參數(shù)資料
型號(hào)： AD7242BQ
廠商： ANALOG DEVICES INC
元件分類： DAC
英文描述： LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs
中文描述： DUAL, SERIAL INPUT LOADING, 2 us SETTLING TIME, 12-BIT DAC, CDIP24
封裝： 0.300 INCH, HERMETIC SEALED, CERDIP-24
文件頁(yè)數(shù)： 2/12頁(yè)
文件大?。?/td> 319K
代理商： AD7242BQ
REV. A
–2–
AD7242/AD7244–SPECIFICATIONS
All Specifications T
MIN
to T
MAX
unless otherwise noted.)
(V
DD
= +5 V
6
5% V
SS
= –5 V
6
5%, AGND = DGND = 0 V, REF INA =
REF INB = +3 V. V
OUTA
, V
OUTB
load to AGND: R
L
= 2 k
V
, C
L
= 100 pF.
AD7242
J, A Versions
1
Parameter
K, B Versions
1
Units
Test Conditions/Comments
DC ACCURACY
Resolution
Integral Nonlinearity
Differential Nonlinearity
Bipolar Zero Error
Positive Full-Scale Error
2
Negative Full-Scale Error
2
12
±
1
±
1
±
5
±
5
±
5
12
±
1/2
±
1
±
5
±
5
±
5
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
Guaranteed Monotonic
REFERENCE OUTPUT
3
REF OUT @ +25
°
C
T
MIN
to T
MAX
REF OUT Tempco
Reference Load Change
(
REF OUT vs.
I)
2.99/3.01
2.98/3.02
35
2.99/3.01
2.98/3.02
35
V min/V max
V min/V max
ppm/
°
C typ
–1
–1
mV max
Reference Load Current Change (0
μ
A–500
μ
A)
REFERENCE INPUTS
REF INA, REF INB Input Range
Input Current
2.85/3.15
1
2.85/3.15
1
V min/V max
μ
A max
3 V
±
5%
LOGIC INPUTS
(
LDACA, LDACB, TFSA, TFSB,
TCLKA, TCLKB, DTA, DTB)
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN4
2.4
0.8
±
10
10
2.4
0.8
±
10
10
V min
V max
μ
A max
pF max
V
DD
= 5 V
±
5%
V
DD
= 5 V
±
5%
V
IN
= 0 V to V
DD
ANALOG OUTPUTS
(V
OUTA
, V
OUTB
)
Output Voltage Range
DC Output Impedance
Short Circuit Current
±
3
0.1
20
±
3
0.1
20
V nom
typ
mA typ
AC CHARACTERISTICS
4
Voltage Output Settling Time
Positive Full-Scale Change
Negative Full-Scale Change
Digital-to-Analog Glitch Impulse
Digital Feedthrough
Channel-to-Channel Isolation
Settling Time to Within
±
1/2 LSB of Final Value
Typically 2
μ
s
Typically 2
μ
s
DAC Code Change All 1s to All 0s
3
3
10
2
110
3
3
10
2
110
μ
s max
μ
s max
nV secs typ
nV secs typ
dB typ
V
OUT
= 10 kHz Sine Wave
POWER REQUIREMENTS
V
DD
V
SS
I
DD
I
SS
Total Power Dissipation
+5
–5
27
15
195
+5
–5
27
15
195
V nom
V nom
mA max
mA max
mW max
±
5% for Specified Performance
±
5% for Specified Performance
Cumulative Current from the Two V
DD
Pins
Cumulative Current from the Two V
SS
Pins
Typically 130 mW
NOTES
1
Temperature ranges are as follows: J, K Versions: –40
°
C to +85
°
C; A, B Versions: –40
°
C to +85
°
C.
2
Measured with respect to REF IN and includes bipolar offset error.
3
For capacitive loads greater than 50 pF, a series resistor is required (see Internal Reference section).
4
Sample tested @ +25
°
C to ensure compliance.
Specifications subject to change without notice.
AD7242 ORDERING GUIDE
Temperature
Range
Integral
Nonlinearity
Package
Option*
Model
AD7242JN
AD7242KN
AD7242JR
AD7242KR
AD7242AQ
AD7242BQ
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
±
1 LSB max
±
1/2 LSB max
±
1 LSB max
±
1/2 LSB max
±
1 LSB max
±
1/2 LSB max
N-24
N-24
R-28
R-28
Q-24
Q-24
*N = Plastic DIP; Q = Cerdip; R = Small Outline IC (SOIC).
相關(guān)PDF資料
PDF描述
AD7242JR LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs
AD7242KR LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs
AD7244 LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs
AD7244AQ LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs
AD7242JN LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7242JN 制造商:Analog Devices 功能描述:
AD7242JR 制造商:Analog Devices 功能描述:
AD7242KN 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs
AD7242KR 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs
AD7243 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS 12-Bit Serial DACPORT
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