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AD5522JSVDZ Scheda tecnica(PDF) 12 Page - Analog Devices

Il numero della parte AD5522JSVDZ
Spiegazioni elettronici  Quad Parametric Measurement Unit With Integrated 16-Bit Level Setting DACs
PDF  45 Pages
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD5522JSVDZ Scheda tecnica(HTML) 12 Page - Analog Devices

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AD5522
Preliminary Technical Data
Rev. PrL | Page 12 of 45
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
MEASVH1
CFF3
CCOMP3
AGND
AGND
GUARD1
AVDD
GUARDIN1
/DUTGND1
FOH1
EXTMEASIH1
GUARDIN3
/DUTGND3
EXTMEASIH3
EXTMEASIL3
FOH3
AVDD
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
CFF1
EXTMEASIL1
MEASVH3
CCOMP1
GUARD3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
EXTMEASIH2
GUARD0
EXTMEASIL2
FOH2
GUARD2
GUARDIN2
/DUTGND2
MEASVH2
AGND
AGND
FOH0
EXTMEASIL0
MEASVH0
EXTMEASIH0
AVDD
GUARDIN0
/DUTGND0
AVDD
CFF2
CCOMP2
CFF0
CCOMP0
AD5522
TOP VIEW
EXPOSED PADONBOTTOM
(Not to Scale)
Figure 8. Pin Configuration (Exposed Pad on bottom of package)
Table 6. Pin Function Descriptions
Pin No.
Pin No.
Mnemonic
Description
Bottom
Top
Exposed Pad
The exposed pad is electrically connected to AVSS.
TQFP with exposed pad on BOTTOM: For enhanced thermal, electrical and board level
performance, the exposed paddle on the bottom of the package should be soldered to a
corresponding thermal land paddle on the PCB.
22, 39, 62,
67, 79,
2, 14, 19,
42,59,
AVSS(0-4)
Negative analog supply voltage
1, 20, 41, 60,
74
7, 21, 40,
61, 80
AVDD(0-4)
Positive analog supply voltage
33
48
LOAD
Active low logic input used for synchronizing updates within one device or across a group
of devices. If synchronization is not required, LOAD may be tied low and updates to DAC
channels or PMU modes will happen as they are presented to the device. See the BUSY and
LOAD FUNCTIONS section for detailed information.
34
47
DVCC
Digital supply voltage
10, 11, 50,
51, 69
12, 30, 31,
70, 71
AGND
Analog ground, reference points for force and measure circuitry
30
51
DGND
Digital ground reference point.
23
58
BUSY
Open Drain active low input/output indicating the status of interface.
24
57
SCLK
Clock input, active falling edge
25
56
CPOL0/ SCLK
Comparator output low in SPI mode and SCLK in LVDS interface mode
26
55
CPOH0/ SDI
Comparator output high in SPI mode and SDI in LVDS interface mode
27
54
SDI
Serial data input
28
53
SYNC
Frame sync, active low
29
52
CPOL1/ SYNC
Comparator output low in SPI mode and SYNC in LVDS interface mode
31
50
CPOH1/SDO
Comparator output high in SPI mode and SDO in LVDS interface mode



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