MAX2021ETX-T Maxim Integrated Products, MAX2021ETX-T Datasheet - Page 4

• Manufacturer Part Number: MAX2021ETX-T
• Description: Modulator / Demodulator High-Dynamic-Range D irect Up-/Downconver
• Manufacturer: Maxim Integrated Products

High-Dynamic-Range, Direct Up-/Downconversion
750MHz to 1200MHz Quadrature Mod/Demod
(MAX2021 Typical Application Circuit, V
source, 0V common-mode input, P
R3 = 332Ω, T
f
4
LO
300
280
260
240
220
200
= 900MHz, T
-60
-62
-64
-66
-68
-70
-72
-74
-76
-78
-80
_______________________________________________________________________________________
70
60
50
40
30
20
10
-40
750
-47
ACLR vs. OUTPUT POWER PER CARRIER
FOUR-CARRIER WCDMA
OUTPUT POWER PER CARRIER (dBm)
825
-15
ALTERNATE CHANNEL
C
TOTAL SUPPLY CURRENT
ADJACENT CHANNEL
SIDEBAND SUPPRESSION
V
vs. TEMPERATURE (T
CC
-37
= -40°C to +85°C. Typical values are at V
vs. LO FREQUENCY
C
LO FREQUENCY (MHz)
= 4.75V
TEMPERATURE (°C)
900
= +25°C, unless otherwise noted.)
V
CC
10
T
C
= 5.25V
= -40°C
975
-27
T
C
= +25°C
V
CC
35
1050
T
= 5.0V
C
= +85°C
-17
C
60
)
1125
LO
= 0dBm, 750MHz ≤ f
1200
85
-7
CC
= +4.75V to +5.25V, GND = 0V, I/Q differential inputs driven from a 100Ω DC-coupled
-60
-62
-64
-66
-68
-70
-72
-74
-76
-78
-80
70
60
50
40
30
20
10
30
25
20
15
10
750
750
-47
ACLR vs. OUTPUT POWER PER CARRIER
P
SINGLE-CARRIER WCDMA
LO
OUTPUT IP3 vs. LO FREQUENCY
CC
= 0dBm, V
P
OUTPUT POWER PER CARRIER (dBm)
825
T
825
LO
LO
C
T
SIDEBAND SUPPRESSION
= -3dBm
C
= +85°C
= +5V, V
MODULATOR
-37
= +25°C
≤ 1200MHz, 50Ω LO and RF system impedance, R1 = 432Ω, R2 = 619Ω,
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO FREQUENCY (MHz)
900
900
CC
T
ALTERNATE CHANNEL
C
ADJACENT CHANNEL
= 5.0V
P
= -40°C
LO
P
= +3dBm
975
975
-27
BBI
LO
= 0dBm
Typical Operating Characteristics
= 1.4V
P
1050
1050
LO
= -6dBm
-17
P-P
1125
1125
differential, V
1200
1200
-7
-60
-62
-64
-66
-68
-70
-72
-74
-76
-78
-80
70
60
50
40
30
20
10
30
25
20
15
10
BBQ
-47
750
750
ACLR vs. OUTPUT POWER PER CARRIER
TWO-CARRIER WCDMA
T
C
= 1.4V
V
= +25°C
OUTPUT IP3 vs. LO FREQUENCY
CC
OUTPUT POWER PER CARRIER (dBm)
825
825
= 4.75V
SIDEBAND SUPPRESSION
-37
ALTERNATE CHANNEL
ADJACENT CHANNEL
vs. LO FREQUENCY
P-P
LO FREQUENCY (MHz)
LO FREQUENCY (MHz)
V
900
900
CC
V
CC
differential, f
= 4.75V, 5.0V, 5.25V
V
= 5.25V
CC
-27
975
975
= 5.0V
1050
1050
-17
IQ
1125
1125
= 1MHz,
1200
1200
-7