AD7631BCPZ Analog Devices Inc, AD7631BCPZ Datasheet - Page 6

• Manufacturer Part Number: AD7631BCPZ
• Description: IC,A/D CONVERTER,SINGLE,18-BIT,CMOS,LLCC,48PIN
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of AD7631BCPZ

• Number Of Bits: 18
• Sampling Rate (per Second): 250k
• Data Interface: Serial, Parallel
• Number Of Converters: 1
• Power Dissipation (max): 120mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-VFQFN, CSP Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7631
Table 4. Serial Clock Timings in Master Read After Convert Mode
DIVSCLK[1]
DIVSCLK[0]
SYNC to SDCLK First Edge Delay Minimum
Internal SDCLK Period Minimum
Internal SDCLK Period Maximum
Internal SDCLK High Minimum
Internal SDCLK Low Minimum
SDOUT Valid Setup Time Minimum
SDOUT Valid Hold Time Minimum
SDCLK Last Edge to SYNC Delay Minimum
BUSY High Width Maximum
TO OUTPUT
NOTES
1. IN SERIAL INTERFACE MODES, THE SYNC, SDCLK,
AND SDOUT ARE DEFINED WITH A MAXIMUM LOAD
C
L
Figure 2. Load Circuit for Digital Interface Timing,
OF 10pF; OTHERWISE, THE LOAD IS 60pF MAXIMUM.
SDOUT, SYNC, and SDCLK Outputs, C
PIN
60pF
C
L
1.6mA
500µA
I
I
OL
OH
1.4V
L
= 10 pF
Rev. A | Page 6 of 32
Symbol
t
t
t
t
t
t
t
t
t
18
19
19
20
21
22
23
24
28
0
0
3
30
45
15
10
4
5
5
2.55
t
DELAY
0.8V
Figure 3. Voltage Reference Levels for Timing
0
1
20
60
90
30
25
20
8
7
3.40
2V
0.8V
1
0
20
120
180
60
55
20
35
35
5.00
2V
1
1
20
240
360
120
115
20
90
90
8.20
t
2V
0.8V
DELAY
Unit
ns
ns
ns
ns
ns
ns
ns
ns
μs