Owner manual

MAX2038
Ultrasound VGA Integrated
with CW Octal Mixer
_______________________________________________________________________________________ 3
DC ELECTRICAL CHARACTERISTICS—CW MIXER MODE
( Typical Application Circuit , Figure 7. V
CC
= V
REF =
4.75V to 5.25V, T
A =
0°C to +70°C, V
GND
= 0, LOW_PWR = 0,
M4_EN = 0, CW_FILTER = 0 or 1, TMODE = 0, PD = 0, CW_VG = 0, CW_M1 = 0, CW_M2 = 0, no RF signals applied,
capacitance to GND at each of the VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF,
R
L =
1kΩ, CW mixer outputs pulled up to +11V through four separate ±0.1% 115Ω resistors. Typical values are at V
CC
= V
REF
= 5V,
T
A =
+25°C, unless otherwise noted.) (Note 2)
PARAMETER SYMBOL CONDTIONS MIN TYP MAX UNITS
CW MIXER MODE
Current in Full-Power Mode
5V V
CC
Supply
I
CC_FP
Refer s to V
C C
sup p l y cur r ent ( al l 8 channel s) 245 265 mA
Current in Full-Power Mode
11V V
MIX
Supply
I
MIX
_
FP
Refer s to V
M IX
sup p l y cur r ent ( al l 8 channel s) 106 120 mA
Current in Full-Power Mode
5V V
REF
Supply
I
REF_FP
Refer s to V
RE F
sup p l y cur r ent ( al l 8 channel s) 17 21 mA
Power Dissipation in Full-Power
Mode
P
DISS_FP
Total power dissipation (all 8 channels
including both 5V (V
CC
and V
REF
) and 11V
mixer pullup supply power dissipation in the
device) (Note 4)
2.15 2.41 W
Current in Low-Power Mode
5V V
CC
Supply
I
CC_LP
LOW _P WR = 1; r efer s to V
C C
sup p l y cur r ent
( al l 8 channel s)
245 265 mA
Current in Low-Power Mode
11V V
MIX
Supply
I
MIX_LP
LOW _P WR = 1; r efer s to V
M IX
sup p l y cur r ent
( al l 8 channel s)
53 60 mA
Current in Low-Power Mode
5V V
REF
Supply
I
REF_LP
LOW _P WR = 1; r efer s to V
R E F
sup p l y cur r ent
( al l 8 channel s)
17 21 mA
Power Dissipation in Low-Power
Mode
P
DISS_LP
LOW_PWR = 1; total power dissipation
(all 8 channels including both 5V (V
CC
and
V
REF
) and 11V mixer pullup supply power
dissipation in the device) (Note 4)
1.81 2.06 W
Mixer LVDS LO Input Common-
Mode Voltage
Modes 1 and 2 (Note 5)
1.25
±0.2
V
LVDS LO Differential Input
Voltage
Modes 1 and 2 200 700 mV
P-P
LVDS LO Input
Common-Mode Current
Per pin 150 200 µA
LVDS LO Differential
Input Resistance
Modes 1 and 2 (Note 6) 30 kΩ
Mixer IF Common-Mode Output
Current
Common-mode current in each of the
differential mixer outputs (Note 7)
3.25 3.75 mA
DATA Output High Voltage
DOUT voltage when terminated in DIN
(daisy chain) (Note 8)
4.5 V
DATA Output Low Voltage
DOUT voltage when terminated in DIN
(daisy chain) (Note 8)
0.5 V