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參數(shù)資料
| 型號： | AD9484BCPZ-500 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 14/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 8BIT 500MSPS 56LFCSP |
| 標準包裝： | 1 |
| 位數(shù)： | 8 |
| 采樣率（每秒）： | 500M |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 720mW |
| 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： | 56-VFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 56-LFCSP-VQ（8x8） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 1 個差分，雙極 |
AD9484
Rev. A | Page 21 of 24
Addr.
(Hex)
Register Name
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
(Hex)
Default Notes/
Comments
10
Offset
8-bit device offset adjustment [7:0]
0111 111 = +127 codes
0000 0000 = 0 codes
1000 0000 = 128 codes
0x00
Device offset
trim: codes are
relative to the
output
resolution.
0D
TEST_IO
(For user-defined
mode only, set
Bits[3:0] = 1000)
00 = Pattern 1 only
01 = toggle P1/P2
10 = toggle
P1/0000
11 = toggle P1/P2/
0000
Reset
PN23
gen:
1 = on
0 = off
(default)
Reset
PN9
gen:
1 = on
0 = off
(default)
Output test mode:
0000 = off (default)
0001 = midscale short
0010 = +FS short
0011 = FS short
0100 = checker board output
0101 = PN23 sequence
0110 = PN9
0111 = one/zero word toggle
1000 = user defined
1001 = unused
1010 = unused
1011 = unused
1100 = unused
(Format determined by OUTPUT_MODE)
0x00
When set, the
test data is
placed on the
output pins in
place of normal
data.
Set pattern
values:
P1 = Reg 0x19,
Reg 0x1A
P2 = Reg 0x1B,
Reg 0x1C
0F
AIN_CONFIG
0
Analog
input
disable:
1 = on
0 = off
(default)
0
0x00
14
OUTPUT_MODE
0
Output
enable:
0 =
enable
(default)
1 =
disable
0
Output
invert:
1 = on
0 = off
(default)
Data format select:
00 = offset binary
(default)
01 = twos
complement
10 = Gray code
0x00
0
15
OUTPUT_ADJUST
0
LVDS
course
adjust:
0 =
3.5 mA
(default)
1 =
2.0 mA
LVDS fine adjust:
001 = 3.50 mA
010 = 3.25 mA
011 = 3.00 mA
100 = 2.75 mA
101 = 2.50 mA
110 = 2.25 mA
111 = 2.00 mA
0x00
0
16
OUTPUT_PHASE
Output
clock
polarity
1 =
inverted
0 =
normal
(default)
0
0x00
17
FLEX_OUTPUT_DELAY
0
Output clock delay:
0000 = 0
0001 = 1/10
0010 = 2/10
0011 = 3/10
0100 = reserved
0101 = +5/10
0110 = +4/10
0111 = +3/10
1000 = +2/10
1001 = +1/10
0x00
Shown as
fractional value
of sampling
clock period
that is
subtracted or
added to initial
tSKEW, see
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