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參數(shù)資料
| 型號： | AD7306JR |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS-232 RS-422 24-SOIC |
| 標(biāo)準(zhǔn)包裝： | 31 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 3/3 |
| 規(guī)程： | RS232 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SOIC W |
| 包裝： | 管件 |
AD7306
REV. B
–3–
Parameter
Typ
Max
Units
Test Conditions/Comments
RS-422 Driver
Propagation Delay Input to Output TPLH, TPHL
35
100
ns
RL Diff = 100
. C
L1 = CL2 = 100 pF, Figures 2 & 4
RS-422 O/P to O/P TSKEW
210
ns
RL Diff = 100 . CL1 = CL2 = 100 pF, Figures 2 & 4
Driver Rise/Fall Time TR, TF
15
40
ns
RL Diff = 100
. C
L1 = CL2 = 100 pF, Figures 2 & 4
RS-422 Receiver
Propagation Delay Input to Output TPLH, TPHL
70
200
ns
CL = 15 pF. Figure 5
RS-232/RS-422 Enable
RS-232 Disable to RS-422 Enable TEN1
70
200
ns
Figure 6
RS-422 Disable to RS-232 Enable TEN2
70
200
ns
Figure 6
Transmission Rate (RS-422)
5
MHz
RS-232 Receiver
Propagation Delay Input to Output
1000
ns
Transmission Rate (RS-232)
100
kHz
CL = 50 pF
20
kHz
CL = 2.5 nF
TIMING SPECIFICATIONS
(VCC = +5 V
5%, C1 = C2 = C3 = C4 = 0.1
F. All specifications TMIN to TMAX
unless otherwise noted.)
ABSOLUTE MAXIMUM RATINGS*
(TA = +25°C unless otherwise noted)
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7 V
V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . (VCC –0.3 V) to +13.2 V
V– . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to –13.2 V
Inputs
T1IN, T2IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V– to V+
T3IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to V+
R1IN A/B, R2IN . . . . . . . . . . . . . . . . . . . . . . . –25 V to +25 V
232/422 SEL . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to V+
Outputs
T1OUT, T2OUT . . . . . . . . . . . . . . . . . . . . . . . –15 V to +15 V
T3OUT(A), (B) . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
R1OUT, R2OUT . . . . . . . . . . . . . . . . –0.3 V to (VCC + 0.3 V)
Short Circuit Duration
TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
Power Dissipation
Small Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650 mW
DIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650 mW
Operating Temperature Range
Commercial (J Version) . . . . . . . . . . . . . . . . . 0
°C to +70°C
Industrial (A Version) . . . . . . . . . . . . . . . . –40
°C to +85°C
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Lead Temperature (Soldering, 10 secs) . . . . . . . . . . . +300
°C
*Stresses above those listed under “Absolute Maximum Ratings” may cause
permanent damage to the device. This is a stress rating only and functional
operation of the device at these or any other conditions above those listed in the
operational sections of this specification is not implied. Exposure to absolute
maximum ratings for extended periods of time may affect device reliability.
WARNING!
ESD SENSITIVE DEVICE
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD7306 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
ORDERING GUIDE
Model
Temperature Range
Package Description
Package Option
AD7306JR
0
°C to +70°C
24-Lead SOIC
R-24
AD7306JN
0
°C to +70°C
24-Pin DIP
N-24
AD7306AR
–40
°C to +85°C
24-Lead SOIC
R-24
AD7306AN
–40
°C to +85°C
24-Pin DIP
N-24
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