參數(shù)資料
型號： DAC7801
英文描述： Dual Monolithic CMOS 12-Bit Multiplying DIGITAL-TO-ANALOG CONVERTERS
中文描述： 雙路單片CMOS 12位乘法數(shù)字到模擬轉(zhuǎn)換器
文件頁數(shù)： 2/12頁
文件大?。?/td> 180K
代理商： DAC7801
2
DAC7800, 01, 02
SPECIFICATIONS
ELECTRICAL
At V
DD
= +5VDC, V
REF A
= V
REF B
= +10V, T
A
= –40
°
C to +85
°
C, unless otherwise noted.
DAC7800, 7801, 7802K
DAC7800, 7801, 7802L
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
ACCURACY
Resolution
Relative Accuracy
Differential Nonlinearity
Gain Error
12
6
Bits
LSB
LSB
LSB
±
1
±
1
±
3
±
1/2
6
±
1
Measured Using R
FB A
and R
FB B
.
All Registers Loaded with All 1s.
Gain Temperature Coefficient
(1)
Output Leakage Current
2
5
6
6
6
6
6
6
ppm/
°
C
nA
nA
T
= +25
°
C
T
A
= –40
°
C to +85
°
C
0.005
3
10
150
REFERENCE INPUT
Input Resistance
Input Resistance Match
6
10
0.5
14
3
6
6
6
6
2
k
%
DIGITAL INPUTS
V
IH
(Input High Voltage)
V
IL
(Input Low Voltage)
I
IN
(Input Current)
2
6
V
V
μ
A
μ
A
pF
0.8
±
1
±
10
10
6
6
6
6
T
= +25
°
C
T
A
= –40
°
C to +85
°
C
C
IN
(Input Capacitance)
0.8
6
POWER SUPPLY
V
DD
I
Power Supply Rejection
4.5
5.5
2
0.002
6
6
6
6
V
0.2
6
mA
%/%
V
DD
from 4.5V to 5.5V
6
Same specification as for DAC7800, 7801, 7802K.
AC PERFORMANCE
OUTPUT OP AMP IS OPA602.
At V
DD
= +5VDC, V
REF A
= V
REF B
= +10V, T
A
= +25
°
C, unless otherwise noted. These specifications are fully characterized but not subject to test.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
NOTE: (1) Guaranteed but not tested.
DAC7800, 7801, 7802K
DAC7800, 7801, 7802L
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
OUTPUT CURRENT SETTLING TIME
To 0.01% of Full Scale
R
L
= 100
, C
L
= 13pF
0.4
0.8
6
6
μ
s
DIGITAL-TO-ANALOG GLITCH IMPULSE
V
REF A
= V
REF B
= 0V
R
L
, C
L
= 13pF
0.9
6
nV-s
AC FEEDTHROUGH
f
VREF
= 10kHz
–75
–72
6
6
dB
OUTPUT CAPACITANCE
DAC Loaded with All 0s
DAC Loaded with All 1s
30
70
50
100
6
6
6
6
pF
pF
CHANNEL-TO-CHANNEL ISOLATION
V
REF A
to I
OUT B
f
VREF A
= 10kHz
REF B
= 0V,
Both DACs Loaded with 1s
f
VREF B
= 10kHz
= 0V,
Both DACs Loaded with 1s
–90
–94
6
6
dB
V
REF B
to I
OUT A
–90
–101
6
6
dB
DIGITAL CROSSTALK
Full Scale Transition
R
L
= 100
, C
L
= 13pF
0.9
6
nV-s
6
Same specification as for DAC7800, 7801, 7802K.
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