Datasheet

MAX2037
Ultrasound Variable-Gain Amplifier
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MAX2037
MAX2034
MAX1436 ADC
VG_CTL+
VG_CTL-
VGOUT_+
VGOUT_-
VGIN_+
VGIN_-
SINGLE CHANNEL
SINGLE CHANNEL
VGA
50Ω
100nF
Z
IN
CONTROL
D2, D1, D0
TO A SINGLE
CHANNEL OF
100nF
50Ω
100nF
100nF
100nF
18nF
100nF
V
IN
-V
+V
Figure 2. Typical Per-Channel Ultrasound-Imaging Application
VGOUT8-
VGOUT8+
GND
V
CC
GND
V
CC
GND
26
27
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
GND GND
GND GND
V
CC
EXT_RES
GND GND
V
REF
GND
PD
VGIN8-
GND
VGIN7+
VGIN7-
GND
GND
VGIN8+
VGOUT1- GND GND V
CC
GND GND VGIN2+ VGOUT1+ GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
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
GND
GND
GND
VGIN4+
GND
VGIN3+
VGIN3-
GND
GND
+
VGOUT2+
GND
V
CC
VGOUT3-
VGOUT3+
GND
VGOUT4-
VGOUT4+
GND
GND
GND
VG_CTL+
VG_CTL-
VGOUT5-
GND
GND
VGOUT6-
VGOUT6+
GND
V
CC
VGOUT7-
VGOUT7+
GND
*EP
*EP = EXPOSED PAD
VGOUT2-
MAX2037
TOP VIEW
GND
VG_CLAMP_MODE
V
CC
GND GND
GND GND GND
GND V
REF
VGIN1- VGIN1+ GND GND VGIN2-
GND
EXT_C1
EXT_C2
EXT_C3
VGIN5-
GND
GND
GND
V
CC
GND
GND
VGIN6-
GND
GND
VGIN5+
VGIN6+
VGIN4-
VGOUT5+
TQFP
(14mm × 14mm)
Pin Configuration