参数资料
| 型号： | AD5522JSVDZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 42/64页 |
| 文件大小： | 0K |
| 描述： | IC PMU QUAD 16BIT DAC 80-TQFP |
| 产品变化通告： | Improve FI ac crosstalk |
| 设计资源： | Parametric Measurement Unit and Supporting Components for PAD Appls Using AD5522 and AD7685 (CN0104) |
| 标准包装： | 1 |
| 类型： | 每引脚参数测量单元（PPMU） |
| 应用： | 自动测试设备 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 80-TQFP 裸露焊盘 |
| 供应商设备封装： | 80-TQFP（12x12） |
| 包装： | 托盘 |
| 产品目录页面： | 798 (CN2011-ZH PDF) |
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Data Sheet
AD5522
Rev. E | Page 47 of 64
Bit
Bit Name
Description
7
GAIN1
MEASOUTx output range. The MEASOUTx range defaults to the force voltage span for voltage and current
measurements, which includes some overrange to allow for offset correction. The nominal output voltage range is
±11.25 V with the default offset DAC setting, but changes for other offset DAC settings when GAIN1 = 0.
Therefore, the MEASOUTx range can be an asymmetrical bipolar voltage range. GAIN1 = 1 enables a unipolar
output voltage range, which allows the use of asymmetrical supplies or a smaller input range ADC. See Table 10
and Table 11 for more details.
6
GAIN0
MEASOUT
Function
Measure
Current
Gain
Output Voltage Range for VREF = 5 V, Offset DAC = 0xA492
GAIN1 = 0, MEASOUT Gain = 1
GAIN1 = 1, MEASOUT Gain = 0.2
MV
5 or 10
±VDUT (up to ±11.25 V)
0 V to 4.5 V
MI (GAIN0 = 0)
10
±IDUT × RRSENSE × 10 + VMID (up to ±11.25 V)
0 V to 4.5 V
MI (GAIN0 = 1)
5
±IDUT × RRSENSE × 5 + VMID (up to ±5.625 V)
0 V to 2.25 V
5
TMP ENABLE
Thermal shutdown feature. To disable the thermal shutdown feature, set the TMP ENABLE bit to 0 (thermal
shutdown is enabled by default).
4
TMP1
The TMP1 and TMP0 bits allow the user to program the temperature that triggers thermal shutdown.
3
TMP0
TMP ENABLE
TMP1
TMP0
Action
0
X
Thermal shutdown disabled.
1
X
Thermal shutdown enabled.
1
0
Shutdown at junction temperature of 130°C (power-on default).
1
0
1
Shutdown at junction temperature of 120°C.
1
0
Shutdown at junction temperature of 110°C.
1
Shutdown at junction temperature of 100°C.
2
Latched
Configure the open-drain pin (CGALM) as a latched or unlatched output pin. When high, this bit configures the
CGALM alarm output as a latched output, allowing it to drive a controller I/O without needing to poll the line
constantly. The power-on default for this pin is unlatched.
1
0
Unused bits. Set to 0.
0 (LSB)
0
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