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参数资料
| 型号： | LTC1690IS8#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/12页 |
| 文件大小： | 0K |
| 描述： | IC RCVR/DVR PAIR LOW PWR 8-SOIC |
| 标准包装： | 2,500 |
| 类型： | 驱动器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS422，RS485 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
3
LTC1690
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V ±5% (Notes 2, 3)
DC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOH
Receiver Output High Voltage
IO = – 4mA, VID = 200mV
q
3.5
V
VOL
Receiver Output Low Voltage
IO = 4mA, VID = – 200mV
q
0.4
V
RIN
Receiver Input Resistance
–7V
≤ VCM ≤ 12V
q
12
22
k
ICC
Supply Current
No Load
q
260
600
A
IOSD1
Driver Short-Circuit Current, VOUT = HIGH
–7V
≤ VO ≤ 10V
35
250
mA
IOSD2
Driver Short-Circuit Current, VOUT = LOW
–7V
≤ VO ≤ 10V
35
250
mA
IOZ
Driver Three-State Current (Y, Z)
–7V
≤ VO ≤ 10V, VCC = 0V
q
5
200
A
IOSR
Receiver Short-Circuit Current
0V
≤ VO ≤ VCC
q
785
mA
tPLH
Driver Input to Output, Figure 3, Figure 4
RDIFF = 54, CL1 = CL2 = 100pF
q
10
22.5
60
ns
tPHL
Driver Input to Output, Figure 3, Figure 4
RDIFF = 54, CL1 = CL2 = 100pF
q
10
25
60
ns
tSKEW
Driver Output to Output, Figure 3, Figure 4
RDIFF = 54, CL1 = CL2 = 100pF
q
2.5
15
ns
tr, tf
Driver Rise or Fall Time, Figure 3, Figure 4
RDIFF = 54, CL1 = CL2 = 100pF
q
213
40
ns
tPLH
Receiver Input to Output, Figure 3, Figure 5
RDIFF = 54, CL1 = CL2 = 100pF
q
30
94
160
ns
tPHL
Receiver Input to Output, Figure 3, Figure 5
RDIFF = 54, CL1 = CL2 = 100pF
q
30
89
160
ns
tSKD
|tPLH – tPHL|, Differential Receiver Skew, Figure 3, Figure 5
RDIFF = 54, CL1 = CL2 = 100pF
5
ns
fMAX
Maximum Data Rate, Figure 3, Figure 5
RDIFF = 54, CL1 = CL2 = 100pF
q
5
Mbps
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to device ground unless
otherwise specified.
Note 3: All typicals are given for VCC = 5V and TA = 25°C.
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
RECEIVER
INPUT
THRESHOLD
VOLTAGE
(mV)
1690 G01
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
–200
VCC = 5V
VCM = 12V
VCM = 0V
VCM = –7V
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
RECEIVER
INPUT
THRESHOLD
VOLTAGE
(mV)
1690 G02
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
–200
VCC = 5V
VCM = 12V
VCM = –7V
VCM = 0V
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
RECEIVER
HYSTERESIS
(mV)
1690 G03
100
90
80
70
60
50
40
30
20
10
0
VCC = 5V
VCM = 12V
VCM = –7V
VCM = 0V
Receiver Input Threshold Voltage
(Output High) vs Temperature
Receiver Input Threshold Voltage
(Output Low) vs Temperature
Receiver Hysteresis vs
Temperature
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