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PDF LTC5536 Data sheet ( Hoja de datos )
| Número de pieza | LTC5536 | |
| Descripción | 600MHz to 7GHz Precision RF Detector | |
| Fabricantes | Linear Technology | |
| Logotipo |  |
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FEATURES
■ Temperature Compensated Internal Schottky
Diode RF Detector
■ Wide Input Frequency Range: 600MHz to 7GHz*
■ Wide Input Power Range: –26dBm to 12dBm
■ Fast Comparator Output with Latch Enable
■ 25ns Response Time with 0dBm RF Input Level
■ Rail-to-Rail Output Swing
■ Comparator Output Current: ±20mA
■ Wide VCC Range of 2.7V to 5.5V
■ Low Operating Current: 2mA
■ Available in a Low Profile (1mm) SOT-23 Package
U
APPLICATIO S
■ RF Signal Presence Detectors for:
802.11a, 802.11b, 802.11g, 802.15
Optical Data Links
Wireless Data Modems
Wireless and Cable Infrastructure
■ RF Power Alarm
■ Envelope Detector
■ RF ID Tag Reader
TYPICAL APPLICATIO
600MHz to 7GHz RF Power Detector
RF
INPUT
33pF
1
LTC5536
RFIN
VCC
6
2
GND
5
VOUT
100pF
VCC
0.1µF
VM 3
REFERENCE
VM
LEN 4 DISABLE ENABLE
5536 TA01
LTC5536
600MHz to 7GHz
Precision RF Detector with
Fast Comparator Output
DESCRIPTIO
The LTC®5536 is an RF power detector for RF applications
operating in the 600MHz to 7GHz range. A temperature
compensated Schottky diode peak detector and fast com-
parator are combined in a small ThinSOTTM package. The
supply voltage range is optimized for operation from a
single cell lithium-ion or three cell NiMH battery.
The RF input voltage is peak detected using an on-chip
Schottky diode. The detected voltage is compared against
a reference voltage at VM.
The response time from the RF input to VOUT can be as little
as 20ns. The comparator output is latched when LEN is
high or is transparent when LEN is low.
The LTC5536 operates with RF input power levels from
–26dBm to 12dBm.
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
*Operation at higher frequencies is possible with reduced performance.
VM Comparator Switching Voltage
vs RF Input Power, 600MHz – 7GHz
3200
2800
2400
2000
1600
600MHz
1000MHz
2000MHz
3000MHz
4000MHz
5000MHz
6000MHz
7000MHz
VCC = 3.6V
VLEN = 0V
TA = 25°C
1200
800
400
0
–28 –24 –20 –16 –12 –8 –4 0 4
INPUT RF POWER (dBm)
8 12
5536 TA01b
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LTC5536
TYPICAL PERFOR A CE CHARACTERISTICS
RFIN Input Impedance (Pin = –25dBm, VCC = 3.6V, TA = 25°C)
FREQUENCY
RESISTANCE
REACTANCE
(GHz) (Ω) (Ω)
0.60
152.91
– 116.16
0.79
123.50
– 111.98
0.98
102.42
– 105.03
1.18
86.70
– 96.82
1.37
74.80
– 88.72
1.56
65.80
– 80.93
1.75
58.82
– 73.67
1.94
53.15
– 67.22
2.14
48.80
– 60.93
2.33
45.86
– 55.62
2.52
42.88
– 51.52
2.71
40.43
– 47.41
2.90
38.21
– 43.52
3.10
35.73
– 39.58
3.29
34.09
– 35.73
3.48
32.16
– 32.68
3.67
30.77
– 28.25
3.86
30.30
– 26.77
4.06
27.45
– 22.91
4.25
25.57
– 19.02
4.44
24.59
– 15.00
4.63
23.92
– 11.08
4.82
23.62
– 7.35
5.02
23.45
– 3.68
5.21
23.24
– 0.09
5.40
23.30
3.53
5.59
23.66
7.08
5.78
24.20
10.37
5.98
25.03
13.36
6.17
25.27
15.93
6.36
25.06
18.97
6.55
25.08
22.50
6.74
25.29
26.13
6.87
25.59
28.64
7.00
25.99
31.20
S11 Forward Reflection
Impedance
0.6GHz–7.0GHz
5536 G19
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PACKAGE DESCRIPTIO
0.62 0.95
MAX REF
S6 Package
6-Lead Plastic TSOT-23
(Reference LTC DWG # 05-08-1636)
1.22 REF
2.90 BSC
(NOTE 4)
3.85 MAX 2.62 REF
1.4 MIN
2.80 BSC
1.50 – 1.75
(NOTE 4)
PIN ONE ID
LTC5536
RECOMMENDED SOLDER PAD LAYOUT
PER IPC CALCULATOR
0.20 BSC
DATUM ‘A’
0.95 BSC
0.80 – 0.90
1.00 MAX
0.30 – 0.50 REF
0.09 – 0.20
NOTE:
(NOTE 3)
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. JEDEC PACKAGE REFERENCE IS MO-193
1.90 BSC
0.30 – 0.45
6 PLCS (NOTE 3)
0.01 – 0.10
S6 TSOT-23 0302
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LTC5536.PDF ] | |
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