參數(shù)資料
型號: AD9912ABCPZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 25/40頁
文件大?。?/td> 0K
描述: IC DDS 1GSPS DAC 14BIT 64LFCSP
產(chǎn)品培訓模塊: 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
標準包裝: 750
分辨率(位): 14 b
主 fclk: 1GHz
調節(jié)字寬(位): 48 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: 64-VFQFN 裸露焊盤,CSP
供應商設備封裝: 64-LFCSP-VQ(9x9)
包裝: 帶卷 (TR)
AD9912
Rev. F | Page 31 of 40
I/O REGISTER MAP
All address and bit locations that are left blank in Table 12 are unused.
Table 12.
Addr
(Hex)
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
(Hex)
Serial port configuration and part identification
0x0000
Serial
config.
SDO
active
LSB first
(buffered)
Soft
reset
Long
instruction
Long
instruction
Soft reset
LSB first
(buffered)
SDO
active
0x18
0x0001
Reserved
0x00
0x0002
RO
Part ID
0x02
0x0003
RO
0x19
0x0004
Serial
options
Read buffer
register
0x00
0x0005
AC
Register
update
0x00
Power-down and reset
0x0010
Power-
down and
enable
PD HSTL
driver
Enable
CMOS
driver
Enable
output
doubler
PD
SYSCLK
PLL
Full PD
Digital PD
0xC0 or
0xD0
0x0011
Reserved
0x00
0x0012
M, AC
Reset
DDS reset
0x00
0x0013
M
PD fund
DDS
S-div/2
reset
S-divider
reset
0x00
System clock
0x0020
N-divider
N-divider, Bits[4:0]
0x12
0x0021
Reserved
0x00
0x0022
PLL
parameters
VCO auto
range
2× refer-
ence
VCO range
Charge pump current,
Bits[1:0]
0x04
CMOS output divider (S-divider)
0x0100
Reserved
0x30
0x0101
to
0x0103
Reserved
0x00
0x0104
and
0x0105
S-divider
S-divider, Bits[15:0]
LSB: Register 0x0104
0x00
0x0106
Falling
edge
triggered
S-divider/2
0x01
Frequency tuning word
0x01A0
to
0x01A5
Reserved
0x00
0x01A6
M
FTW0
(frequency
tuning
word)
FTW0, Bits[47:0]
LSB: Register 0x01A6
0x00
0x01A7
M
0x00
0x01A8
M
0x00
0x01A9
M
0x00
0x01AA
M
Start-up
cond.
0x01AB
M
Start-up
cond.
0x01AC
M
Phase
DDS phase word, Bits[7:0]
0x00
0x01AD
M
DDS phase word, Bits[13:8]
0x00
Doubler and output drivers
0x0200
HSTL driver
OPOL
(polarity)
HSTL output doubler,
Bits[1:0]
0x05
0x0201
CMOS driver
CMOS mux
0x00
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