Datasheet

V
DD
V
DD
V
SS
V
SS
∑
∑
∆
∑
EEPROM
(LOOKUP PLUS CONFIGURATION DATA)
V
DD
V
SS
V
DD
V
SS
FSO
DAC
UNLOCK
V
DD
16-BIT
16-BIT
8-BIT
LOOKUP
ADDRESS
BANDGAP
TEMP
SENSOR
PGA MUXMUX
FSOTC REGISTER
ISRC
R
STC
75kΩ
R
ISRC
75kΩ
BDR
FSOTC
INP
INM
FSOTC
DAC
V
SS
EEPROM ADDRESS
15EH + 15FH
000H + 001H
:
OFFSET DAC LOOKUP TABLE
(176 x 16-BITS)
CONFIGURATION REGISTER SHADOW
USAGE
19EH + 19FH
16CH + 16DH
:
USER STORAGE (52 BYTES)
2FEH + 2FFH
1A0H + 1A1H
:
FSO DAC LOOKUP TABLE
(176 x 16-BITS)
160H + 161H
RESERVED
162H + 163H
OFFSET TC REGISTER SHADOW
164H + 165H
RESERVED
166H + 167H
FSOTC REGISTER SHADOW
168H + 169H
CONTROL LOCATION REGISTER16AH + 16BH
OFFSET
DAC
±1
±1
x
26
PHASE
REVERSAL
MUX
OUT
AMP-
AMPOUT
AMP+
PGA GAIN
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
9.0
8.5
PGA (3:0)
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1111
1110
TOTAL GAIN
39
52
65
78
91
104
117
130
143
156
169
182
195
208
234
221
IRO (3, 2:0) OFFSET mV
63
54
45
36
27
18
9
0
0
-9
-18
-27
-36
-45
-63
-54
1,111
1,110
1,101
1,100
1,011
1,010
1,001
1,000
0,000
0,001
0,010
0,011
0,100
0,101
0,111
0,110
V
SS
16-BIT
OFFSET
TC DAC
OTC REGISTER
INPUT REFERRED OFFSET
(COARSE OFFSET) PROGRAMMABLE GAIN STAGE
UNCOMMITTED OP AMP
VALUE
V
SS
TO V
DD
±20mV
V
SS
, V
DD
±0.01V
V
SS
, V
DD
±0.25V
10MHz TYPICAL
PARAMETER
I/P RANGE
I/P OFFSET
O/P RANGE
NO LOAD
1mA LOAD
UNITY GBW
PGA BANDWIDTH 3kHz ± 10%
16-BIT
* INPUT REFERRED
OFFSET VALUE IS
PROPORTIONAL TO V
DD
.
VALUES GIVEN ARE FOR
V
DD
= 5V.
V
SS
PGA BANDWIDTH
3kHz 10%
V
SS
TEST
CLK1M
V
DDF
DIO
DIGITAL
INTERFACE
MAX1452 Low-Cost Precision Sensor
Signal Conditioner
www.maximintegrated.com
Maxim Integrated │ 23
Detailed Block Diagram