LT5528 LINER [Linear Technology], LT5528 Datasheet - Page 3

• Manufacturer Part Number: LT5528
• Description: 1.5GHz to 2.4GHz High Linearity Direct Quadrature Modulator
• Manufacturer: LINER [Linear Technology]

ELECTRICAL CHARACTERISTICS
BBPI, BBMI, BBPQ, BBMQ inputs 0.525V
P
SYMBOL
Baseband Inputs (BBPI, BBMI, BBPQ, BBMQ)
BW
V
R
P
IP1dB
ΔG
Δϕ
Power Supply (V
V
I
I
t
t
Enable (EN), Low = Off, High = On
Enable
Sleep
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Specifi cations over the –40°C to 85°C temperature range are
assured by design, characterization and correlation with statistical process
controls.
Note 3: Tests are performed as shown in the confi guration of Figure 7.
Note 4: On each of the four baseband inputs BBPI, BBMI, BBPQ and
BBMQ.
Note 5: V(BBPI) – V(BBMI) = 1V
Note 6: Maximum value within –1dB bandwidth.
Note 7: An external coupling capacitor is used in the RF output line.
Note 8: At 20MHz offset from the LO signal frequency.
Note 9: At 20MHz offset from the CW signal frequency.
CC, ON
CC, OFF
ON
OFF
CMBB
LO2BB
CC
RF, OUT
IN, SE
I/Q
I/Q
BB
= –10dBm, unless otherwise noted. (Note 3)
CC
)
PARAMETER
Baseband Bandwidth
DC Common Mode Voltage
Single-Ended Input Resistance
Carrier Feed-Through on BB
Input 1dB Compression Point
I/Q Absolute Gain Imbalance
I/Q Absolute Phase Imbalance
Supply Voltage
Supply Current
Supply Current, Sleep Mode
Turn-On Time
Turn-Off Time
Input High Voltage
Input High Current
Input Low Voltage
DC
, V(BBPQ) – V(BBMQ) = 1V
DC
, Baseband Input Frequency = 2MHz, I&Q 90° shifted (upper sideband selection).
DC
CONDITIONS
–3dB Bandwidth
(Note 4)
(Note 4)
P
Differential Peak-to-Peak (Note 7)
EN = High
EN = 0V
EN = Low to High (Note 11)
EN = High to Low (Note 12)
EN = High
EN = 5V
EN = Low
.
OUT
V
= 0 (Note 4)
CC
= 5V, EN = High, T
Note 10: At 5MHz offset from the CW signal frequency.
Note 11: RF power is within 10% of fi nal value.
Note 12: RF power is at least 30dB lower than in the ON state.
Note 13: Baseband is driven by 2MHz and 2.1MHz tones. Drive level is set
in such a way that the two resulting RF tones are –10dBm each.
Note 14: IM2 measured at LO frequency + 4.1MHz.
Note 15: IM3 measured at LO frequency + 1.9MHz and LO frequency +
2.2MHz.
Note 16: Amplitude average of the characterization data set without image
or LO feed-through nulling (unadjusted).
Note 17: The difference in conversion gain between the spurious signal at
f = 3 • LO – BB versus the conversion gain at the desired signal at f = LO +
BB for BB = 2MHz and LO = 2GHz.
A
= 25°C, f
LO
= 2GHz, f
MIN
4.5
1.0
RF
= 2.002GHz, P
0.525
0.05
0.05
0.25
TYP
–40
400
125
240
3.2
0.5
1.3
45
5
LT5528
MAX
5.25
145
LO
0.5
50
= 0dBm.
V
P-P, DIFF
UNITS
3
dBm
MHz
5528f
Deg
mA
dB
µA
µA
µs
µs
Ω
V
V
V
V