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MAX30002 数据表(PDF) 4 Page - Maxim Integrated Products

部件名 MAX30002
功能描述  Ultra-Low-Power, Single-Channel Integrated Bioimpedance (BioZ) AFE
PDF  44 Pages
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制造商  MAXIM [Maxim Integrated Products]
网页  https://www.maximintegrated.com/en.html
标志 MAXIM - Maxim Integrated Products

MAX30002 数据表(HTML) 4 Page - Maxim Integrated Products

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(VDVDD = VAVDD = +1.1V to +2.0V, VOVDD = +1.65V to +3.6V, fFCLK = 32.768kHz, LN_BIOZ = 1, TA = TMIN to TMAX, unless otherwise
noted. Typical values are at VDVDD = VAVDD = +1.8V, VOVDD = +2.5V, TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ADC Resolution
20
Bits
Input Referred Noise
(BIP, BIN)
BW = 0.05 to 4Hz, Gain = 20x
0.16
μVRMS
BW = 0.05 to 4Hz, Gain = 20x
1.1
μVP-P
Impedance Resolution
DC to 4Hz, 32µAP-P, 40kHz, Gain = 20x,
RBODY = 680Ω
40
mΩP-P
Input Analog High Pass Filter
Programmable, see Register Map
125 to
7200
Hz
Demodulation Phase Range
Programmable, see Register Map
0-180
°
Demodulation Phase
Resolution
Programmable, see Register Map
11.25
°
Output Digital Low Pass Filter
DLPF[1:0] = 01
4
Hz
DLPF[1:0] = 10
8
DLPF[1:0] = 11
16
Output Digital High Pass Filter
DHPF[1:0] = 01
0.05
Hz
DHPF[1:0] = 1x
0.5
BIOIMPEDANCE (BIOZ) INPUT MUX
DC Lead Off Check
IMAG[2:0] = 001
5
nA
IMAG[2:0] = 010
10
IMAG[2:0] = 011
20
IMAG[2:0] = 100
50
IMAG[2:0] = 101
100
DC Lead Off Comparator Low
Threshold
VTH[1:0] = 11 (Note 4)
VMID –
0.50
V
VTH[1:0] = 10 (Note 5)
VMID –
0.45
VTH[1:0] = 01 (Note 6)
VMID –
0.40
VTH[1:0] = 00
VMID –
0.30
DC Lead Off Comparator High
Threshold
VTH[1:0] = 11 (Note 4)
VMID + 0.50
V
VTH[1:0] = 10 (Note 5)
VMID + 0.45
VTH[1:0] = 01 (Note 6)
VMID + 0.40
VTH[1:0] = 00
VMID + 0.30
Lead Bias Impedance
Lead bias enabled, RBIASV[1:0] = 00
50
MΩ
Lead bias enabled, RBIASV[1:0] = 01
100
Lead bias enabled, RBIASV[1:0] = 10
200
Lead Bias Voltage
Lead bias enabled. Programmable,
see Register Map
VAVDD/
2.15
V
Electrical Characteristics (continued)
MAX30002
Ultra-Low-Power, Single-Channel Integrated
Bioimpedance (BioZ) AFE
www.maximintegrated.com
Maxim Integrated │ 4



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