V
參數(shù)資料
型號(hào): AD5382BSTZ-3
廠商: Analog Devices Inc
文件頁(yè)數(shù): 36/40頁(yè)
文件大?。?/td> 0K
描述: IC DAC 14BIT 32CHAN 3V 100LQFP
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
產(chǎn)品變化通告: Redesign Change 28/Oct/2011
設(shè)計(jì)資源: 32 Channels of Programmable Voltage with Excellent Temperature Drift Performance Using AD5382 (CN0011)
AD5382 Channel Monitor Function (CN0012)
標(biāo)準(zhǔn)包裝: 1
設(shè)置時(shí)間: 8µs
位數(shù): 14
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 32
電壓電源: 單電源
功率耗散(最大): 65mW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-LQFP
供應(yīng)商設(shè)備封裝: 100-LQFP(14x14)
包裝: 托盤
輸出數(shù)目和類型: 32 電壓,單極
采樣率(每秒): 125k
Data Sheet
AD5382
Rev. C | Page 5 of 40
Parameter
AD5382-51
Unit
Test Conditions/Comments
LOGIC INPUTS (SDA, SCL ONLY)3
VIH, Input High Voltage
0.7 × DVDD
V min
SMBus-compatible at DVDD < 3.6 V
VIL, Input Low Voltage
0.3 × DVDD
V max
SMBus-compatible at DVDD < 3.6 V
IIN, Input Leakage Current
±1
A max
VHYST, Input Hysteresis
0.05 × DVDD
V min
CIN, Input Capacitance
8
pF typ
Glitch Rejection
50
ns max
Input filtering suppresses noise spikes of less than 50 ns
LOGIC OUTPUTS (BUSY, SDO)3
VOL, Output Low Voltage
0.4
V max
DVDD = 5 V ± 10%, sinking 200 A
VOH, Output High Voltage
DVDD – 1
V min
DVDD = 5 V ± 10%, sourcing 200 A
VOL, Output Low Voltage
0.4
V max
DVDD = 2.7 V to 3.6 V, sinking 200 A
VOH, Output High Voltage
DVDD – 0.5
V min
DVDD = 2.7 V to 3.6 V, 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
4.5/5.5
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
65
mW max
Outputs unloaded, boost off, AVDD = DVDD = 5 V
1
AD5382-5 is calibrated using an external 2.5 V reference. Temperature range for all versions: –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 AD5382-5 is 2.5 V. Programmable to 1.25 V via CR12 in the AD5382 control register; operating the AD5382-5 with a 1.25 V reference leads to degraded
accuracy specifications.
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