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MAX2038CCQ+T
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
MAX2038
Ultrasound VGA Integrated
with CW Octal Mixer
22
______________________________________________________________________________________
12
μ
H
12
μ
H
ONE CHANNEL
ONE CHANNEL
TO 12-BIT
IMAGING
ADC
TO Q CHANNEL
CWD
ADC
TO I CHANNEL
CWD
ADC
CWD I/Q LO
CWD
Q CHANNELS
IN
0.1
μ
F
0.1
μ
F
LO DIVIDER
+V
MIX
+V
MIX
50
Ω
100nF
100nF
100nF
+V
-V
+V
IN
100nF
100nF
ZIN IN CONTROL
D2, D1, D0
VG_CTL+
VG_CTL-
VGIN_+
VGIN_-
CWIN_+
CWIN_-
CW_VG
CW_FIL
TER
VGOUT_+
VGOUT_-
CW_IOUT+
CW_IOUT
-
CW_QOUT
-
CW_QOUT+
THIRD-ORDER BUTTERWORTH
ANTI-ALIAS FIL
TER
V
CC
V
REF
GND
115
Ω
115
Ω
115
Ω
115
Ω
MAX2038
50
Ω
CWD
I CHANNELS
IN
MAX2034
Figure 7. Typical Per-Channel Ultrasound Imaging Application
MAX2038
Ultrasound VGA Integrated
with CW Octal Mixer
______________________________________________________________________________________
23
CWIN6-
GND
VGIN6-
CWIN5+
VGIN5+
VGIN5-
CWIN2-
1
2
3
4
5
6
7
8
9
1
01
11
21
31
41
5
1
6
1
71
81
9
2
0
2
12
22
32
42
5
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
CWIN5-
GND
VGIN6+
V
CC
EXT_C2
EXT_C1
GND
VGIN4+
CWIN4+
CWIN4-
EXT_C3
CWIN3+
CWIN3-
VGIN3-
CWIN2+
GND
VGIN3+
VGIN4-
VGOUT7-
V
CC
LO6
VGOUT6-
GND
LO5
VGOUT2-
VGOUT7+
LO7
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
DIN
GND
V
CC
CW_M1
VGIN2+
GND
VGOUT1-
VGOUT1+
LO1
VGOUT8+
LO8
N.C.
V
CC
DOUT
LOW_PWR
M4_EN
V
CC
CW_FILTER
PD
CW_VG
EXT_RES
V
REF
CWIN8+
GND
VGIN8+
VGIN8-
CWIN7+
CWIN7-
GND
VGIN7+
VGIN7-
CWIN6+
*EP
*EP = EXPOSED PAD
VGOUT8-
MAX2038
TOP VIEW
VGOUT6+
VGOUT5-
VG_CTL-
VG_CTL+
LO_LVDS+
LO4
VGOUT4+
VGOUT5+
LO_LVDS-
VGOUT4-
LO3
VGOUT3+
V
CC
LO2
VGOUT2+
VGOUT3-
LOAD
CW_QOUT+
CW_QOUT
-
CW_IOUT+
V
CC
VG_CLAMP_MODE
CW_M2
CW_IOUT
-
VGIN1+
GND
CWIN1-
VGIN2-
VGIN1-
V
REF
CWIN1+
CLK
CWIN8-
TQFP
Pin Configuration
PACKAGE TYPE
PACKAGE CODE
DOCUMENT NO.
100 TQFP-EP
C100E+3
21-0116
Chip Information
PROCESS: Silicon Complementary Bipolar
Package
Information
For the latest package outline information and land patterns, go
to
www.maxim-ic.com/packages
. Note that a “+”, “#”, or “-” in
the package code indicates RoHS status only. Package draw-
ings may show a different suffix character, but the drawing per-
tains to the package regardless of RoHS status.
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
24
____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
©
2010 Maxim Integrated Products
Maxim is a registered trademark of Maxim Integrated Products, Inc.
Ultrasound VGA Integrated
with CW Octal Mixer
MAX2038
Revision History
REVISION
NUMBER
REVISION
DATE
DESCRIPTION
PAGES
CHANGED
0
1/09
Initial release
—
1
5/10
Implemented minor corrections
2–10, 12, 13, 18
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
MAX2038CCQ+T
Mfr. #:
Buy MAX2038CCQ+T
Manufacturer:
Maxim Integrated
Description:
Instrumentation Amplifiers Ultrasound Variable Gain Amplifier
Lifecycle:
New from this manufacturer.
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