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AD4080BBCZ Datasheet(PDF) 6 Page - Analog Devices

Part # AD4080BBCZ
Description  20-Bit, 40 MSPS, Differential SAR ADC
PDF  95 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD4080BBCZ Datasheet(HTML) 6 Page - Analog Devices

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Data Sheet
AD4080
SPECIFICATIONS
analog.com
Rev. 0 | 6 of 95
TIMING SPECIFICATIONS
VDD33 = 3.3 V ± 5%, VDDLDO= 1.5 V to 2.7 V, VDD11 = 1.1 V ± 5%, IOVDD = 1.1 V − 5% to 1.2 V + 5%, VREFIN = 3.0 V, fS = 40 MHz, and TA
= TMIN to TMAX unless otherwise noted.
Table 2. Timing Specifications
Parameter
Symbol
Min
Typ
Max
Unit
Sampling Frequency
fS
1.25
40
MHz
Conversion Time
tCONV
25
800
ns
Acquisition Phase
tACQ
tCYC
ns
Conversion Cycle Period
tCYC
tCONV
ns
LVDS Data Interface
Data Interface Clock Count
N
10
Active Data Lane Count
L
2
CNV± High Time
tCNVH
tCLK
5 × tCLK
tCYC − tCNVL
ns
CNV± Low Time
tCNVL
tCLK
5 × tCLK
tCYC − tCNVH
ns
CNV± Edge to CLK± Rising Edge Alignment
tCCA
535
ps
CNV± to Dx± (MSB) Ready
tMSB
Gain Error Correction Enabled
20.5
22.4
ns
Gain Error Correction Disabled
15.7
18
ns
CLK± Period
tCLK
2.5
tCYC × L/N
ns
CLK± Frequency
fCLK
1/tCLK
400
MHz
CLK± to Dx± Delay
tCLKD
2.1
ns
CLK± to DCO± Delay (Echo Clock Mode)
tDCO
2
ns
DCO± to Dx± Delay (Echo Clock Mode)
tDCOD
1
ns
Serial Peripheral Interface (SPI) Data Interface
Data Interface Clock Count, Single Conversion Result
M
24
Active Data Lane Count
C
1
4
Data Interface Chip Select Falling Edge (DCS) to SDOB Data Valid
tDEN
5
6
ns
Data Interface Clock Period (DCLK)
tDCK
20
ns
Data Interface Clock Low Pulse Width (DCLK)
tDCKL
tDCK × 0.45
ns
Data Interface Clock High Pulse Width (DCLK)
tDCLKH
tDCK × 0.45
ns
Data Interface Clock Falling Edge to Data Remains Valid Delay
tDHSDO
5
ns
Data Interface Clock Falling Edge to Data Valid Delay
tDDSDO
9.6
ns
DCLK Rising to Data Interface Chip Select Falling
tDCKEN
0
ns
Data Interface Chip Select High to DCLK Disabled
tDCLKDIS
0
ns
Data Interface Chip Select High Between Frames
tDCSMIN
(tDCKEN + tDCLKDIS) + 0.5 ×
tDCLK
ns
Serial Configuration Interface
SCLK Period
tSCK
20
ns
SCLK Low Pulse Width
tSCKL
tSCK × 0.45
ns
SCLK High Pulse Width
tSCKH
tSCK × 0.45
ns
SCLK Falling Edge to Data Remains Valid Delay
tHSDO
0.7
ns
SCLK Falling Edge to Data Valid Delay
tDSDO
14.5
ns
CS Falling Edge to SCLK
tCSSCK
0
ns
Last SCLK to CS Rising
tSCKCS
0
ns
SDI Valid Setup Time Before SCLK Rising Edge
tSSDI
1
ns
SDI Valid Hold Time After SCLK Rising Edge
tHSDI
0
ns
SCLK Rising to Data Interface Chip Select Falling
tSCKEN
0
ns



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