LT5503EFE#TR Linear Technology, LT5503EFE#TR Datasheet - Page 5

• Manufacturer Part Number: LT5503EFE#TR
• Description: IC DIRECT IQ MOD/MIXER 20-TSSOP
• Manufacturer: Linear Technology

Specifications of LT5503EFE#TR

• Function: Modulator/Mixer
• Lo Frequency: 1.4GHz ~ 2.4GHz
• Rf Frequency: 1.7GHz ~ 2.7GHz
• P1db: -15dBm
• Noise Floor: -152dBm/Hz
• Output Power: 12.7dBm
• Current - Supply: 38mA
• Voltage - Supply: 1.8 V ~ 5.25 V
• Test Frequency: 2.4GHz
• Package / Case: 20-TSSOP Exposed Pad, 20-eTSSOP, 20-HTSSOP
• Pin Count: 20
• Screening Level: Industrial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LT5503EFETR

V
(Q–Q
TYPICAL PERFOR A CE CHARACTERISTICS
CC1
–2
–3
–4
–5
–6
38
36
34
32
30
28
26
24
22
20
= 3VDC, 2.4GHz matching, MODEN = high, GC1 = GC2 = low (max gain), T
B
1.8
1.8
) = 100kHz sine at 1V
2.45GHz Modulated Output
Power vs Supply Voltage
Modulator Supply Current vs
Supply Voltage
2.4
T
2.5
A
V
CC1
= 85°C
SUPPLY VOLTAGE (V)
3.0
T
SUPPLY VOLTAGE (V)
A
= 25°C
3.2
3.6
T
A
= –40°C
P
P
BASEBAND = 1V
T
LO1
LO2
A
3.9
P-P
= 25°C
4.2
= –12dBm
= –18dBm
differential, Q leads I by 90°, unless otherwise noted. (Test circuit shown in Figure 2.)
W
4.6
4.8
5503 TA01b
5503 G01
P-P
U
5.4
5.3
–100
–40
100
–10
–15
–20
–25
–30
–35
–10
–20
–30
–40
–50
–60
–70
–80
–90
0.1
–5
10
2449.6 2449.8 2450.0
0
1
0
0.1
1.8
Modulator Shutdown Current vs
Supply Voltage
Typical SSB Spectrum
Baseband Frequency Response
I/Q Amplitude = 1V
MODEN = LOW
I, Q INPUT FREQUENCY (MHz)
2.5
V
CC1
CARRIER
IMAGE
FREQUENCY (MHz)
SUPPLY VOLTAGE (V)
3.2
SIDEBAND
DESIRED
T
1
A
T
= 85°C
2450.2 2450.4 2450.6
A
P-P
3.9
= 25°C
T
A
A
4.6
= –40°C
= 25°C, MODRFIN = 2.45GHz at –16dBm, (I–I
5503 G05
5503 G02
(I/Q Modulator)
5503 G07
5.3
10
–20
–30
–40
220
200
180
160
140
120
100
–10
80
60
40
0
2050
1.8
MODEN Current vs Enable
Voltage
MODRFIN and MODRFOUT
Return Loss 2.4GHz Matching
MODEN = V
2.5
2250
MODEN VOLTAGE (V)
CC1
FREQUENCY (MHz)
T
3.2
MODRFOUT
MODRFIN
A
= –40°C
2450
T
A
= 85°C
3.9
LT5503
2650
T
4.6
A
B
= 25°C
) and
5503 G03
5503 G06
5
5503f
2850
5.3