AD9261 Analog Devices, AD9261 Datasheet - Page 25

• Manufacturer Part Number: AD9261
• Description: 16-Bit, 10 MHz Bandwidth, 30 MSPS to 160 MSPS Continuous Time Sigma-Delta ADC
• Manufacturer: Analog Devices

Specifications of AD9261

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 160MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 2 V p-p
• Adc Architecture: Sigma-Delta
• Pkg Type: CSP

MEMORY MAP
Table 23. Memory Map
Register Name
SPI Port Config
Chip ID
Chip Grade
Power Modes
PLLENABLE
PLL
Analog Input
Output Modes
Output Adjust
Output Clock
Reference
Output Data
Overrange
MEMORY MAP DEFINITIONS
Table 24. Memory Map Definitions
Register
SPI Port Config
Chip ID
Chip Grade
Power Modes
PLLENABLE
PLL
Analog Input
Output Modes
Address
0x00
0x01
0x02
0x08
0x09
0x0A
0x0F
0x14
0x15
0x16
0x18
0x101
0x111
Address
0x00
0x01
0x02
0x08
0x09
0x0A
0x0F
0x14
Bit 7
0
PLLLOCKED
DRVSTD
AUTORST
DCOINV
Bit(s)
6, 1
5, 2
[7:0]
[5:4]
[1:0]
2
7
6
[5:0]
[6:5]
7
5
4
2
[1:0]
Mnemonic
LSBFIRST
SOFTRESET
CHIPID
CHILDID
PWRDWN
PLLENABLE
PLLLOCKED
PLLAUTO
PLLMULT
BW
DRVSTD
Interleave
OUTENB
OUTINV
Format
Bit 6
LSBFIRST
PLLAUTO
EXTREF
OR_IND
BW[1:0]
0
0
0x26
0
0
0
0
0
0
0
0
Default
0
0
0
0
Rev. 0 | Page 25 of 28
Bit 5
SOFTRESET
Interleave
CHILDID[2:0]
Description
0: serial interface uses MSB first format
1: serial interface uses LSB first format
1: default all serial registers except 0x00, 0x09, and 0x0A
0x26: AD9261
0x00: 10 MHz bandwidth
0x0: normal operation
0x1: power-down (local)
0x2: standby (everything except reference circuits)
0x3: sleep
1: enable PLL
0: PLL is not locked
1: PLL is locked
1: PLL autoband enabled
See Table 10
0x0: 10 MHz
0x1: 5 MHz
0x2: 2.5 MHz
0x3: 10 MHz
0: 3.3 V
1: 1.8 V
1: interleave both channels onto D[15:0]
1: data outputs tristated
1: data outputs bitwise inverted
0: offset binary
1: twos complement
2: Gray code
3: offset binary
Bit 4
1
OUTENB
CHIPID[7:0]
Bit 3
1
ORTHRESH[5:0]
PLLMULT[5:0]
DRVSTR33[1:0]
K
OUT
[5:0]
Bit 2
SOFTRESET
PLLENABLE
OUTINV
Bit 1
LSBFIRST
DRVSTR18[1:0]
PWRDWN[1:0]
Format[1:0]
AD9261
Bit 0
0