參數(shù)資料
型號(hào): AD9253BCPZ-80
廠商: Analog Devices Inc
文件頁(yè)數(shù): 29/40頁(yè)
文件大?。?/td> 0K
描述: IC ADC 14BIT SRL 80MSPS 48LFCSP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 14
采樣率(每秒): 80M
數(shù)據(jù)接口: LVDS,串行,SPI?
轉(zhuǎn)換器數(shù)目: 4
功率耗散(最大): 405mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-WFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 48-LFCSP-WQ(7x7)
包裝: 托盤
輸入數(shù)目和類型: 4 個(gè)差分,雙極
Data Sheet
AD9253
Rev. 0 | Page 35 of 40
ADDR
(Hex)
Parameter Name
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
(Hex)
Comments
0x0B
Clock divide
(global)
Open
Clock divide ratio[2:0]
000 = divide by 1
001 = divide by 2
010 = divide by 3
011 = divide by 4
100 = divide by 5
101 = divide by 6
110 = divide by 7
111 = divide by 8
0x00
0x0C
Enhancement
control
Open
Chop
mode
0 = off
1 = on
Open
0x00
Enables/
disables chop
mode.
0x0D
Test mode (local
except for PN
sequence resets)
User input test mode
00 = single
01 = alternate
10 = single once
11 = alternate once
(affects user input test
mode only,
Bits[3:0] = 1000)
Reset
PN long
gen
Reset PN
short
gen
Output test mode[3:0] (local)
0000 = off (default)
0001 = midscale short
0010 = positive FS
0011 = negative FS
0100 = alternating checkerboard
0101 = PN 23 sequence
0110 = PN 9 sequence
0111 = one/zero word toggle
1000 = user input
1001 = 1-/0-bit toggle
1010 = 1× sync
1011 = one bit high
1100 = mixed bit frequency
0x00
When set, the
test data is
placed on the
output pins in
place of
normal data.
0x10
Offset adjust
(local)
8-bit device offset adjustment [7:0] (local)
Offset adjust in LSBs from +127 to 128 (twos complement format)
0x00
Device offset
trim.
0x14
Output mode
Open
LVDS-ANSI/
LVDS-IEEE
option
0 = LVDS-
ANSI
1 = LVDS-
IEEE
reduced
range link
(global)
see
Open
Output
invert
(local)
Open
Output
format
0 =
offset
binary
1 =
twos
comple-
ment
(global)
0x01
Configures
the outputs
and the
format of the
data.
0x15
Output adjust
Open
Output driver
termination[1:0]
00 = none
01 = 200 Ω
10 = 100 Ω
11 = 100 Ω
Open
Output
drive
0 = 1×
drive
1 = 2×
drive
0x00
Determines
LVDS or other
output
properties.
0x16
Output phase
Open
Input clock phase adjust[6:4]
(value is number of input clock
cycles of phase delay)
Output clock phase adjust[3:0]
(0000 through 1011)
0x03
On devices
that use
global clock
divide,
determines
which phase
of the divider
output is used
to supply the
output clock.
Internal
latching is
unaffected.
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