(VDD = +5 V 5%, AGND = DGND = 0 V, REF IN = +2.5 V. All specifi" />
參數(shù)資料
型號(hào)： AD7892BR-1
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 7/14頁(yè)
文件大?。?/td> 0K
描述： IC ADC 12BIT 5V 500KSPS 24-SOIC
標(biāo)準(zhǔn)包裝： 1
位數(shù)： 12
采樣率（每秒）： 500k
數(shù)據(jù)接口： 串行，并聯(lián)
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 90mW
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 24-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 24-SOIC W
包裝： 管件
輸入數(shù)目和類型： 2 個(gè)單端，雙極
(VDD = +5 V
5%, AGND = DGND = 0 V, REF IN = +2.5 V. All specifications TMIN to TMAX
unless otherwise noted.)
AD7892–SPECIFICATIONS
Parameter
A Versions
1
B Versions
S Version
2
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
AD7892-1, AD7892-2
fIN = 100 kHz. fSAMPLE = 500 kSPS
Signal to (Noise + Distortion) Ratio
3
70
dB min
Total Harmonic Distortion3
–78
dB max
typ –84 dB
Peak Harmonic or Spurious Noise
3
–79
dB max
Intermodulation Distortion
3
fa = 49 kHz, fb = 50 kHz
2nd Order Terms
–78
dB max
typ –84 dB
3rd Order Terms
–78
dB max
typ –84 dB
AD7892-3
fIN = 100 kHz. fSAMPLE = 600 kSPS
Signal to (Noise + Distortion) Ratio3
70
dB min
Total Harmonic Distortion
3
–78
dB max
Peak Harmonic or Spurious Noise
3
–79
dB max
Intermodulation Distortion3
fa = 49 kHz, fb = 50 kHz
2nd Order Terms
–78
dB max
3rd Order Terms
–78
dB max
DC ACCURACY
Resolution
12
Bits
Minimum Resolution for Which No
Missing Codes Are Guaranteed
12
Bits
Relative Accuracy
3
±1.5
±1
LSB max
Differential Nonlinearity
3
±1
LSB max
AD7892-1
Positive Full-Scale Error
3
±4
±5
LSB max
Negative Full-Scale Error
3
±4
±5
LSB max
Bipolar Zero Error
3
±3
±2
±3
LSB max
AD7892-3
Positive Full-Scale Error
3
±4
LSB max
Negative Full-Scale Error
3
±4
LSB max
Bipolar Zero Error
3
±4
±3
LSB max
AD7892-2
Positive Full-Scale Error3
±5
LSB max
Unipolar Offset Error
3
±4
±3
±4
LSB max
ANALOG INPUT
AD7892-1
Input Voltage Range
±10
Volts
Input Applied to VIN1 with VIN2 Grounded
Input Voltage Range
±5
Volts
Input Applied to VIN1 and VIN2
Input Resistance
8
k
min
Input Applied to VIN1 with VIN2 Grounded
AD7892-2
Input Voltage Range on VIN1
0 to +2.5
Volts
Input Applied to VIN1
Input Current
10
50
nA max
Input Voltage Range on VIN2
±50
mV max
AD7892-3
Input Voltage Range on VIN1
±2.5
Volts
Input Applied to VIN1
Input Resistance
2
k
min
REFERENCE OUTPUT/INPUT
REF IN Input Voltage Range
2.375/2.625
V min/V max
2.5 V
± 5%
Input Impedance
1.6
k
min
Resistor Connected to Internal Reference Node
Input Capacitance
4
10
pF max
REF OUT Output Voltage
2.5
V nom
REF OUT Error @ +25
°C
±10
mV max
TMIN to TMAX
±20
±25
mV max
REF OUT Temperature Coefficient
25
ppm/
°C typ
REF OUT Output Impedance
5.5
k
nom
LOGIC INPUTS
Input High Voltage, VINH
2.4
V min
VDD = 5 V
± 5%
Input Low Voltage, VINL
0.8
V max
VDD = 5 V
± 5%
Input Current, IIN
±10
A max
VIN = 0 V to VDD
Input Capacitance, CIN
4
10
pF max
–2–
REV. C
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參數(shù)描述
AD7892BR-1REEL 功能描述:IC ADC 12BIT LP 500KSPS 24-SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據(jù)接口:串行，并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個(gè)單端，雙極
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