LTC5540IUH#PBF Linear Technology, LTC5540IUH#PBF Datasheet - Page 9

• Manufacturer Part Number: LTC5540IUH#PBF
• Description: IC, DOWN CONVERTING MIXER 1.3GHZ, QFN-20
• Manufacturer: Linear Technology

Specifications of LTC5540IUH#PBF

• Frequency Range: 600MHz To 1.3GHz
• Supply Voltage Range: 3.1V To 3.5V
• Rf Ic Case Style: QFN
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +85°C
• Rf Type: GSM, LTE, WCDMA, WiMax
• Operating Supply Voltage: 3.3V
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

block DiagraM
TesT circuiT
3.1V TO 5.3V
(0V/3.3V)
RF
50
SHDN
IN
3.1V TO 3.5V
96mA
V
CCIF
97mA
C1
C2
V
CC
1
2
3
4
5
C9
IFBIAS IF
NC
RF
CT
GND
SHDN
0.062”
V
20
CC2
6
0.015”
0.015”
C5
T1
19
LOBIAS
+
L1
7
4:1
R2
LTC5540
V
C10
C8
Figure 1. Standard Downmixer Test Circuit Schematic (190MHz IF)
CC1
L2
8
IF
18
C6
–
(0V/3.3V)
LOSEL
LOSEL
RF
GND
BIAS
GND
GND
17
9
2
3
5
DC1431A
BOARD
STACK-UP
(NELCO N4000-13)
SHDN
RF
CT
IFGND
IF
190MHz
50
GND
IFBIAS
V
16
10
OUT
GND
GND
LO2
LO1
CC3
20
V
L3
15
14
13
12
11
CC2
IF
BIAS
+
PASSIVE
19
C4
MIXER
6
AMP
IF
5541 TC
18
C7
IF
–
V
CC1
LO2
50
16
C3
IFGND
AMP
LO
IN
8
LO1
50
7
21
IN
LOBIAS
GND PINS ARE
EXPOSED
PAD
NOT SHOWN
HIGH-SIDE LO
LOW-SIDE LO
C6, C7, C8
(Alternate)
REF DES
C3, C4
C5, C9
L1, L2
C1, C2
LOSEL
C10
R2
C1
C2
L3
T1
V
LO2
LO1
CC3
5540 BD
15
14
11
9
TC4-1W-7ALN+
IF (MHz)
(WBC4-6TLB)
140
190
240
380
450
1000pF
VALUE
150nH
100pF
100pF
2.05k
5.6pF
1.5pF
30nH
22pF
1µF
Frequencies
L1, L2 vs IF
L1, L2 (nH)
0402
0402
0603
0402
0603 Coilcraft 0603CS
0603 Coilcraft 0603CS
0402
0402
0402
0402
SIZE
270
150
100
33
22
LTC5540
Mini-Circuits
COMMENTS
(Coilcraft)
AVX
AVX
AVX
AVX
AVX
AVX
AVX

5540f