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參數資料
| 型號： | AD7306JR |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 2/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS-232 RS-422 24-SOIC |
| 標準包裝： | 31 |
| 類型： | 收發(fā)器 |
| 驅動器/接收器數： | 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） |
| 供應商設備封裝： | 24-SOIC W |
| 包裝： | 管件 |
REV. B
–2–
AD7306–SPECIFICATIONS
(VCC = +5 V
5%, C1 = C2 = C3 = C4 = 0.1
F. All specifications TMIN to
TMAX unless otherwise noted.)
Parameter
Min
Typ
Max
Units
Test Conditions/Comments
RS-232 DRIVER
TTL Input Logic Low, VINL
0.8
V
TTL Input Logic High, VINH
2.0
V
Input Logic Current
0.1
±10
AV
IN = 0 V to VCC
RS-232 High Level Output Voltage
5.0
7.3
V
RL = 3 k
RS-232 Low Level Output Voltage
–5.0
–6.5
V
RL = 3 k
Output Short Circuit Current
±5
±12
mA
VOUT = 0 V, TA = 0°C to +70°C
Slew Rate
8
20
30
V/
sC
L = 50 pF, RL = 3 k
4V/
sC
L = 2500 pF, RL = 3 k
Output Resistance (Powered Down)
300
10M
VCC = 0 V, VOUT = ± 3 V
RS-232 RECEIVER
Input Voltage Range
–15
+15
V
RS-232 Input Threshold Low
0.8
1.3
V
RS-232 Input Threshold High
1.7
2.4
V
RS-232 Input Hysteresis
0.1
0.4
1.0
V
RS-232 Input Resistance
3
5
7
k
TTL Output Voltage Low, VOL
0.2
0.4
V
IOUT = +4 mA
TTL Output Voltage High, VOH
3.5
4.8
V
IOUT = –4 mA
RS-422 DRIVER
TTL Input Logic Low, VINL
0.8
V
TTL Input Logic High, VINH
2.0
V
Logic Input Current
0.1
±10
AV
IN = 0 V to VCC
Differential Output Voltage
5.0
V
VCC = 5 V, RL Diff =
∞; Figure 3
2V
RL Diff = 100
; Figure 3
Common-Mode Output Voltage
3
V
|V
OUT| for Complementary O/P States
0.2
V
RL Diff = 100
Output Short Circuit Current
35
150
mA
0 V
≤ V
CMR
≤ +7 V
RS-422 RECEIVER
Common-Mode Voltage Range
±7
V
Typical RS-422 Input Voltage <5 V
Differential Input Threshold Voltage
–0.2
+0.2
V
Input Voltage Hysteresis
70
mV
VCM = 0 V
Input Resistance
3
5
7
k
TTL Output Voltage Low, VOL
0.2
0.4
V
IOUT = +4.0 mA
TTL Output Voltage High, VOH
3.5
4.8
V
IOUT = –4.0 mA
232/422 SEL Input
Input Logic Low, VINL
0.8
V
Input Logic High, VINH
2.0
V
Logic Input Current
0.1
±10
AV
IN = 0 V to VCC
POWER SUPPLY CURRENT
ICC
10
15
mA
Outputs Unloaded
CHARGE PUMP VOLTAGE GENERATOR
V+ Output Voltage
9
V
RS-232 Output Unloaded;
See Typical Performance Curves
V– Output Voltage
–9
V
RS-232 Outputs Unloaded;
See Typical Performance Curves
Generator Rise Time
200
s
Specifications subject to change without notice.
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