參數(shù)資料
型號(hào)： AD7244JNZ
廠商： ANALOG DEVICES INC
元件分類： DAC
英文描述： 12-/14-Bit DAC, 3 V Buried Zener Reference, DAC
中文描述： DUAL, SERIAL INPUT LOADING, 2 us SETTLING TIME, 14-BIT DAC, PDIP24
封裝： 0.300 INCH, PLASTIC, DIP-24
文件頁數(shù)： 6/12頁
文件大?。?/td> 314K
代理商： AD7244JNZ
AD7244
Parameter
J, A Versions
1
S Version
1
Units
Test Conditions/Comments
DC ACCURACY
Resolution
14
Bits
Integral Nonlinearity
±2
LSB max
Differential Nonlinearity
±1
LSB max
Guaranteed Monotonic
Bipolar Zero Error
±10
LSB max
Positive Full-Scale Error
2
±10
LSB max
Negative Full-Scale Error
2
±10
LSB max
REFERENCE OUTPUT
3
REF OUT @ +25
°C
2.99/3.01
V min/V max
TMIN to TMAX
2.98/3.02
V min/V max
REF OUT Tempco
35
ppm/
°C typ
Reference Load Change
(
REF OUT vs. I)
–1
mV max
Reference Load Current Change (0
A–500 A)
REFERENCE INPUTS
REF INA, REF INB Input Range
2.85/3.15
V min/V max
3 V
± 5%
Input Current
1
A max
LOGIC INPUTS
(LDACA, LDACB, TFSA, TFSB,
TCLKA, TCLKB, DTA, DTB)
Input High Voltage, VINH
2.4
V min
VDD = 5 V ± 5%
Input Low Voltage, VINL
0.8
V max
VDD = 5 V ± 5%
Input Current, IIN
±10
A max
VIN = 0 V to VDD
Input Capacitance, CIN
4
10
pF max
ANALOG OUTPUTS
(VOUTA, VOUTB)
Output Voltage Range
±3
V nom
DC Output Impedance
0.1
typ
Short Circuit Current
20
mA typ
AC CHARACTERISTICS
4
Voltage Output Settling Time
Settling Time to Within
±1/2 LSB of Final Value
Positive Full-Scale Change
4
s max
Typically 2.5
s
Negative Full-Scale Change
4
s max
Typically 2.5
s
Digital-to-Analog Glitch Impulse
10
nV secs typ
DAC Code Change All 1s to All 0s
Digital Feedthrough
2
nV secs typ
Channel-to-Channel Isolation
110
dB typ
VOUT = 10 kHz Sine Wave
POWER REQUIREMENTS
VDD
+5
V nom
±5% for Specified Performance
VSS
–5
V nom
±5% for Specified Performance
IDD
27
28
mA max
Cumulative Current from the Two VDD Pins
ISS
15
mA max
Cumulative Current from the Two VSS Pins
Total Power Dissipation
195
205
mW max
Typically 130 mW
NOTES
1Temperature ranges are as follows: J Version: 0
°C to +70°C; A Version: –40°C to +85°C; S Version: –55°C to +125°C.
2Measured with respect to REF IN and includes bipolar offset error.
3For capacitive loads greater than 50 pF, a series resistor is required (see Internal Reference section).
4Sample tested @ +25
°C to ensure compliance.
Specifications subject to change without notice.
AD7242/AD7244
REV. A
–3–
AD7244 ORDERING GUIDE
Temperature
Integral
Package
Model1
Range
Nonlinearity
Option2
AD7244JN
–40
°C to +85°C
±2 LSB max
N-24
AD7244JR
–40
°C to +85°C
±2 LSB max
R-28
AD7244AQ
–40
°C to +85°C
±2 LSB max
Q-24
AD7244SQ3
–55
°C to +125°C
±2 LSB max
Q-24
NOTES
1To order MIL-STD-883, Class B, processed parts, add /883B to part number.
Contact local sales office for military data sheet and availability.
2N = Plastic DIP; Q = Cerdip; R = Small Outline IC (SOIC).
3This grade will be available to /883B processing only.
OBSOLETE
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