参数资料
型号: AD5378ABC
厂商: Analog Devices Inc
文件页数: 26/29页
文件大小: 0K
描述: IC DAC 14BIT 32CHAN 108CSPBGA
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 1
设置时间: 20µs
位数: 14
数据接口: 串行,并联
转换器数目: 32
电压电源: 模拟和数字,双 ±
功率耗散(最大): 850mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 108-BGA,CSPBGA
供应商设备封装: 108-CSPBGA(13x13)
包装: 托盘
输出数目和类型: 32 电压,双极
采样率(每秒): 50k
AD5378
Rev. A | Page 5 of 28
Parameter
A Version1
Unit
Test Conditions/Comments
POWER REQUIREMENTS
VCC
2.7/5.5
V min/max
VDD
8.5/16.5
V min/max
VSS
3/16.5
V min/max
Power Supply Sensitivity2
Full Scale/ VDD
75
dB typ
Full Scale/ VSS
75
dB typ
Full Scale/ VCC
90
dB typ
ICC
5
mA max
VCC = 5.5 V, VIH = VCC, VIL = GND
IDD
28
mA max
Outputs unloaded; typically 20 mA
ISS
23
mA max
Outputs unloaded; typically 15 mA
Power Dissipation
Power Dissipation Unloaded (P)
850
mW max
VDD = 16.5 V, VSS = 16.5 V
Power Dissipation Loaded (PTOTAL)
2000
mW max
PTOTAL = P + Σ(VDD VO) × ISOURCE + Σ(VO VSS) × ISINK
Junction Temperature
130
°C max
TJ = TA + PTOTAL × θJ3
1 Temperature range for the A version: 40°C to +85°C. Typical specifications are at 25°C.
2 Guaranteed by design and characterization; not production tested.
3 Where
θJ represents the package thermal impedance.
AC CHARACTERISTICS
VCC = 2.7 V to 5.5 V; VDD = 11.4 V to 16.5 V; VSS = 11.4 V to 16.5 V; VREF(+) = +5 V; VREF() = 3.5 V;
AGND = DGND = REFGND = 0 V; VBIAS = 5 V; CL = 220 pF; RL = 11 kΩ to 3 V; gain = 1; offset = 0 V.
Table 4.
Parameter
A Version1
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time
20
μs typ
Full-scale change to ±1/2 LSB
30
μs max
DAC latch contents alternately loaded with all 0s and
all 1s
Slew Rate
1
V/μs typ
Digital-to-Analog Glitch Energy
20
nV-s typ
Glitch Impulse Peak Amplitude
15
mV max
Channel-to-Channel Isolation
100
dB typ
VREF(+) = 2 V p-p, (1 VBIAS) 1 kHz, VREF() = 1 V
DAC-to-DAC Crosstalk
40
nV-s typ
See the Terminology section; between DACs inside a
group
10
nV-s typ
Between DACs from different groups
Digital Crosstalk
0.1
nV-s typ
Digital Feedthrough
1
nV-s typ
Effect of input bus activity on DAC output under test
Output Noise Spectral Density @ 1 kHz
350
nV/(Hz)1/2 typ
VREF(+) = VREF() = 0 V
1 Guaranteed by design and characterization; not production tested.
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