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參數(shù)資料
| 型號： | AD9957BSVZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 54/64頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DDS 1GSPS 14BIT IQ 100TQFP |
| 產(chǎn)品培訓(xùn)模塊： | 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 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 分辨率（位）： | 14 b |
| 主 fclk： | 1GHz |
| 調(diào)節(jié)字寬（位）： | 32 b |
| 電源電壓： | 1.8V, 3.3V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-TQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 100-TQFP-EP（14x14） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 552 (CN2011-ZH PDF) |
| 配用： | AD9957/PCBZ-ND - BOARD EVAL AD9957 QUADRATURE MOD |
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AD9957
Data Sheet
Rev. C | Page 58 of 64
Control Function Register 3 (CFR3)
Address 0x02, four bytes are assigned to this register.
Table 20. Bit Descriptions for CFR3 Register
Bit (s)
Mnemonic
Description
31:30
Open
29:28
DRV0
Controls REFCLK_OUT pin (see Table 6 for details); default is 01b.
27
Open
26:24
VCO SEL
Selects frequency band of the VCO in the REFCLK PLL (see Table 7 for details); default is 111b.
23:22
Open
21:19
ICP
Selects the charge pump current in the REFCLK PLL (see Table 8 for details); default is 111b.
18:16
Open
15
REFCLK Input Divider
Bypass
0: input divider is selected (default).
1: input divider is bypassed.
14
REFCLK Input Divider
ResetB
0: input divider is reset.
1: input divider operates normally (default).
13:9
Open
8
PLL Enable
0: REFCLK PLL bypassed (default).
1: REFCLK PLL enabled.
7:1
N
This 7-bit number is divide modulus of the REFCLK PLL feedback divider; default is 0000000b.
0
Open
Auxiliary DAC Control Register
Address 0x03, four bytes are assigned to this register.
Table 21. Bit Descriptions for Auxiliary DAC Control Register
Bit(s)
Mnemonic
Description
31:8
Open
7:0
FSC
This 8-bit number controls the full-scale output current of the main DAC (see the Auxiliary DAC section);
default is 0xFF.
I/O Update Rate Register
Address 0x04, four bytes are assigned to this register. This register is effective without the need for an I/O update.
Table 22. Bit Descriptions for I/O Update Rate Register5
Bit(s)
Mnemonic
Description
31:0
I/O Update Rate
Ineffective unless CFR2<23> = 1. This 32-bit number controls the automatic I/O update rate (see the
Automatic I/O Update section); default is 0xFFFFFFFF.
RAM Segment Register 0
Address 0x05, six bytes are assigned to this register. This register is effective without the need for an I/O update. This register is only
active if CFR1<31> = 1 and there is a Logic 0-to-Logic 1 transition on the RT pin.
Table 23. Bit Descriptions for RAM Segment Register 0
Bit(s)
Mnemonic
Description
47:32
RAM Address Step
Rate 0
This 16-bit number controls the rate at which the RAM state machine steps through the specified RAM
address range.
31:22
RAM End Address 0
This 10-bit number identifies the ending address for the RAM state machine.
21:16
Open
15:6
RAM Start Address 0
This 10-bit number identifies the starting address for the RAM state machine.
5:3
Open
2:0
RAM Playback Mode 0
This 3-bit number identifies the playback mode for the RAM state machine (see Table 5).
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| AD9957BSVZ-REEL | 功能描述:IC DDS 1GSPS 14BIT IQ 100TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 直接數(shù)字合成 (DDS) 系列:- 產(chǎn)品變化通告:Product Discontinuance 27/Oct/2011 標(biāo)準(zhǔn)包裝:2,500 系列:- 分辨率（位）:10 b 主 fclk:25MHz 調(diào)節(jié)字寬（位）:32 b 電源電壓:2.97 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| AD9957BSVZREEL13 | 制造商:AD 制造商全稱: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 制造商全稱: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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