Datasheet

MAX2078
Octal-Channel Ultrasound Front-End
with CW Doppler Mixers
24 ______________________________________________________________________________________
Typical Application Circuit
5859606162 5455
56
5763
38
39
40
41
42
43
44
45
46
47
ZF5
INC7
V
CC1
11V
CI+ CI- CQ+ CQ- V/C NP
CS
DIN CLK
5253
V
CC2
V
CC2
OUT1+
IN7
IN7
IN8
IN8
ZF8
V
CC2
INC8
V
CC1
V
REF
VG-
REF VG+ VG-
DOUT
VG+ CLP
GND GND
PD
DOUT
OUT3-
OUT4+
OUT4-
V
CC1
LO+
LO+
OUT5-
LO-
LO-
OUT5+
OUT6+
OUT6-
35
36
37
OUT7+
OUT7-
OUT8+
*EP
*EP = EXPOSED PAD.
AG
GND
INC4
IN4
ZF4
INC6
IN6
ZF6
INC5
IN5
INC3
IN3
ZF3
INC2
48
OUT3+
IN2
64
V
CC2
656667
INC1 IN1
IN1
IN2
ZF1
68
ZF2
2322212019 2726252418 2928 323130
V
CC2
OUT8-
OUT8-
3433
49
50
OUT2+
OUT2-
51
+
OUT1-
11
10
9
8
7
6
5
4
3
2
16
15
14
13
12
1
ZF7
17
MAX2078
IN3
R4
162Ω
R3
162Ω
R2
162Ω
R1
162Ω
C39
10nF
C1
22nF
C2
10nF
C3
22nF
C38
10nF
C35
100nF
C36
100nF
C37
22nF
C33
4.7nF
C12
22nF
C11
10nF
C34
100nF
C13
10nF
C14
22nF
C15
100nF
C16
100nF
C17
100nF
C40
4.7nF
C6
1μF
OUT1+
C31
4.7nF
OUT2+
C32
4.7nF
OUT1-
C29
4.7nF
OUT3+
C30
4.7nF
OUT2-
C24
4.7nF
OUT5+
C23
4.7nF
OUT5-
C22
4.7nF
OUT6+
C21
4.7nF
OUT6-
C20
4.7nF
OUT7+
C18
4.7nF
OUT8+
C19
4.7nF
OUT7-
C27
4.7nF
OUT4+
C28
4.7nF
OUT3-
C25
100nF
C26
4.7nF
OUT4-
V/C NP
CSB
DIN CLK
V
CC1
V
CC2
V
CC1
IN4
C4
10nF
C5
22nF
IN5
C7
10nF
C8
22nF
IN6
C9
10nF
C10
22nF