AD7819–SPECIFICATIONS1 (GND = 0 V, VREF
參數(shù)資料
型號(hào): AD7819YRUZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 4/11頁
文件大?。?/td> 0K
描述: IC ADC 8BIT SAMPLING PAR 16TSSOP
標(biāo)準(zhǔn)包裝: 1,000
位數(shù): 8
采樣率(每秒): 200k
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 17.5mW
電壓電源: 單電源
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)單端,單極
REV. B
–2–
AD7819–SPECIFICATIONS1
(GND = 0 V, VREF = VDD = 3 V
10% to 5 V
10%. All specifications –40 C
to +125 C unless otherwise noted.)
Parameter
Y Version
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 30 kHz, fSAMPLE = 136 kHz
Signal to (Noise + Distortion) Ratio
1
48
dB min
Total Harmonic Distortion (THD)
1
–70
dB typ
Peak Harmonic or Spurious Noise
1
–70
dB typ
Intermodulation Distortion
2
fa = 29.1 kHz; fb = 29.8 kHz
2nd Order Terms
–77
dB typ
3rd Order Terms
–77
dB typ
DC ACCURACY
Resolution
8
Bits
Minimum Resolution for Which
No Missing Codes Are Guaranteed
8
Bits
Relative Accuracy
1
±0.5
LSB max
Differential Nonlinearity (DNL)
1
±0.5
LSB max
Total Unadjusted Error
1
±1
LSB max
Gain Error
1
±0.5
LSB max
Offset Error
1
±0.5
LSB max
ANALOG INPUT
Input Voltage Range
0
V min
VREF
V max
Input Leakage Current
2
±1
A max
Input Capacitance2
15
pF mx
REFERENCE INPUTS
2
VREF Input Voltage Range
1.2
V min
VDD
V max
Input Leakage Current
±1
A max
Input Capacitance
20
pF max
LOGIC INPUTS
2
VINH, Input High Voltage
2.0
V min
VINL, Input Low Voltage
0.4
V max
(0.8 V max, VDD = 5 V)
Input Current, IIN
±1
A max
Typically 10 nA, VIN = 0 V to VDD
Input Capacitance, CIN
8
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
2.4
V min
ISOURCE = 200
A
Output Low Voltage, VOL
0.4
V max
ISINK = 200
A
High Impedance Leakage Current
±1
A max
High Impedance Capacitance
15
pF max
CONVERSION RATE
Conversion Time
4.5
s max
Track/Hold Acquisition Time
1
100
ns max
See DC Acquisition Section
POWER SUPPLY
VDD
2.7–5.5
Volts
For Specified Performance
IDD
Digital Inputs = 0 V or VDD
Normal Operation
3.5
mA max
Power-Down
1
A max
VDD = 5 V
Power Dissipation
Normal Operation
17.5
mW max
VDD = 5 V
Power-Down
5
W max
Auto Power-Down (Mode 2)
VDD = 3 V
1 kSPS Throughput
57.75
W max
10 kSPS Throughput
577.5
W max
50 kSPS Throughput
2.89
mW max
NOTES
1See Terminology section.
2Sample tested during initial release and after any redesign or process change that may affect this parameter.
Specifications subject to change without notice.
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