MAX1464 Maxim, MAX1464 Datasheet - Page 3

• Manufacturer Part Number: MAX1464
• Description: Low-Power - Low-Noise Multichannel Sensor Signal Processor
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
T
Single-Sided Input Impedance
(INP1 to V
INP2 to V
Common-Mode Rejection Ratio
Differential Signal-Gain Range
Differential Signal Gain
Gain-Error Temperature
Coefficient
COARSE-OFFSET DAC
Resolution
Effective Offset Adjustment at the
ADC Input
A
DDF
= +25°C, unless otherwise noted.) (Note 1)
= V
DD
SS
PARAMETER
SS
, INM2 to V
= 4.5V to 5.5V, V
, INM1 to V
_______________________________________________________________________________________
SS
SS
)
,
SSF
= V
Low-Power, Low-Noise Multichannel
SS
GETC
SYMBOL
= 0V, f
OA
A
CMRR
R
VDIFF
SIN
ADC
ADC
CLK
= 4.0MHz, T
PGA[4:0] = 00000, CLK[2:0] = 000
PGA[4:0] = 01010
PGA[4:0] = 11111, CLK[2:0] = 000
PGA[4:0] = 00000, CLK[2:0] = 011
PGA[4:0] = 01010, CLK[2:0] = 011
PGA[4:0] = 11111, CLK[2:0] = 011
PGA[4:0] = 00000, CLK[2:0] = 110
PGA[4:0] = 01010, CLK[2:0] = 110
PGA[4:0] = 11111, CLK[2:0] = 110
Common-mode voltage V
Selectable in 17 steps (Note 5)
PGA[4:0] = 00000
PGA[4:0] = 00001
PGA[4:0] = 01010
PGA[4:0] = 10100
PGA[4:0] = 11110
PGA[4:0] = 00000
3-bit plus sign
REF = V
CO[3:0] = 0111
REF = V
CO[3:0] = 0011
REF = V
CO[3:0] = 0000
DD
DD
DD
A
,
,
,
= T
CONDITIONS
Sensor Signal Processor
MIN
,
CLK[2:0] = 000
to T
MAX
PGA[4:0] =
00000 to 01000
PGA[4:0] =
01010 to 10000
PGA[4:0] =
10100 to 11110
PGA[4:0] =
00000 to 01000
PGA[4:0] =
01010 to 10000
PGA[4:0] =
10100 to 11110
PGA[4:0] =
00000 to 01000
PGA[4:0] =
01010 to 10000
PGA[4:0] =
10100 to 11110
CM
. Typical values are at V
= V
SS
to V
DD
MIN
0.95
137
203
137
273
525
113
228
-11
7.3
71
57
-3
-7
DDF
= V
0.99 to 244
0.008
DD
TYP
0.99
430
440
288
153
244
147
291
578
126
251
-2.4
3.4
3.5
2.3
7.7
55
36
27
77
64
-8
-1
-4
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4
= 5.0V, V
MAX
1.05
168
283
157
308
630
136
276
8.2
+1
+2
+3
82
69
SSF
= V
ppm/°C
UNITS
SS
%FS
% of
ADC
MΩ
MΩ
Bits
V/V
V/V
Ref
kΩ
kΩ
= 0V,
3