max2078ctk Maxim Integrated Products, Inc., max2078ctk Datasheet - Page 6

• Manufacturer Part Number: max2078ctk
• Description: Octal-channel Ultrasound Front-end With Cw Doppler Mixers
• Manufacturer: Maxim Integrated Products, Inc.

Octal-Channel Ultrasound Front-End
with CW Doppler Mixers
AC ELECTRICAL CHARACTERISTICS—VGA MODE (continued)
( Typical Application Circuit , V
V/C = 1, NP = 0, PD = 0, D43/D42/D41/D40 = 1/0/1/0 (R
capacitance to GND at each of the VGA differential outputs is 25pF, differential capacitance across VGA outputs is 15pF, R
differential, reference noise less than 10nV/√Hz from 1kHz to 20MHz, DOUT loaded with 10MΩ and 60pF. Typical values are at V
= 3.3V, V
AC ELECTRICAL CHARACTERISTICS—CW MODE
( Typical Application Circuit , V/C = 0, PD = 0, NP = 0, CLP = 0, D43/D42/D41/D40 = 1/0/1/0 (R
f
driving the LO_ is required to be 0.5ns, reference noise less than 10nV/√Hz from 1kHz to 20MHz (Note 9). Typical values are at V
= 3.3V, V
6
LO
3V Supply Modulation Ratio
4.75V/5V Supply Modulation
Ratio
Gain Control Lines Common-
Mode Rejection Ratio
Overdrive Phase Delay
Output Impedance
CW DOPPLER MIXER
Mixer RF Frequency Range
LO Frequency Range
Mixer Output Frequency Range
FULL-POWER MODE
Noise Figure
Noise Figure at 100mV
Noise Figure at 200mV
SNR at 100mV
SNR at 200mV
/16 = 5MHz, R
_______________________________________________________________________________________
CC
CC
PARAMETER
PARAMETER
2 = 4.75V, T
2 = 4.75V, T
P-P
P-P
S
Input
Input
= 200Ω, CI_, CQ_ pulled up to 11V through four separate 0.1% 162Ω resistors, the rise/fall time of the LVDS clock
P-P
P-P
A
A
= +25°C, unless otherwise noted.) (Note 2)
= +25°C, unless otherwise noted.) (Note 2)
Input
Input
REF
= 2.475V to 2.525V, V
Gain = 28dB, VG+ - VG- = 0.4V, V
f
output sideband at 5.001MHz, 1V
Gain = 28dB, VG+ - VG- = 0.4V, V
f
output sideband at 5.001MHz, 1V
Gain = 28dB, VG+ - VG- = 0.4V, f
V
VG+ - VG- = -3V, delay between V
V
Differential
LO+ and LO-
No carrier
100mV
1kHz offset
200mV
1kHz offset
100mV
1kHz offset
200mV
1kHz offset
RF
RF
MOD
IN
= 5MHz, f
= 5MHz, f
= 30mV
= 50mV
P-P
P-P
P-P
P-P
at input, f
at input, f
at input, f
at input, f
P-P
MOD
MOD
P-P
differential
, V
= 1kHz, V
= 1kHz, V
CC
OUT
RF
RF
RF
RF
IN
CONDITIONS
CONDITIONS
1 = 3.13V to 3.47V, V
= f
= f
= f
= f
= 200Ω, LNA gain = 18.5dB), D45/D44 = 1/1 (f
= 1.0V
LO
LO
LO
LO
/16 = 1.25MHz, measured at
/16 = 1.25MHz, measured at
/16 = 1.25MHz, measured at
/16 = 1.25MHz, measured at
MOD
MOD
P-P
= 50mV
= 50mV
MOD
P-P
P-P
OUT
OUT
IN
= 300mV
= 5MHz,
= 1V
= 1V
P-P
P-P
P-P
P-P
CC
, ratio of
, ratio of
P-P
,
,
2 = 4.5V to 5.25V, T
and
IN
MIN
MIN
= 200Ω, LNA gain = 18.5dB), f
0.9
DC
16
A
= 0°C to +70°C, V
-148.3
-153.8
TYP
TYP
100
-73
-82
-74
3.4
3.6
4.1
C
5
= 18MHz), f
MAX
MAX
120
100
7.6
RF
GND
dBc/Hz
dBc/Hz
= 5MHz,
UNITS
UNITS
L
MHz
MHz
dBc
dBc
dBc
kHz
dB
dB
dB
ns
= 1kΩ
Ω
= 0V,
RF
CC
CC
=
1
1