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ADUCM350 датащи(PDF) 7 Page - Analog Devices

номер детали ADUCM350
подробное описание детали  16-Bit Precision, Low Power Meter On A
PDF  41 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

ADUCM350 датащи(HTML) 7 Page - Analog Devices

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ADuCM350
Data Sheet
Rev. A | Page 6 of 40
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DC ON LEAKAGE2
T, N, and P Switches
530
pA
Sum value for 25 switches, including NL
D Switches
340
pA
Sum value for eight switches
1
RON characterized with a voltage sweep from 0 V to VCCM. Production tested at 1.8 V.
2
See Figure 38 as a reference. The AFE x pin is driven to 0.2 V.
TRANSIMPEDANCE AMPLIFIER SPECIFICATIONS
Table 5. Transimpedance Amplifier Specifications
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
TRANSIMPEDANCE AMPLIFIER
Maximum Current Sink/Source
±5
mA
Ensure an RTIA selection to generate ±750 mV swing for optimal
linearity performance
Short-Circuit Protection Functionality
10
mA
ADC SPECIFICATIONS
Table 6. ADC Specifications1
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
ADC
Input Range
0.35
1.85
V
Internal reference
No Missing Codes
16
Bits
DNL
±0.9
LSB
INL
±0.7
LSB
@ 160 kSPS with respect to an optimal
voltage range of ±750 mV, from 0°C to
50°C
±1
LSB
@ 160 kSPS with respect to an optimal
voltage range of ±750 mV, from −40°C to
+85°C
Sample Rate After Decimation
160
kSPS
3 dB Bandwidth
54
kHz
1
RTIA = 7.5 kΩ, CTIA = 220 pF; ±100 μA current measurement.
TEMPERATURE SENSOR SPECIFICATIONS
Table 7. Temperature Sensor Specifications
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
TEMPERATURE SENSOR
Accuracy
±1
°C
0°C to 50°C, trimmed at 25°C
±2
°C
−40°C to +85°C, trimmed at +25°C
CapTouch
Table 8. CapTouch Specifications
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
CapTouch™ CHARACTERISTICS
Core Resolution
14
Bits
Core SNR
60
dB
1 kHz test tone, input range of ADC = 1.8 V
CAPT_x
±10
nA
GPIO leakage test
Update Rate
7.5
1E6
µs
Programmable, dependent on configuration
Update Rate per Sensor
7.5
µs
No filtering enabled, clock = 16 MHz
CAPT_x Input Range
±8
pF
∆CIN is register programmable from 0.5 pF to
9.3 pF
CAPT_x Offset (CapDAC) Range
75
pF



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