V
參數資料
型號： EVAL-AD5380EBZ
廠商： Analog Devices Inc
文件頁數： 38/40頁
文件大?。?/td> 0K
描述： BOARD EVAL FOR AD5380
產品培訓模塊： DAC Architectures
標準包裝： 1
DAC 的數量： 40
位數： 14
采樣率（每秒）： 125k
數據接口： DSP，I²C，MICROWIRE?，并行，QSPI?，SPI?
設置時間： 8µs
DAC 型： 電壓
工作溫度： -40°C ~ 85°C
已供物品： 板，CD
已用 IC / 零件： AD5380
Data Sheet
AD5380
Rev. C | Page 7 of 40
Parameter
AD5380-31
Unit
Test Conditions/Comments
LOGIC OUTPUTS (BUSY, SDO)3
VOL, Output Low Voltage
0.4
V max
Sinking 200 A
VOH, Output High Voltage
DVDD – 0.5
V min
Sourcing 200 A
High Impedance Leakage Current
±1
A max
SDO only
High Impedance Output Capacitance
5
pF typ
SDO only
LOGIC OUTPUT (SDA)3
VOL, Output Low Voltage
0.4
V max
ISINK = 3 mA
0.6
V max
ISINK = 6 mA
Three-State Leakage Current
±1
A max
Three-State Output Capacitance
8
pF typ
POWER REQUIREMENTS
AVDD
2.7/3.6
V min/max
DVDD
2.7/5.5
V min/max
Power Supply Sensitivity3
Midscale/ΑVDD
–85
dB typ
AIDD
0.375
mA/channel max
Outputs unloaded; Boost off; 0.25 mA/channel typ
0.475
mA/channel max
Outputs unloaded; Boost on; 0.325 mA/channel typ
DIDD
1
mA max
VIH = DVDD, VIL = DGND.
AIDD (Power-Down)
20
A max
Typically 100 nA
DIDD (Power-Down)
20
A max
Typically 1 A
Power Dissipation
48
mW max
Outputs unloaded; Boost off, AVDD = DVDD = 3 V
1 AD5380-3 is calibrated using an external 1.25 V reference. Temperature range is –40°C to +85°C.
2 Accuracy guaranteed from VOUT = 10 mV to AVDD – 50 mV.
3 Guaranteed by characterization, not production tested.
4 Default on the AD5380-3 is 1.25 V. Programmable to 2.5 V via CR12 in the AD5380 control register; operating the AD5380-3 with a 2.5 V reference will lead to degraded
accuracy specifications and limited input code range.
AC CHARACTERISTICS1
AVDD = 2.7 V to 3.6 V or 4.5 V to 5.5 V; DVDD = 2.7 V to 5.5 V; AGND = DGND = 0 V.
Table 4.
Parameter
All
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time 2
1/4 scale to 3/4 scale change settling to ±1 LSB.
3
s typ
Boost mode off, CR11 = 0
8
s max
Boost mode off, CR11 = 0
Slew Rate2
1.5
V/s typ
Boost mode off, CR11 = 0
2.5
V/s typ
Boost mode on, CR11 = 1
Digital-to-Analog Glitch Energy
12
nV-s typ
Glitch Impulse Peak Amplitude
15
mV typ
DAC-to-DAC Crosstalk
1
nV-s typ
Digital Crosstalk
0.8
nV-s typ
Digital Feedthrough
0.1
nV-s typ
Effect of input bus activity on DAC output under test
Output Noise 0.1 Hz to 10 Hz
15
V p-p typ
External reference, midscale loaded to DAC
40
V p-p typ
Internal reference, midscale loaded to DAC
Output Noise Spectral Density
@ 1 kHz
150
nV/√Hz typ
@ 10 kHz
100
nV/√Hz typ
1 Guaranteed by design and characterization, not production tested.
2 The slew rate can be programmed via the current boost control bit (CR11) in the AD5380 control register.
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