The q denotes specifications which apply over the full operating
參數(shù)資料
型號： LTC1546CG#TR
廠商： Linear Technology
文件頁數(shù)： 14/20頁
文件大?。?/td> 0K
描述： IC TXRX SOFTWARE SELECTBL 28SSOP
標(biāo)準(zhǔn)包裝： 2,000
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 3/3
電源電壓： 4.75 V ~ 5.25 V
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 帶卷 (TR)
3
LTC1546
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V (Notes 2, 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fOSC
Charge Pump Oscillator Frequency
500
kHz
tr
Charge Pump Rise Time
No-Cable Mode/Power-Off to Normal Operation
2
ms
Logic Inputs and Outputs
VIH
Logic Input High Voltage
q
2V
VIL
Logic Input Low Voltage
q
0.8
V
IIN
Logic Input Current
D1, D2, D3
q
±10
A
M0, M1, M2, DCE = GND
q
– 120
– 75
– 30
A
M0, M1, M2, DCE = VCC
q
±10
A
VOH
Output High Voltage
IO = – 3mA
q
3
4.5
V
VOL
Output Low Voltage
IO = 3mA
q
0.3
0.45
V
IOSR
Output Short-Circuit Current
0V
≤ VO ≤ VCC
q
–50
50
mA
IOZR
Three-State Output Current
M0 = M1 = M2 = VCC, 0V ≤ VO ≤ VCC
±1
A
V.11 Driver
VODO
Open Circuit Differential Output Voltage
RL = 1.95k (Figure 1)
q
± 5V
VODL
Loaded Differential Output Voltage
RL = 50 (Figure 1)
0.5VODO
0.67VODO
V
RL = 50 (Figure 1)
q
±2V
VOD
Change in Magnitude of Differential
RL = 50 (Figure 1)
q
0.2
V
Output Voltage
VOC
Common Mode Output Voltage
RL = 50 (Figure 1)
q
3V
VOC
Change in Magnitude of Common Mode
RL = 50 (Figure 1)
q
0.2
V
Output Voltage
ISS
Short-Circuit Current
VOUT = GND
±150
mA
IOZ
Output Leakage Current
VA and VB ≤ 0.25V, Power Off or
q
± 1
±100
A
No-Cable Mode or Driver Disabled
tr, tf
Rise or Fall Time
(Figures 2, 13)
q
215
25
ns
tPLH
Input to Output Rising
(Figures 2, 13)
q
15
40
65
ns
tPHL
Input to Output Falling
(Figures 2, 13)
q
15
40
65
ns
t
Input to Output Difference,
tPLH – tPHL (Figures 2, 13)
q
03
12
ns
tSKEW
Output to Output Skew
(Figures 2, 13)
3
ns
V.11 Receiver
VTH
Input Threshold Voltage
– 7V
≤ VCM ≤ 7V
q
– 0.2
0.2
V
VTH
Input Hysteresis
– 7V
≤ VCM ≤ 7V
q
15
40
mV
RIN
Input Impedance
–7V
≤ VCM ≤ 7V (Figure 3)
q
100
103
tr, tf
Rise or Fall Time
CL = 50pF (Figures 4, 14)
15
ns
tPLH
Input to Output Rising
CL = 50pF (Figures 4, 14)
q
50
90
ns
tPHL
Input to Output Falling
CL = 50pF (Figures 4, 14)
q
50
90
ns
t
Input to Output Difference,
tPLH – tPHL CL = 50pF (Figures 4, 14)
q
04
25
ns
V.35 Driver
VOD
Differential Output Voltage
Open Circuit, RL = 1.95k (Figure 5)
q
±1.2
V
With Load, – 4V
≤ VCM ≤ 4V (Figure 6)
±0.44
±0.55
±0.66
V
VOA, VOB
Single-Ended Output Voltage
Open Circuit, RL = 1.95k (Figure 5)
q
±1.2
V
VOC
Transmitter Output Offset
RL = 50 (Figure 5)
q
±0.6
V
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