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參數(shù)資料
| 型號： | EVAL-AD5520EBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 13/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD5520 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 測試與測量，每引腳參數(shù)測量單元（PPMU） |
| 已用 IC / 零件： | AD5520 |
| 已供物品： | 板 |
| 相關(guān)產(chǎn)品： | AD5520JSTZ-ND - IC PPMU SNGL-CH 64-LQFP |
AD5520
Rev. B | Page 20 of 24
TYPICAL CONNECTION CIRCUIT FOR THE AD5520
Figure 26 shows the AD5520 as connected in a typical applica-
tion. The external components required are three compensation
capacitors and six sense resistors, depending on the number of
ranges required. If high current ranges >6 mA are required, an
external amplifier must be used with relays (or some form of
high current switch) to switch in the different current ranges to
the DUT. Other components are also required to make the
PMU function.
The PMU requires a number of discrete voltage levels: five DAC
levels for each PMU used in the system, two levels each for the
comparator and clamps, and one voltage level for the AD5520
force input voltage. To use the information measured at the
DUT, an ADC such as the AD7665 (a 16-bit ADC), must be
connected to the MEASOUT pin to convert the measured
current or voltage to digital for analysis.
C
LLD
ETEC
T
MEASI4H
FIN
BW SELECT
COMP
OUT2
FOH1
FOH2
FOH3
FOH0
AVEE AVCC
MEASI3H
CLH
CLL
REFGND
MEASIOUT
MEASOUT
MEASVOUT
CPH
CPOH
CPOL
CPL
MEASI5H
MEASIL
GUARDIN
GUARD
MEASVH
MEASVL
AGND
QM5
QM4
DGND
DV
DD
CS
S
T
ANDBY
COMP
OUT1
COMP
OUT0
COMP
IN2
COMP
IN1
COMP
IN0
CLAMP
DETECT
ISENSE
INST AMP
VSENSE
INST AMP
LOGICS
AC0
AC1
CLHDE
TE
CT
MO
E
AM0
AM1
AM2
M
SEL
FSEL
C
PSEL
STB
CPCK
AD5520
COMPARATOR
125k
Ω
12.5k
Ω
1.25k
Ω
125
Ω
12.5
Ω
3.126
Ω
AD815
RELAY
<±11.5V
DUT
<±100mV
±11V
≥
MEASI2H
MEASI1H
MEASI0H
+15V –15V
100pF
1000pF
3000pF
FOH
FORCE
AMPLIFIER
G = 16
G = 1
03701-026
Figure 26. Typical Configuration of the AD5520 as Used in an ATE Circuit
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