參數(shù)資料
型號(hào): EVAL-AD5522EBUZ
廠商: Analog Devices Inc
文件頁數(shù): 14/64頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR 12X12MM AD5522
標(biāo)準(zhǔn)包裝: 1
主要目的: 測(cè)試與測(cè)量,參數(shù)測(cè)量單元(PMU)
已用 IC / 零件: AD5522
已供物品:
Data Sheet
AD5522
Rev. E | Page 21 of 64
Pin No.
Mnemonic
Description
46
CPOL2/CPO0
Comparator Output Low (Channel 2) for SPI Interface/Comparator Output Window (Channel 0) for LVDS
Interface.
47
DVCC
Digital Supply Voltage.
48
LOAD
Logic Input (Active Low). This pin synchronizes updates within one device or across a group of devices. If
synchronization is not required, LOAD can be tied low; in this case, DAC channels and PMU modes are updated
immediately after BUSY goes high. See the BUSY and LOAD Functions section for more information.
49
SDO
Serial Data Output for SPI or LVDS Interface. This pin can be used for data readback and diagnostic purposes.
50
CPOH1/SDO
Comparator Output High (Channel 1) for SPI Interface/Differential Serial Data Output (Complement) for LVDS
Interface.
51
DGND
Digital Ground Reference Point.
52
CPOL1/SYNC
Comparator Output Low (Channel 1) for SPI Interface/Differential SYNC Input for LVDS Interface.
53
SYNC
Active Low Frame Synchronization Input for SPI or LVDS Interface.
54
SDI
Serial Data Input for SPI or LVDS Interface.
55
CPOH0/SDI
Comparator Output High (Channel 0) for SPI Interface/Differential Serial Data Input (Complement) for LVDS
Interface.
56
CPOL0/SCLK
Comparator Output Low (Channel 0) for SPI Interface/Differential Serial Clock Input (Complement) for LVDS
Interface.
57
SCLK
Serial Clock Input, Active Falling Edge. Data is clocked into the shift register on the falling edge of SCLK. This
pin operates at clock speeds up to 50 MHz.
58
BUSY
Digital Input/Open-Drain Output. This pin indicates the status of the interface. See the BUSY and LOAD
Functions section for more information.
60
EXTFOH2
Force Output for High Current Range (Channel 2). Use an external resistor at this pin for current ranges up to
±80 mA. For more information, see the Current Range Selection section.
62
CFF2
External Capacitor for Channel 2. This pin optimizes the stability and settling time performance of the force
amplifier when in force voltage mode. See the Compensation Capacitors section.
63
CCOMP2
Compensation Capacitor Input for Channel 2. See the Compensation Capacitors section.
64
EXTMEASIH2
Sense Input (High Sense) for High Current Range (Channel 2).
65
EXTMEASIL2
Sense Input (Low Sense) for High Current Range (Channel 2).
66
FOH2
Force Output for Internal Current Ranges (Channel 2).
67
GUARD2
Guard Output Drive for Channel 2.
68
GUARDIN2/
DUTGND2
Guard Amplifier Input for Channel 2/DUTGND Input for Channel 2. This dual function pin is configured via the
serial interface. The default function at power-on is GUARDIN2. If this pin is configured as a DUTGND input for
the channel, the input to the guard amplifier is internally connected to MEASVH2. For more information, see
69
MEASVH2
DUT Voltage Sense Input (High Sense) for Channel 2.
72
MEASVH0
DUT Voltage Sense Input (High Sense) for Channel 0.
73
GUARDIN0/
DUTGND0
Guard Amplifier Input for Channel 0/DUTGND Input for Channel 0. This dual function pin is configured via the
serial interface. The default function at power-on is GUARDIN0. If this pin is configured as a DUTGND input for
the channel, the input to the guard amplifier is internally connected to MEASVH0. For more information, see
74
GUARD0
Guard Output Drive for Channel 0.
75
FOH0
Force Output for Internal Current Ranges (Channel 0).
76
EXTMEASIL0
Sense Input (Low Sense) for High Current Range (Channel 0).
77
EXTMEASIH0
Sense Input (High Sense) for High Current Range (Channel 0).
78
CCOMP0
Compensation Capacitor Input for Channel 0. See the Compensation Capacitors section.
79
CFF0
External Capacitor for Channel 0. This pin optimizes the stability and settling time performance of the force
amplifier when in force voltage mode. See the Compensation Capacitors section.
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