參數(shù)資料
型號(hào)： DAC7744EC
元件分類： 外設(shè)及接口
英文描述： Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????)
中文描述： 單電源RS232C接口線路驅(qū)動(dòng)器/接收器（單電源RS232C接口線收發(fā)器（2發(fā)2收））
文件頁(yè)數(shù)： 2/23頁(yè)
文件大小： 458K
代理商： DAC7744EC
2
DAC7744
DAC7744E
DAC7744EB
DAC7744EC
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
ACCURACY
Linearity Error
T
to T
Linearity Match
Differential Linearity Error
T
to T
Monotonicity, T
MIN
to T
MAX
Bipolar Zero Error
Bipolar Zero Error, T
MIN
to T
MAX
Full-Scale Error
Full-Scale Error, T
to T
MAX
Bipolar Zero Matching
T = 25
°
C
±
3
±
4
6
6
±
2
±
3
LSB
LSB
LSB
LSB
LSB
Bits
±
4
6
±
2
T = 25
°
C
±
3
±
3
±
2
±
2
±
1
±
1
14
15
16
T = 25
°
C
±
0.01
±
0.025
±
0.05
±
0.025
±
0.05
±
0.024
6
6
6
6
6
6
6
6
6
6
% of FSR
% of FSR
% of FSR
% of FSR
% of FSR
T = 25
°
C
Channel-to-Channel
Matching
Channel-to-Channel
Matching
At Full Scale
Full-Scale Matching
±
0.024
6
6
% of FSR
Power Supply Rejection Ratio (PSRR)
25
6
6
ppm/V
ANALOG OUTPUT
Voltage Output
Output Current
Maximum Load Capacitance
Short-Circuit Current
Short-Circuit Duration
V
REF
L
5
V
REF
H
6
6
6
6
6
6
V
mA
pF
mA
500
±
20
6
6
6
6
6
6
To V
SS
, V
DD
or GND
Indefinite
REFERENCE INPUT
Ref High Input Voltage Range
Ref Low Input Voltage Range
Ref High Input Current
Ref Low Input Current
V
REF
L + 1.25
–10
–0.3
–3.2
+10
6
6
6
6
6
6
6
6
V
V
V
REF
H – 1.25
2.6
–0.3
6
6
6
6
mA
mA
DYNAMIC PERFORMANCE
Settling Time
To
±
0.003%, 20V
Output Step
See Figure 5
9
11
6
6
6
6
μ
s
Channel-to-Channel Crosstalk
Digital Feedthrough
Output Noise Voltage
0.5
2
60
6
6
6
6
6
6
LSB
nV-s
nV/
√
Hz
f = 10kHz
DIGITAL INPUT
V
IH
V
IL
I
IH
I
IL
0.7 V
DD
0
V
6
6
V
V
μ
A
μ
A
0.3 V
DD
±
10
±
10
6
6
6
DIGITAL OUTPUT
V
OH
V
OL
I
OH
= –0.8mA
I
OL
= 1.6mA
3.6
4.5
0.3
6
6
6
6
6
6
V
V
0.4
6
6
POWER SUPPLY
V
DD
V
CC
V
SS
I
DD
I
CC
I
Power
+4.75
+14.25
–14.25
+5.0
+15.0
–15.0
50
6
–5
170
+5.25
+15.75
–15.75
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
V
V
V
μ
A
mA
mA
mW
200
TEMPERATURE RANGE
Specified Performance
–40
+85
6
6
6
6
°
C
6
Specifications same as grade to the left.
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.
SPECIFICATIONS
(Dual Supply)
At T
A
= T
MIN
to T
MAX
, V
CC
= +15V, V
DD
= +5V, V
SS
= –15V, V
REF
H = +10V, and V
REF
L = –10V, unless otherwise noted.
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