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| 型号： | AD9957BSVZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 3/64页 |
| 文件大小： | 0K |
| 描述： | IC DDS 1GSPS 14BIT IQ 100TQFP |
| 产品培训模块： | Direct Digital Synthesis Tutorial Series (1 of 7): Introduction Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator |
| 标准包装： | 1 |
| 分辨率（位）： | 14 b |
| 主 fclk： | 1GHz |
| 调节字宽（位）： | 32 b |
| 电源电压： | 1.8V, 3.3V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 100-TQFP 裸露焊盘 |
| 供应商设备封装： | 100-TQFP-EP（14x14） |
| 包装： | 托盘 |
| 产品目录页面： | 552 (CN2011-ZH PDF) |
| 配用： | AD9957/PCBZ-ND - BOARD EVAL AD9957 QUADRATURE MOD |
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Data Sheet
AD9957
Rev. C | Page 11 of 64
Pin No.
Mnemonic
I/O1
Description
59
I/O_UPDATE
I/O
Input/Output Update; Digital Input Or Output (Active High) Depending on the Internal I/O
Update Active Bit. A high on this pin indicates a transfer of the contents of the I/O buffers
to the corresponding internal registers.
60
OSK
I
Output Shift Keying, Digital Input (Active High). When using OSK (manual or automatic),
this pin controls the OSK function. See the Output Shift Keying (OSK) section of the data
sheet for details. When not using OSK, tie this pin high.
67
SDIO
I/O
Serial Data Input/Output, Digital Input/Output (Active High). This pin can be either
unidirectional or bidirectional (default), depending on configuration settings. In
bidirectional serial port mode, this pin acts as the serial data input and output. In
unidirectional, it is an input only.
68
SDO
O
Serial Data Output, Digital Output (Active High). This pin is only active in unidirectional
serial data mode. In this mode, it functions as the output. In bidirectional mode, this pin is
not operational and should be left floating.
69
SCLK
I
Serial Data Clock. Digital clock (rising edge on write, falling edge on read). This pin
provides the serial data clock for the control data path. Write operations to the AD9957
use the rising edge. Readback operations from the AD9957 use the falling edge.
70
CS
I
Chip Select, Digital Input (Active Low). Bringing this pin low enables the AD9957 to detect
serial clock rising/falling edges. Bringing this pin high causes the AD9957 to ignore input
on the serial data pins.
71
I/O_RESET
I
Input/Output Reset, Digital Input (Active High). Rather than resetting the entire device
during a failed communication cycle, when brought high, this pin resets the state machine
of the serial port controller and clears any I/O buffers that have been written since the last
I/O update. When unused, tie this pin to ground to avoid accidental resets.
80
IOUT
O
Open-Source DAC Complementary Output Source. Analog output, current mode. Connect
through 50 to AGND.
81
IOUT
O
Open-Source DAC Output Source. Analog output, current mode. Connect through 50 to
AGND.
84
DAC_RSET
O
Analog Reference Pin. This pin programs the DAC output full-scale reference current.
Attach a 10 k resistor to AGND.
90
REF_CLK
I
Reference Clock Input. Analog input. See the REFCLK Overview section for more details.
91
REF_CLK
I
Complementary Reference Clock Input. Analog input. See the REFCLK Overview section
for more details.
94
REFCLK_OUT
O
Reference Clock Output. Analog output. See the REFCLK Overview section for more
details.
95
XTAL_SEL
I
Crystal Select (1.8 V Logic). Analog input (active high). Driving the XTAL_SEL pin high enables
the internal oscillator to be used with a crystal resonator. If unused, connect it to AGND.
(EPAD)
Exposed Pad
(EPAD)
The EPAD should be soldered to ground.
1
I = input, O = output.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD9957BSVZ-REEL | 功能描述:IC DDS 1GSPS 14BIT IQ 100TQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 直接数字合成 (DDS) 系列:- 产品变化通告:Product Discontinuance 27/Oct/2011 标准包装:2,500 系列:- 分辨率（位）:10 b 主 fclk:25MHz 调节字宽（位）:32 b 电源电压:2.97 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
| AD9957BSVZREEL13 | 制造商:AD 制造商全称:Analog Devices 功能描述:1 GSPS Quadrature Digital Upconverter w/18-Bit IQ Data Path and 14-Bit DAC |
| AD9958 | 制造商:AD 制造商全称:Analog Devices 功能描述:2-Channel 500 MSPS DDS with 10-Bit DACs |
| AD9958 PCB | 制造商:Analog Devices 功能描述:EVAL BOARD ((NS)) |
| AD9958/PCB | 制造商:Analog Devices 功能描述:Evaluation Board For 2-Channel 500 MSPS DDS With 10-Bit DACs 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述:IC 10-BIT DAC DDS |
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