Datasheet

Table 18. Coarse-Offset DAC (3 Bits Plus Sign, Where n = 1, 2, or T)
Table 16. ADC Resolution (RESn[2:0],
Where n = 1, 2, or T)
Table 17. ADC Conversion Time
(RESn[2:0] and CLKn[2:0], Where
n = 1, 2, or T)
*Measured at the ADC input.
MAX1464 Low-Power, Low-Noise Multichannel
Sensor Signal Processor
www.maximintegrated.com
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RESn[2:0]
RESOLUTION
(BITS)
NO. OF f
ADC
CLOCKS PER
CONVERSION
000 9 256
001 10 320
010 12 512
011 13 640
100 14 800
101 15 1280
110 16 2048
RESOLUTION
(BITS)
CONVERSION TIME (ms)
CLKn[2:0] =
000
CLKn[2:0] =
100
CLKn[2:0] =
111
9 0.256 4.096 32.768
10 0.320 5.120 40.960
12 0.512 8.192 65.536
13 0.640 10.240 81.920
14 0.800 12.800 102.400
15 1.280 20.480 163.840
16 2.048 32.768 262.140
COn
[3:0]
COARSE OFFSET ADDED AS % OF ADC REFERENCE*
ADC REFERENCE EQUAL TO V
DD
or 2 x V
REF
ADC REFERENCE EQUAL TO 4 x V
BG
PGAn = 1 TO 59 PGAn = 71 TO 114 PGAn = 137 TO 220 PGAn = 1 TO 59 PGAn = 71 TO 114 PGAn = 137 TO 220
00000 TO 01000 01010 TO 10000 10100 TO 11110 00000 TO 01000 01010 TO 10000 10100 TO 11110
0111 +147 +291 +578 +137 +270 +539
0110 +124 +245 +487 +116 +229 +456
0101 +104 +206 +409 +97 +192 +383
0100 +82 +162 +322 +76 +151 +300
0011 +64 +126 +251 +59 +116 +231
0010 +41 +81 +160 +38 +75 +148
0001 +21 +41 +83 +19 +38 +76
0000 -1 -2.4 -4 -1.7 -3.3 -7
1000 -10 -19 -38 -4.6 -9 -19
1001 -30 -61 -120 -26 -51 -101
1010 -50 -100 -199 -44 -87 -174
1011 -73 -145 -287 -65 -129 -257
1100 -91 -181 -360 -82 -163 -326
1101 -113 -225 -447 -104 -205 -409
1110 -133 -264 -526 -122 -242 -482
1111 -156 -309 -614 -143 -283 -565