MAX2038CCQ+ Maxim Integrated Products, MAX2038CCQ+ Datasheet - Page 4

• Manufacturer Part Number: MAX2038CCQ+
• Description: IC VGA W/OCTAL MIXER 8CH 100TQFP
• Manufacturer: Maxim Integrated Products
• Type: Variable Gain Amplifierr

Specifications of MAX2038CCQ+

• Applications: Medical Ultrasound Imaging, Sonar
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP Exposed Pad, 100-eTQFP, 100-HTQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Ultrasound VGA Integrated
with CW Octal Mixer
AC ELECTRICAL CHARACTERISTICS—VGA MODE
( Typical Application Circuit , Figure 7. V
M4_EN = 0, CW_FILTER = 1, TEST_MODE = 0, PD = 0, CW_VG = 1, CW_M1 = 0, CW_M2 = 0, VG_CLAMP_MODE = 1, f
= 5MHz, capacitance to GND at each of the VGA differential outputs is 60pF, differential capacitance across the VGA outputs is
10pF, R
from a low impedance source. Typical values are at V
4
Mode Select Response Time
VGA MODE
Full-Scale Bandwidth
Small-Signal Bandwidth
Differential Input Resistance
Input Effective Capacitance
Differential Output Resistance
Maximum Gain
Minimum Gain
Gain Range
Absolute Gain Error
VGA Gain Response Time
Input-Referred Noise
Output-Referred Noise
Second Harmonic
Third-Order Intermodulation
Distortion
Channel-to-Channel Crosstalk
Maximum Output Voltage at
Clamp ON
_______________________________________________________________________________________
L
= 1kΩ, CW mixer outputs pulled up to +11V through four separate ±0.1% 115Ω resistors, differential mixer inputs are driven
PARAMETER
SYMBOL
f -1.3dB
f -1.3dB
CC
R
IMD3
HD2
R
C
OUT
IN
IN
= V
REF
CW_VG set from logic 1 to 0 or from 0 to 1
(Note 9)
V
1.3dB bandwidth,
gain = 10dB
V
gain = 10dB
f
T
V
40dB gain change to within 1dB final value
VG_CTL set for maximum gain,
no input signal
VG_CTL set for
+10dB of gain
V G_C LAM P _M OD E = 1, V G_C TL set for
+ 10d B of g ai n, f
V G_C LAM P _M OD E = 1, V G _C TL set for
+ 10d B of g ai n, f
V G_C LT set for + 10d B of g ai n, f
f
V
V
VG_CTL set for +10dB of gain
VG_CLAMP_MODE = 0, VG_CTL set for
+20dB of gain, 350mV
= 4.75V to 5.25V, V
RF
R F2
A
OUT
OUT
REF
REF
OUT
= +25°C, full gain range 0% to 100%,
CC
= 10MHz, each input to ground
= 5.01MHz, V
= 5V
= 5V (Note 3)
= 1.5V
= 1.5mV
= 1V
= V
REF
P-P
P-P
differential, f
P-P
= 5V, T
R F
CONDITIONS
,
R F
, 3dB bandwidth,
= 10M H z, V
OUT
= 5M H z, V
CM
Differential output
capacitance is 10pF,
capacitance to GND
at each single-ended
output is 60pF,
R
No capacitive load
R
No input signal
V
offset
A
P-P
= 1.5V
= (3/5)V
L
L
OUT
= +25°C, unless otherwise noted.) (Note 2)
= 1kΩ
= 1kΩ
differential input
R F
= 1.5V
OU T
OU T
P-P
= 10MHz,
RF1
REF
,
= 1.5V
= 1.5V
= 5M H z,
P-P
, T
A
, 1kHz
= 0°C to +70°C, V
P - P
P - P
MIN
170
-55
-40
+29.5
±0.25
-12.5
GND
TYP
200
100
-70
-65
-52
-80
2.4
18
29
30
15
42
22
55
2
1
2
= 0V, LOW_PWR = 0,
MAX
±1.5
230
RF
d i ffer enti al
nV/√Hz
nV/√Hz
= f
UNITS
V
MHz
MHz
dBc
dBc
dB
dB
dB
dB
dB
pF
µs
µs
P-P
Ω
Ω
LO
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