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ADPD188GG bảng dữ liệu(PDF) 3 Page - Analog Devices

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ADPD188GG bảng dữ liệu(HTML) 3 Page - Analog Devices

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Data Sheet
ADPD188GG
Rev. B | Page 3 of 61
SPECIFICATIONS
The voltage applied at the VDD1 and VDD2 pins (VDD) = 1.8 V, and TA = full operating temperature range, unless otherwise noted.
Table 1.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
CURRENT CONSUMPTION
See the Calculating Current Consumption section for the relevant
equations
Peak VDD Supply Current
Single-channel (Register 0x3C, Bits[8:3] = 0x38)
4.5
mA
VDD Standby Current
0.3
µA
Average VDD Supply Current
100 Hz data rate; LED offset = 25 µs; LED pulse period (tLED_PERIOD) =
13 µs; LED peak current = 25 mA
1 Pulse
Time Slot A only
53
µA
Time Slot B only
41
µA
Both Time Slot A and Time Slot B
76
µA
10 Pulses
Time Slot A only
107
µA
Time Slot B only
95
µA
Both Time Slot A and Time Slot B
184
µA
Average VLED Supply Current
LED peak current = 25 mA
1 Pulse
50 Hz data rate
3.75
µA
100 Hz data rate
7.5
µA
200 Hz data rate
15
µA
10 Pulses
50 Hz data rate
38
µA
100 Hz data rate
75
µA
200 Hz data rate
150
µA
SATURATION ILLUMINANCE1
Blackbody color temperature (T = 5500 K)2, PDET1 and PDET2
multiplexed into a single channel (1.2 mm2active area)
Direct Illumination
Transimpedance amplifier (TIA) gain = 25 kΩ
58.8
kLux
TIA gain = 50 kΩ
29.4
kLux
TIA gain = 100 kΩ
14.7
kLux
TIA gain = 200 kΩ
7.4
kLux
DATA ACQUISITION
ADC Resolution
Single pulse
14
Bits
Per Sample
64 pulses to 255 pulses
20
Bits
Per Data Read
64 pulses to 255 pulses; 128 samples averaged
27
Bits
LED PERIOD
AFE width = 4 µs3
13
19
µs
AFE width = 3 µs
11
17
µs
Sampling Frequency4
Time Slot A or Time Slot B; normal mode; 1 pulse;
SLOTA_LED_OFFSET = 23 µs; SLOTA_PERIOD = 19 µs
0.122
2000
Hz
Both time slots; normal mode; 1 pulse;
SLOTA_LED_OFFSET = 23 µs; SLOTA_PERIOD = 19 µs
0.122
1600
Hz
Time Slot A or Time Slot B; normal mode; 8 pulses;
SLOTA_LED_OFFSET = 23 µs; SLOTA_PERIOD = 19 µs
0.122
1600
Hz
Both time slots; normal mode; 8 pulses;
SLOTA_LED_OFFSET = 23 µs; SLOTA_PERIOD = 19 µs
0.122
1000
Hz



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