參數(shù)資料
型號: DS229SN
廠商: DALLAS SEMICONDUCTOR
元件分類: Line Driver or Receiver
英文描述: LINE TRANSCEIVER, PDSO20
封裝: SOIC-20
文件頁數(shù): 23/47頁
文件大小: 413K
代理商: DS229SN
MAX1464
Low-Power, Low-Noise Multichannel
Sensor Signal Processor
3
Maxim Integrated
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PGA[4:0] = 00000, CLK[2:0] = 000
430
PGA[4:0] = 01010, CLK[2:0] = 000
55
PGA[4:0] = 11111, CLK[2:0] = 000
36
k
Ω
PGA[4:0] = 00000, CLK[2:0] = 011
3.4
M
Ω
PGA[4:0] = 01010, CLK[2:0] = 011
440
PGA[4:0] = 11111, CLK[2:0] = 011
288
k
Ω
PGA[4:0] = 00000, CLK[2:0] = 110
27
PGA[4:0] = 01010, CLK[2:0] = 110
3.5
Single-Sided Input Impedance
(INP1 to VSS, INM1 to VSS,
INP2 to VSS, INM2 to VSS)
RSIN
PGA[4:0] = 11111, CLK[2:0] = 110
2.3
M
Ω
Common-Mode Rejection Ratio
CMRR
Common-mode voltage VCM = VSS to VDD
0.008
%FS
Differential Signal-Gain Range
Selectable in 17 steps (Note 5)
0.99 to 244
V/V
PGA[4:0] = 00000
0.95
0.99
1.05
PGA[4:0] = 00001
7.3
7.7
8.2
PGA[4:0] = 01010
71
77
82
PGA[4:0] = 10100
137
153
168
Differential Signal Gain
AVDIFF
PGA[4:0] = 11110
203
244
283
V/V
Gain-Error Temperature
Coefficient
GETCADC
PGA[4:0] = 00000
-8
ppm/
°C
COARSE-OFFSET DAC
Resolution
3-bit plus sign
4
Bits
PGA[4:0] =
00000 to 01000
137
147
157
PGA[4:0] =
01010 to 10000
273
291
308
REF = VDD,
CO[3:0] = 0111
PGA[4:0] =
10100 to 11110
525
578
630
PGA[4:0] =
00000 to 01000
57
64
69
PGA[4:0] =
01010 to 10000
113
126
136
REF = VDD,
CO[3:0] = 0011
PGA[4:0] =
10100 to 11110
228
251
276
PGA[4:0] =
00000 to 01000
-3
-1
+1
PGA[4:0] =
01010 to 10000
-7
-2.4
+2
Effective Offset Adjustment at the
ADC Input
OAADC
REF = VDD,
CO[3:0] = 0000
PGA[4:0] =
10100 to 11110
-11
-4
+3
% of
ADC
Ref
ELECTRICAL CHARACTERISTICS (continued)
(VDDF = VDD = 4.5V to 5.5V, VSSF = VSS = 0V, fCLK = 4.0MHz, TA = TMIN to TMAX. Typical values are at VDDF = VDD = 5.0V, VSSF = VSS = 0V,
TA = +25°C, unless otherwise noted.) (Note 1)
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