参数资料
| 型号： | AD9912ABCPZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 31/40页 |
| 文件大小： | 0K |
| 描述： | IC DDS 1GSPS DAC 14BIT 64LFCSP |
| 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）： | 48 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： | 64-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 64-LFCSP-VQ（9x9） |
| 包装： | 托盘 |
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AD9912
Rev. F | Page 37 of 40
DOUBLER AND OUTPUT DRIVERS (REGISTER 0x0200 TO REGISTER 0x0201)
Register 0x0200—HSTL Driver
Table 32.
Bits
Bit Name
Description
4
OPOL
Output polarity. Setting this bit inverts the HSTL driver output polarity.
[3:2]
Reserved
Reserved.
[1:0]
HSTL output doubler
HSTL output doubler.
01 = doubler disabled.
10 = doubler enabled. When using doubler, Bit 5 in Register 0x0010 must also be set to 1.
Register 0x0201—CMOS Driver
Table 33.
Bits
Bit Name
Description
0
CMOS mux
This bit allows the user to select whether the CMOS driver output is divided by the S-divider.
0 = S-divider input sent to CMOS driver.
1 = S-divider output sent to CMOS driver. See Figure 39.
CALIBRATION (USER-ACCESSIBLE TRIM) (REGISTER 0x0400 TO REGISTER 0x0410)
Register 0x0400 to Register 0x040A—Reserved
Register 0x040B—DAC Full-Scale Current
Table 34.
Bits
Bit Name
Description
[7:0]
DAC full-scale current
DAC full-scale current, Bits[7:0]. See the Digital-to-Analog (DAC) Output section.
Register 0x040C—DAC Full-Scale Current (Continued)
Table 35.
Bits
Bit Name
Description
[9:8]
DAC full-scale current
DAC full-scale current, Bits[9:8]. See Register 0x040B.
Register 0x040D to Register 0x0410—Reserved
HARMONIC SPUR REDUCTION (REGISTER 0x0500 TO REGISTER 0x0509)
See the Harmonic Spur Reduction section.
Register 0x0500—Spur A
Table 36.
Bits
Bit Name
Description
7
HSR-A enable
Harmonic Spur Reduction A enable.
6
Amplitude gain × 2
Setting this bit doubles the gain of the cancelling circuit and also doubles the minimum step size.
[5:4]
Reserved
Reserved.
[3:0]
Spur A harmonic
Spur A Harmonic 1 to Spur A Harmonic 15. Allows user to choose which harmonic to eliminate.
Register 0x0501—Spur A (Continued)
Table 37.
Bits
Bit Name
Description
[7:0]
Spur A magnitude
Linear multiplier for Spur A magnitude.
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| AD9912ABCPZ-REEL7 | 功能描述:IC DDS 1GSPS DAC 14BIT 64LFCSP 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) |
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