参数资料
型号: AD5744RCSUZ-REEL7
厂商: Analog Devices Inc
文件页数: 28/32页
文件大小: 0K
描述: IC DAC QUAD 14BIT 1LSB 32TQFP
产品培训模块: Data Converter Fundamentals
DAC Architectures
产品变化通告: AD5764(R), AD5744R Product Change 04/Sept/2009
标准包装: 500
设置时间: 10µs
位数: 14
数据接口: 串行
转换器数目: 4
电压电源: 模拟和数字,双 ±
功率耗散(最大): 387mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-TQFP
供应商设备封装: 32-TQFP(7x7)
包装: 带卷 (TR)
输出数目和类型: 4 电压,双极
采样率(每秒): *
Data Sheet
AD5744R
Rev. E | Page 5 of 32
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments1
DIGITAL INPUTS2
DVCC = 2.7 V to 5.25 V
Input High Voltage, VIH
2.4
V
Input Low Voltage, VIL
0.8
V
Input Current
1.2
+1.2
μA
Per pin
Pin Capacitance
10
pF
Per pin
DIGITAL OUTPUTS (D0, D1, SDO)2
Output Low Voltage
0.4
V
DVCC = 5 V ± 5%, sinking 200 μA
Output High Voltage
DVCC 1
V
DVCC = 5 V ± 5%, sourcing 200 μA
Output Low Voltage
0.4
V
DVCC = 2.7 V to 3.6 V, sinking 200 μA
Output High Voltage
DVCC 0.5
V
DVCC = 2.7 V to 3.6 V, sourcing 200 μA
High Impedance Leakage
Current
1
+1
μA
SDO only
High Impedance Output
Capacitance
5
pF
SDO only
DIE TEMPERATURE SENSOR2
Output Voltage at 25°C
1.47
V
Die temperature
Output Voltage Scale Factor
5
mV/°C
Output Voltage Range
1.175
1.9
V
40°C to +105°C
Output Load Current
200
μA
Current source only
Power-On Time
80
ms
POWER REQUIREMENTS
AVDD
+11.4
+16.5
V
AVSS
11.4
16.5
V
DVCC
2.7
5.25
V
Power Supply Sensitivity2
VOUT/ΑVDD
85
dB
AIDD
3.55
mA/channel
Outputs unloaded
AISS
2.8
mA/channel
Outputs unloaded
DICC
1.2
mA
VIH = DVCC, VIL = DGND, 750 μA typ
Power Dissipation
275
mW
±12 V operation output unloaded
1 Temperature range: 40°C to +85°C; typical at +25°C. Device functionality is guaranteed to 105°C with degraded performance.
2 Guaranteed by design and characterization; not production tested.
3 Output amplifier headroom requirement is 1.4 V minimum.
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