LTC5598IUF LINER [Linear Technology], LTC5598IUF Datasheet - Page 7

• Manufacturer Part Number: LTC5598IUF
• Description: 5MHz to 1600MHz High Linearity Direct Quadrature Modulator
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
450MHz, P
= 100kHz, 0.8V
selection); f
–145
–150
–155
–160
–165
–152
–154
–156
–158
–160
–162
25
20
15
10
5
0
–14
–70
Noise Floor vs RF Frequency
(P
Input Signal)
Noise Floor vs RF Output Power and
Differential LO Input Power
LO Feedthrough Distribution
f
–12
LO
LO
85 C
25 C
–40 C
LO
–66
NOISE
= 140MHz; f
= 10dBm, No AC Baseband
–10
10
= 0dBm single-ended, BBPI, BBMI, BBPQ, BBMQ common-mode DC voltage V
–62 –58
RF OUTPUT POWER (dBm)
PP,DIFF
20dBm
19.3dBm
13.4dBm
10.4dBm
8.4dBm
6.4dBm
LO FEEDTHROUGH (dBm)
–8
RF FREQUENCY (MHz)
= f
–6
LO
BB
, two-tone baseband input signal = 2MHz, 2.1MHz, 0.5V
–4
–54 –50 –46
– 6MHz; unless otherwise noted. (Note 11)
= 2kHz; CW (NOTE 3)
100
–2
0
2
5V, 25°C
5.25V, 25°C
4.5V, 25°C
5V, –40°C
5V, 85°C
(NOTE 3)
–42 –38
4
1000
5598 G20b
5598 G19
5598 G23
6
8
–100
–120
–140
–40
–60
–80
60
50
40
30
20
10
40
35
30
25
20
15
10
0
5
0
–70
–2.4
LO Feedthrough to RF Output
vs LO Frequency for EN = Low
Gain Distribution
Image Rejection Distribution
P
LO
85 C
25 C
–40 C
–66
= 10dBm
10
–2.3
–62 –58 –54 –50
IMAGE REJECTION (dBc)
LO FREQUENCY (MHz)
P
LO
–2.2
GAIN (dB)
= 0dBm
100
–2.1
–40°C
PP,DIFF
–2
–46
85°C
1000
85 C
25 C
–40 C
–42
V
5598 G20
5598 G21
5598 G24
–1.9
CC
each tone, I&Q 90° shifted (lower side-band
= 5V, EN = 5V, T
CMBB
–10
–20
–30
–40
–50
–60
–70
–80
70
60
50
40
30
20
10
30
25
20
15
10
= 0.5V
0
5
0
0
–162.4
Image Rejection vs LO Frequency
(P
Output IP3 Distribution at 25°C
24
Noise Floor Distribution
C8 = 470nF
LO
24.4
A
–162
NO RF
DC
= 10dBm)
= 25ºC, f
10
, I&Q baseband input signal
24.8 25.2
–161.6
NOISE FLOOR (dBm/Hz)
LO FREQUENCY (MHz)
C8 = 0
OIP3 (dBm)
–161.2 –160.8
RF
25.6 26 26.4
LTC5598
= f
100
LO
– f
–160.4 –160
BB
, f
26.8 27.2
LO =
1000
85 C
25 C
–40 C
5598 G20a
5598 G22
5598 G25
7
5598f