参数资料
型号: EVAL-AD5757SDZ
厂商: Analog Devices Inc
文件页数: 5/44页
文件大小: 0K
描述: BOARD EVAL FOR AD5757
标准包装: 1
DAC 的数量: 4
位数: 16
数据接口: 串行
设置时间: 15µs
DAC 型: 电流
工作温度: -40°C ~ 105°C
已供物品:
已用 IC / 零件: AD5757
Data Sheet
AD5757
Rev. D | Page 13 of 44
Pin No.
Mnemonic
Description
51
CHARTC
HART Input Connection for DAC Channel C.
54
I
OUT_D
Current Output Pin for DAC Channel D.
56
V
BOOST_D
Supply for Channel D Current Output Stage (see Figure 49). To use the dc-to-dc feature of the device, connect as
57
COMP
DCDC_D
DC-to-DC Compensation Capacitor. Connect a 10 nF capacitor from this pin to ground. Used to regulate the
feedback loop of the Channel D dc-to-dc converter. Alternatively, if using an external compensation resistor,
place a resistor in series with a capacitor to ground from this pin (see the DC-to-DC Converter Compensation
information).
58
IGATED
Optional Connection for External Pass Transistor. Should be left unconnected when using the dc-to-dc converter.
See the External PMOS Mode section for more information.
59
CHARTD
HART Input Connection for DAC Channel D.
61
REFIN
External Reference Voltage Input.
62
REFOUT
Internal Reference Voltage Output. It is recommended to place a 0.1 F capacitor between REFOUT and
REFGND.
REFOUT must be connected to REFIN to use the internal reference.
63
R
SET_D
An external, precision, low drift 15 k current setting resistor can be connected to this pin to improve the I
OUT_D
temperature drift performance. See the Device Features section.
64
R
SET_C
An external, precision, low drift 15 k current setting resistor can be connected to this pin to improve the I
OUT_C
temperature drift performance. See the Device Features section.
EPAD
Exposed Pad. This exposed pad should be connected to AGND, or, alternatively, it can be left electrically
unconnected. It is recommended that the pad be thermally connected to a copper plane for enhanced thermal
performance.
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