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| 型号： | LTC2847CUHF#TR |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | Buffer和线驱动 |
| 英文描述： | Software-Selectable Multiprotocol Transceiver with Termination and 3.3V Digital Interface; Package: QFN; No of Pins: 38; Temperature Range: 0°C to +70°C |
| 中文描述： | TRIPLE LINE TRANSCEIVER, PQCC38 |
| 封装： | 7 X 5 MM, PLASTIC, QFN-38 |
| 文件页数： | 16/20页 |
| 文件大小： | 239K |
| 代理商： | LTC2847CUHF#TR |
5
LTC2847
sn2847 2847fs
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, VIN = 3.3V, unless otherwise noted (Notes 2, 3)
ELECTRICAL CHARACTERISTICS
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
are negative. All voltages are referenced to device ground unless otherwise
specified.
Note 3: All typicals are given for VCC = 5V, VIN = 3.3V, CVCC = CVIN = 10F,
CVDD = 1F, CVEE = 3.3F and TA = 25°C.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V.28 Receiver
VTHL
Input Low Threshold Voltage
(Figure 12)
q
0.8
V
VTLH
Input High Threshold Voltage
(Figure 12)
q
2V
VTH
Receiver Input Hysteresis
(Figure 12)
q
0
0.05
0.3
V
RIN
Receiver Input Impedance
– 15V
≤ VA ≤ 15V
q
357
k
tr, tf
Rise or Fall Time
CL = 50pF (Figures 12, 16)
15
ns
tPLH
Input to Output
CL = 50pF (Figures 12, 16)
q
60
300
ns
tPHL
Input to Output
CL = 50pF (Figures 12, 16)
q
160
300
ns
TYPICAL PERFOR A CE CHARACTERISTICS
UW
V.11 Mode ICC vs Data Rate
DATA RATE (kBd)
10
I CC
(mA)
120
130
140
2846 G04
110
100
90
100
1000
150
160
170
10000
TA = 25°C
DATA RATE (kBd)
10
120
I CC
(mA)
125
130
135
140
150
100
1000
2846 G05
10000
145
TA = 25°C
DATA RATE (kBd)
10
30
I CC
(mA)
35
40
45
50
60
20
40
60
80 100
2846 G06
55
TA = 25°C
V.35 Mode ICC vs Data Rate
V.28 Mode ICC vs Data Rate
V.11 Mode ICC vs Temperature
V.35 Mode ICC vs Temperature
V.28 Mode ICC vs Temperature
TEMPERATURE (
°C)
–40
I CC
(mA)
100
105
110
20
60
2846 G07
95
90
–20
0
40
80
100
85
80
TEMPERATURE (
°C)
–40
123.0
I CC
(mA)
123.5
124.5
125.0
125.5
128.0
126.5
0
40
60
2846 G08
124.0
127.0
127.5
126.0
–20
20
80
100
TEMPERATURE (
°C)
–40
I CC
(mA)
37.0
20
3846 G09
35.5
34.5
–20
0
40
34.0
33.5
37.5
36.5
36.0
35.0
60
80
100
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