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参数资料
型号： AD7392AR
厂商： ANALOG DEVICES INC
元件分类： DAC
英文描述： +3 V, Parallel Input Micropower 10- and 12-Bit DACs
中文描述： PARALLEL, WORD INPUT LOADING, 70 us SETTLING TIME, 12-BIT DAC, PDSO20
封装： MS-013AC, SOIC-20
文件页数： 14/20页
文件大小： 451K
代理商： AD7392AR
AD7392/AD7393
Rev. C | Page 3 of 20
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
At VREF = 2.5 V, 40°C < TA < +85°C, unless otherwise noted.
Table 1. AD7392
Parameter
Symbol
Conditions
3 V ± 10%
5 V ± 10%
Unit
STATIC PERFORMANCE
Resolution1
N
12
Bits
Relative Accuracy2
INL
TA = +25°C
±1.8
LSB max
TA = 40°C, +85°C
±3
LSB max
Differential Nonlinearity2
DNL
TA = +25°C, monotonic
±0.9
LSB max
Monotonic
±1
LSB max
Zero-Scale Error
VZSE
Data = 0x000, TA = +25°C, +85°C
4.0
mV max
Data = 0x000, TA = 40°C
8.0
mV max
Full-Scale Voltage Error
VFSE
TA = +25°C, +85°C, data = 0xFFF
±8
mV max
TA = 40°C, data = 0xFFF
±20
mV max
Full-Scale Temperature Coefficient3
TCVFS
28
ppm/°C typ
REFERENCE INPUT
VREF Range
VREF
0/VDD
V min/max
Input Resistance
RREF
2.5
MΩ typ4
Input Capacitance3
CREF
5
pF typ
ANALOG OUTPUT
Current (Source)
IOUT
Data = 0x800, VOUT = 5 LSB
1
mA typ
Output Current (Sink)
IOUT
Data = 0x800, VOUT = 5 LSB
3
mA typ
Capacitive Load3
CL
No oscillation
100
pF typ
LOGIC INPUTS
Logic Input Low Voltage
VIL
0.5
0.8
V max
Logic Input High Voltage
VIH
VDD 0.6
V min
Input Leakage Current
IIL
10
μA max
Input Capacitance3
CIL
10
pF max
INTERFACE TIMING3, 5
Chip Select Write Width
tCS
45
ns min
Data Setup
tDS
30
15
ns min
Data Hold
tDH
20
5
ns min
Reset Pulse Width
tRS
40
30
ns min
AC CHARACTERISTICS
Output Slew Rate
SR
Data = 0x000 to 0xFFF to 0x000
0.05
V/μs typ
Settling Time6
tS
To ±0.1% of full scale
70
60
μs typ
Shutdown Recovery Time
tSDR
80
μs typ
DAC Glitch
Code 0x7FF to Code 0x800 to Code 0x7FF
65
nV/s typ
Digital Feedthrough
15
nV/s typ
Feedthrough
VOUT/VREF
VREF = 1.5 V dc + 1 V p-p, data = 0x000,
f = 100 kHz
63
dB typ
SUPPLY CHARACTERISTICS
Power Supply Range
VDD RANGE
DNL < ±1 LSB
2.7/5.5
V min/max
Positive Supply Current
IDD
VIL = 0 V, no load
55/100
μA typ/max
Shutdown Supply Current
IDD-SD
SHDN = 0, VIL = 0 V, no load
0.1/1.5
μA typ/max
Power Dissipation
PDISS
VIL = 0 V, no load
300
500
μW max
Power Supply Sensitivity
PSS
Δ VDD = ±5%
0.006
%/% max
1 One LSB = VREF/4096 V for the 12-bit AD7392.
2 The first two codes (0x000, 0x001) are excluded from the linearity error measurement.
3 These parameters are guaranteed by design and not subject to production testing.
4 Typicals represent average readings measured at +25°C.
5 All input control signals are specified with tR = tF = 2 ns (10% to 90% of 13 V) and timed from a voltage level of 1.6 V.
6 The settling time specification does not apply for negative going transitions within the last 3 LSBs of ground.
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相关代理商/技术参数
参数描述
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AD7392ARZ 制造商:Analog Devices 功能描述:IC 12-BIT DAC
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AD7393 制造商:AD 制造商全称:Analog Devices 功能描述:+3 V, Parallel Input Micropower 10- and 12-Bit DACs
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