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参数资料
| 型号： | EVAL-AD5522EBDZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 13/64页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR 14X14MM AD5522 |
| 标准包装： | 1 |
| 主要目的： | 测试与测量，参数测量单元（PMU） |
| 已用 IC / 零件： | AD5522 |
| 已供物品： | 板 |
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AD5522
Data Sheet
Rev. E | Page 20 of 64
Pin No.
Mnemonic
Description
6
SPI/LVDS
Interface Select Pin. Logic low selects SPI-compatible interface mode; logic high selects LVDS interface mode.
This pin has a pull-down current source (~350 μA). In LVDS interface mode, the CPOHx and CPOLx pins default
to differential interface pins.
7, 21, 40,
61, 80
AVDD
Positive Analog Supply Voltage.
8
DUTGND
DUT Voltage Sense Input (Low Sense). By default, this input is shared among all four PMU channels. If a DUTGND
input is required for each channel, the user can configure the GUARDINx/DUTGNDx pins as DUTGND inputs for
each PMU channel.
9
VREF
Reference Input for DAC Channels. 5 V for specified performance.
10
REFGND
Accurate Analog Reference Input Ground.
11
SYS_SENSE
External Sense Signal Output. This pin enables the connection of the system PMU.
12, 30, 31,
70, 71
AGND
Analog Ground. These pins are the reference points for the analog supplies and the measure circuitry.
13
SYS_FORCE
External Force Signal Input. This pin enables the connection of the system PMU.
15
MEASOUT0
Multiplexed DUT Voltage, Current Sense Output, Temperature Sensor Voltage for Channel 0. This pin is
referenced to AGND.
16
MEASOUT1
Multiplexed DUT Voltage, Current Sense Output, Temperature Sensor Voltage for Channel 1. This pin is
referenced to AGND.
17
MEASOUT2
Multiplexed DUT Voltage, Current Sense Output, Temperature Sensor Voltage for Channel 2. This pin is
referenced to AGND.
18
MEASOUT3
Multiplexed DUT Voltage, Current Sense Output, Temperature Sensor Voltage for Channel 3. This pin is
referenced to AGND.
20
EXTFOH1
Force Output for High Current Range (Channel 1). Use an external resistor at this pin for current ranges up to
±80 mA. For more information, see the Current Range Selection section.
22
CFF1
External Capacitor for Channel 1. This pin optimizes the stability and settling time performance of the force
amplifier when in force voltage mode. See the Compensation Capacitors section.
23
CCOMP1
Compensation Capacitor Input for Channel 1. See the Compensation Capacitors section.
24
EXTMEASIH1
Sense Input (High Sense) for High Current Range (Channel 1).
25
EXTMEASIL1
Sense Input (Low Sense) for High Current Range (Channel 1).
26
FOH1
Force Output for Internal Current Ranges (Channel 1).
27
GUARD1
Guard Output Drive for Channel 1.
28
GUARDIN1/
DUTGND1
Guard Amplifier Input for Channel 1/DUTGND Input for Channel 1. This dual function pin is configured via the
serial interface. The default function at power-on is GUARDIN1. If this pin is configured as a DUTGND input for
the channel, the input to the guard amplifier is internally connected to MEASVH1. For more information, see
the Device Under Test Ground (DUTGND) section and the Guard Amplifier section.
29
MEASVH1
DUT Voltage Sense Input (High Sense) for Channel 1.
32
MEASVH3
DUT Voltage Sense Input (High Sense) for Channel 3.
33
GUARDIN3/
DUTGND3
Guard Amplifier Input for Channel 3/DUTGND Input for Channel 3. This dual function pin is configured via the
serial interface. The default function at power-on is GUARDIN3. If this pin is configured as a DUTGND input for
the channel, the input to the guard amplifier is internally connected to MEASVH3. For more information, see
the Device Under Test Ground (DUTGND) section and the Guard Amplifier section.
34
GUARD3
Guard Output Drive for Channel 3.
35
FOH3
Force Output for Internal Current Ranges (Channel 3).
36
EXTMEASIL3
Sense Input (Low Sense) for High Current Range (Channel 3).
37
EXTMEASIH3
Sense Input (High Sense) for High Current Range (Channel 3).
38
CCOMP3
Compensation Capacitor Input for Channel 3. See the Compensation Capacitors section.
39
CFF3
External Capacitor for Channel 3. This pin optimizes the stability and settling time performance of the force
amplifier when in force voltage mode. See the Compensation Capacitors section.
41
EXTFOH3
Force Output for High Current Range (Channel 3). Use an external resistor at this pin for current ranges up to
±80 mA. For more information, see the Current Range Selection section.
43
CPOH3/CPO3
Comparator Output High (Channel 3) for SPI Interface/Comparator Output Window (Channel 3) for LVDS
Interface.
44
CPOL3/CPO2
Comparator Output Low (Channel 3) for SPI Interface/Comparator Output Window (Channel 2) for LVDS
Interface.
45
CPOH2/CPO1
Comparator Output High (Channel 2) for SPI Interface/Comparator Output Window (Channel 1) for LVDS
Interface.
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