AD7674ACPZRL Analog Devices Inc, AD7674ACPZRL Datasheet - Page 5

• Manufacturer Part Number: AD7674ACPZRL
• Description: 18-Bit,800kSPSSARADC
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of AD7674ACPZRL

• Number Of Bits: 18
• Sampling Rate (per Second): 800k
• Data Interface: Serial, Parallel
• Number Of Converters: 1
• Power Dissipation (max): 138mW
• 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
• For Use With: EVAL-AD7674CBZ - BOARD EVALUATION FOR AD7674
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TIMING SPECIFICATIONS
Table 3. –40°C to +85°C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.
Parameter
Refer to Figure 34 and Figure 35
Refer to Figure 36, Figure 37, and Figure 38 (Parallel Interface Modes)
Refer to Figure 40 and Figure 41 (Master Serial Interface Modes)
Refer to Figure 42 and Figure 43 (Slave Serial Interface Modes)
1
2
3
In Warp mode only, the maximum time between conversions is 1 ms; otherwise, there is no required maximum time.
In serial interface modes, the SYNC, SCLK, and SDOUT timings are defined with a maximum load C
In Serial Master Read during Convert mode. See Table 4 for Serial Master Read after Convert mode.
Convert Pulsewidth
Time between Conversions (Warp Mode/Normal Mode/Impulse Mode)
CNVST LOW to BUSY HIGH Delay
BUSY HIGH All Modes Except Master Serial Read after Convert
Aperture Delay
End of Conversion to BUSY LOW Delay
Conversion Time (Warp Mode/Normal Mode/Impulse Mode)
Acquisition Time
RESET Pulsewidth
CNVST LOW to Data Valid Delay (Warp Mode/Normal Mode/Impulse Mode)
Data Valid to BUSY LOW Delay
Bus Access Request to Data Valid
Bus Relinquish Time
CS LOW to SYNC Valid Delay
CS LOW to Internal SCLK Valid Delay
CS LOW to SDOUT Delay
CNVST LOW to SYNC Delay (Warp Mode/Normal Mode/Impulse Mode)
SYNC Asserted to SCLK First Edge Delay
Internal SCLK Period
Internal SCLK HIGH
Internal SCLK LOW
SDOUT Valid Setup Time
SDOUT Valid Hold Time
SCLK Last Edge to SYNC Delay
CS HIGH to SYNC HI-Z
CS HIGH to Internal SCLK HI-Z
CS HIGH to SDOUT HI-Z
BUSY HIGH in Master Serial Read after Convert
CNVST LOW to SYNC Asserted Delay
SYNC Deasserted to BUSY LOW Delay
External SCLK Setup Time
External SCLK Active Edge to SDOUT Delay
SDIN Setup Time
SDIN Hold Time
External SCLK Period
External SCLK HIGH
External SCLK LOW
(Warp Mode/Normal Mode/Impulse Mode)
(Warp Mode/Normal Mode/Impulse Mode)
3
3
3
3
3
3
3
3
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1
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
L
of 10 pF; otherwise, the load is 60 pF maximum.
Min
10
1.25/1.5/1.75
10
250
10
20
5
3
25
12
7
4
2
3
5
3
5
5
25
10
10
Typ
2
25/275/525
Table 4
1/1.25/1.5
25
Max
35
1/1.25/1.5
1/1.25/1.5
1/1.25/1.5
45
15
10
10
10
40
10
10
10
18
AD7674
Unit
ns
μs
ns
μs
ns
ns
μs
ns
ns
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μs
ns
ns
ns
ns
ns
ns
ns
ns