping area, allows the user to easily and effectively evalu-
ate the AD9753 in different modes of operation.
Referring to Figures 34 and 35, the AD9753’s performance can
be evaluated differentially or single-ended either using a trans-
former, or directly coupling the output. To evaluate the output
differentially using the transformer, it is recommended that
either the Mini-Circuits T1-1T (through-hole) or the Coilcraft
TTWB-1-B (SMT) be placed in the position of T1 on the evalua-
tion board. To evaluate the output either single-ended or direct-
coupled, remove the transformer and bridge either BL1 or BL2.
The digital data to the AD9753 comes from two ribbon cables that
interface to the 40-lead IDC connectors P1 and P2. Proper termi-
nation or voltage scaling can be accomplished by installing the
resistor pack networks RN1–RN12. RN1, 4, 7, and 10 are 22
DIP resistor packs and should be installed as they help reduce the
digital edge rates and therefore peak current on the inputs.
A single-ended clock can be applied via J3. By setting the SE/
DIFF labeled jumpers J2, 3, 4, and 6, the input clock can be
directed to the CLK+/CLK– inputs of the AD9753 in either a
single-ended or differential manner. If a differentially applied
clock is desired, a Mini-Circuits T1-1T transformer should be
used in the position of T2. Note that with a single-ended square
wave clock input, T2 must be removed. A clock can also be
applied via the ribbon cable on Port 1 (P1), Pin 33. By inserting
the EDGE jumper (JP1), this clock will be applied to the CLK+
input of the AD9753. JP3 should be set in its SE position in this
application to bias CLK– to 1/2 the supply voltage.
The AD9753’s PLL clock multiplier can be enabled by inserting
JP7 in the IN position. As described in the Typical Performance
Characteristics and Functional Description sections, with the PLL
enabled, a clock at 1/2 the output data rate should be applied as
described in the last paragraph. The PLL takes care of the internal
2
× frequency multiplication and all internal timing requirements.
In this application, the PLLLOCK output indicates when lock
is achieved on the PLL. With the PLL enabled, the DIV0 and
DIV1 jumpers (JP8 and JP9) provide the PLL divider ratio as
described in Table I.
The PLL is disabled when JP7 is in the EX setting. In this mode, a
clock at the speed of the output data rate must be applied to the
clock inputs. Internally, the clock is divided by 2. For data
synchronization, a 1
clock is provided on the PLLLOCK pin
in this application. Care should be taken to read the timing
requirements described earlier in the data sheet for optimum
performance. With the PLL disabled, the DIV0 and DIV1 jumpers
define the mode (interleaved, noninterleaved) as described in
Table II.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD9753-EB | 功能描述:BOARD EVAL FOR AD9753 RoHS:否 类别:编程器，开发系统 >> 评估板 - 数模转换器 (DAC) 系列:TxDAC+® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- DAC 的数量:4 位数:12 采样率（每秒）:- 数据接口:串行，SPI? 设置时间:3µs DAC 型:电流/电压 工作温度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581 |
| AD9754 | 制造商:AD 制造商全称:Analog Devices 功能描述:14-Bit, 125 MSPS High Performance TxDAC D/A Converter |
| AD9754AR | 功能描述:IC DAC 14BIT 125MSPS HP 28-SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:TxDAC® 产品培训模块:Data Converter Fundamentals DAC Architectures 标准包装:750 系列:- 设置时间:7µs 位数:16 数据接口:并联 转换器数目:1 电压电源:双 ± 功率耗散（最大）:100mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-LCC（J 形引线） 供应商设备封装:28-PLCC（11.51x11.51） 包装:带卷 (TR) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:143k |
| AD9754ARRL | 制造商:Analog Devices 功能描述:DAC 1-CH 14-bit 28-Pin SOIC W T/R 制造商:Rochester Electronics LLC 功能描述:14-BIT, 125 MSPS+ TXDAC D/A CONVERTER - Tape and Reel |
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