參數(shù)資料
型號(hào): AD9639BCPZ-170
廠商: Analog Devices Inc
文件頁數(shù): 26/36頁
文件大?。?/td> 0K
描述: IC ADC 12B 170MSPS QUAD 72LFCSP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 12
采樣率(每秒): 210M
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 4
功率耗散(最大): 1.39W
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: 72-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 72-LFCSP
包裝: 托盤
輸入數(shù)目和類型: 8 個(gè)單端,單極;4 個(gè)差分,單極
AD9639
Data Sheet
Rev. B | Page 32 of 36
Table 15. Memory Map Register
Addr.
(Hex)
Register
Name
(MSB)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
(LSB)
Bit 0
Default
Value
(Hex)
Comments
Chip Configuration Registers
0x00
chip_port_
config (local,
master)
SDO active
(not
required,
ignored if
not used)
LSB
first
Soft
reset
16-bit
address
(default
mode for
ADCs)
0x18
0x01
chip_id
(global)
8-bit chip ID, Bits[2:0]
0x29: AD9639, 12-bit quad
Read only.
0x02
chip_grade
(global)
Speed grade
010 = 170 MSPS
100 = 210 MSPS
Read only.
Device Index and Transfer Registers
0x05
device_
index_A
(global)
ADC A
ADC B
ADC C
ADC D
0x0F
Bits are set to
determine
which device
on chip
receives the
next write
command.
The default
is all devices
on chip.
0xFF
device_
update (local,
master)
SW
transfer
1 = on
0 = off
(default)
0x00
Synchro-
nously
transfers
data from
the master
shift register
to the slave.
ADC Function Registers
0x08
Modes
(local)
External PDWN pin
function
00 = full power-down
(default)
01 = standby
Power-down mode
00 = chip run
(default)
01 = full power-down
10 = standby
11 = reset
0x00
Determines
generic
modes
of chip
operation.
0x09
Clock
(global)
Duty
cycle
stabilize
1 = on
(default)
0 = off
0x01
Turns the
internal
duty cycle
stabilizer
on and off.
0x0D
test_io
(local)
Reset PN
sequence
long gen
1 = on
0 = off
(default)
Reset PN
sequence
short gen
1 = on
0 = off
(default)
Flexible output test mode
0000 = off (normal operation)
0001 = midscale short
0010 = +FS short
0011 = FS short
0100 = checkerboard output
0101 = PN 23 sequence
0110 = PN 9 sequence
0111 = 1/0 word toggle
0x00
When set,
the test data
is placed on
the output
pins in place
of normal
data.
0x0E
test_bist
(local)
BIST init
1 = on
0 = off
(default)
BIST
enable
1 = on
0 = off
(default)
0x00
When Bit 0
is set, the
built-in self-
test function
is initiated.
0x0F
adc_input
(local)
Analog
disconnect
enable
1 = on
0 = off
(default)
VCM
enable
1 = on
0 = off
(default)
0x00
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