參數(shù)資料
型號(hào)： AD7816
廠商： Analog Devices, Inc.
元件分類： 溫度/濕度傳感器
英文描述： 10-Bit ADCs with On-Chip Temperature Sensor(10位A/D轉(zhuǎn)換器)
中文描述： 10位ADC的片上溫度傳感器（10位的A / D轉(zhuǎn)換器）
文件頁(yè)數(shù)： 2/16頁(yè)
文件大小： 230K
代理商： AD7816
–2–
REV. 0
AD7816/AD7817/AD7818
AD7817–SPECIFICATIONS
1
Parameter
A Version
*B Version
*S Version
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Sample Rate = 100 kSPS, Any
Channel, f
IN
= 20 kHz
Signal to (Noise + Distortion) Ratio
2
Total Harmonic Distortion
2
Peak Harmonic or Spurious Noise
2
Intermodulation Distortion
2
Second Order Terms
Third Order Terms
Channel-to-Channel Isolation
2
58
–65
–65
58
–65
–65
58
–65
–65
dB min
dB max
dB max
–75 dB typ
–75 dB typ
fa =19.9kHz, fb = 20.1kHz
–67
–67
–80
–67
–67
–80
–67
–67
–80
dB typ
dB typ
dB typ
f
IN
= 20 kHz
Any Channel
DC ACCURACY
Resolution
Minimum Resolution for Which
No Missing Codes Are Guaranteed 10
Relative Accuracy
2
Differential Nonlinearity
2
Gain Error
2
10
10
10
Bits
10
±
1
±
1
±
2
±
10
±
1/2
±
2
±
1/2
10
±
1
±
1
±
2
+20/–10
±
1/2
±
2
±
1/2
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
±
1
±
1
±
2
±
10
±
1/2
±
2
±
1/2
External Reference
Internal Reference
Gain Error Match
2
Offset Error
2
Offset Error Match
TEMPERATURE SENSOR
1
Measurement Error
Ambient Temperature +25
°
C
T
MIN
to T
MAX
Measurement Error
Ambient Temperature +25
°
C
T
MIN
to T
MAX
Temperature Resolution
REFERENCE INPUT
3, 4
REF
IN
Input Voltage Range
3
External Reference V
REF
= 2.5 V
±
2
±
3
±
1
±
2
±
2
±
3
°
C max
°
C max
On-Chip Reference
±
2.25
±
3
1/4
±
2.25
±
3
1/4
±
2.25
±
6
1/4
°
C max
°
C max
°
C/LSB
2.625
2.375
40
10
2.625
2.375
40
10
2.625
2.375
40
10
V max
V min
k
min
pF max
2.5 V + 5%
2.5 V – 5%
Input Impedance
Input Capacitance
ON-CHIP REFERENCE
5
Temperature Coefficient
3
Nominal 2.5 V
80
80
150
ppm/
°
C typ
CONVERSION RATE
Track/Hold Acquisition Time
4
Conversion Time
Temperature Sensor
Channels 1 to 4
400
400
400
ns max
Source Impedance < 10
27
9
27
9
27
9
μ
s max
μ
s max
POWER REQUIREMENTS
V
DD
+5.5
+2.7
+5.5
+2.7
+5.5
+2.7
V max
V min
For Specified Performance
I
DD
Logic Inputs = 0 V or V
DD
1.6 mA typ
2.5 V External Reference Connected
50 nA typ
V
DD
= 3 V
See Power vs. Throughput Section
for Description of Power Dissipation
in Auto Power-Down Mode
Typically 0.15
μ
W
Normal Operation
Using External Reference
Power-Down
Auto Power-Down Mode
10 SPS Throughput Rate
1 kSPS Throughput Rate
10 kSPS Throughput Rate
Power-Down
2
1.75
1
2
1.75
1
2
1.75
2
mA max
mA max
μ
A max
6
60
600
3
6
60
600
3
6
60
600
6
μ
W typ
μ
W typ
μ
W typ
μ
W max
(V
DD
= +2.7 V to +5.5 V, GND = 0V, REF
IN
= +2.5V unless otherwise noted)
相關(guān)PDF資料
PDF描述
AD7817 10-Bit ADCs with On-Chip Temperature Sensor(四通道,10位A/D轉(zhuǎn)換器)
AD7818 10-Bit ADCs with On-Chip Temperature Sensor(單通道,10位A/D轉(zhuǎn)換器)
AD7819 8-Bit Sampling ADC(200kSPS,8位采樣A/D轉(zhuǎn)換器)
AD7820 LC2MOS HIGH-SPEED uP-COMPATIBLE 8-BIT ADC WITH TRACK/HOLD FUNCTION
AD7820BQ LC2MOS HIGH-SPEED uP-COMPATIBLE 8-BIT ADC WITH TRACK/HOLD FUNCTION
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