參數(shù)資料
型號： AD7853ANZ
廠商： Analog Devices Inc
文件頁數(shù)： 12/34頁
文件大?。?/td> 0K
描述： IC ADC 12BIT SRL 200KSPS 24-DIP
產品變化通告： Product Discontinuance 27/Oct/2011
標準包裝： 15
位數(shù)： 12
采樣率（每秒）： 200k
數(shù)據接口： 8051，QSPI?，串行，SPI? µP
轉換器數(shù)目： 2
功率耗散（最大）： 33mW
電壓電源： 模擬和數(shù)字
工作溫度： -40°C ~ 85°C
安裝類型： 通孔
封裝/外殼： 24-DIP（0.300"，7.62mm）
供應商設備封裝： 24-PDIP
包裝： 管件
輸入數(shù)目和類型： 1 個偽差分，單極；1 個偽差分，雙極
Parameter
A Version
1
B Version
1
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal to Noise + Distortion Ratio
3
70
71
dB min
Typically SNR Is 72 dB
(SNR)
VIN = 10 kHz Sine Wave, fSAMPLE = 200 kHz (100 kHz)
Total Harmonic Distortion (THD)
–78
dB max
VIN = 10 kHz Sine Wave, fSAMPLE = 200 kHz (100 kHz)
Peak Harmonic or Spurious Noise
–78
dB max
VIN = 10 kHz Sine Wave, fSAMPLE = 200 kHz (100 kHz)
Intermodulation Distortion (IMD)
Second Order Terms
–78
–80
dB typ
fa = 9.983 kHz, fb = 10.05 kHz, fSAMPLE = 200 kHz (100 kHz)
Third Order Terms
–78
–80
dB typ
fa = 9.983 kHz, fb = 10.05 kHz, fSAMPLE = 200 kHz (100 kHz)
DC ACCURACY
Resolution
12
Bits
Integral Nonlinearity
±1
LSB max
2.5 V External Reference VDD = 3 V, VDD = 5 V (B Grade Only)
±1
±0.5
LSB max
5 V External Reference VDD = 5 V
(
±1)
LSB max
(L Version, 5 V External Reference, VDD = 5 V)
(
±1)
LSB max
(L Version)
Differential Nonlinearity
±1
LSB max
Guaranteed No Missed Codes to 12 Bits. 2.5 V External Reference
VDD = 3 V, 5 V External Reference VDD = 5 V
Total Unadjusted Error
±1
LSB typ
Unipolar Offset Error
±1
LSB max
2.5 V External Reference VDD = 3 V, 5 V External Reference VDD = 5 V
Unipolar Offset Error
(
±2.5)
(
±2.5)
LSB max
(L Versions, 2.5 V External Reference VDD = 3 V, 5 V External
Reference VDD = 5 V)
Positive Full-Scale Error
±2.5
LSB max
2.5 V External Reference VDD = 3 V, 5 V External Reference VDD = 5 V
Positive Full-Scale Error
(
±4)
(
±4)
LSB max
(L Versions, 2.5 V External Reference VDD = 3 V, 5 V External
Reference VDD = 5 V)
Negative Full-Scale Error
±2.5
LSB max
2.5 V External Reference VDD = 3 V, 5 V External Reference VDD = 5 V
Negative Full-Scale Error
(
±4)
(
±4)
LSB max
(L Versions, 2.5 V External Reference VDD = 3 V, 5 V External
Reference VDD = 5 V)
Bipolar Zero Error
±2
LSB max
2.5 V External Reference VDD = 3 V, 5 V External Reference VDD = 5 V
Bipolar Zero Error
(
±2.5)
(
±2.5)
LSB max
(L Versions, 2.5 V External Reference VDD = 3 V, 5 V External
Reference VDD = 5 V)
ANALOG INPUT
Input Voltage Ranges
0 to VREF
Volts
i.e., AIN(+) – AIN(–) = 0 to VREF, AIN(–) Can Be Biased
Up But AIN(+) Cannot Go Below AIN(–)
±V
REF/2
±V
REF/2
Volts
i.e., AIN(+) – AIN(–) = –VREF/2 to +VREF/2, AIN(–) Should
Be Biased to +VREF/2 and AIN(+) Can Go Below AIN(–) But
Cannot Go Below 0 V
Leakage Current
±1
A max
Input Capacitance
20
pF typ
REFERENCE INPUT/OUTPUT
REFIN Input Voltage Range
2.3/VDD
V min/max
Functional from 1.2 V
Input Impedance
150
k
typ
REFOUT Output Voltage
2.3/2.7
V min/max
REFOUT Tempco
20
ppm/
°C typ
LOGIC INPUTS
Input High Voltage, VINH
2.4
V min
AVDD = DVDD = 4.5 V to 5.5 V
2.1
V min
AVDD = DVDD = 3.0 V to 3.6 V
Input Low Voltage, VINL
0.8
V max
AVDD = DVDD = 4.5 V to 5.5 V
0.6
V max
AVDD = DVDD = 3.0 V to 3.6 V
Input Current, IIN
±10
A max
Typically 10 nA, VIN = 0 V or VDD
Input Capacitance, CIN
4
10
pF max
AD7853/AD7853L–SPECIFICATIONS1, 2
REV. B
–2–
(AVDD = DVDD = +3.0 V to +5.5 V, REFIN/REFOUT = 2.5 V
External Reference, fCLKIN = 4 MHz (1.8 MHz B Grade (0 C to +70 C), 1 MHz A and B Grades (–40 C to +85 C) for L Version); fSAMPLE = 200 kHz
(AD7853) 100 kHz (AD7853L);
SLEEP = Logic High; T
A = TMIN to TMAX, unless otherwise noted.) Specifications in () apply to the AD7853L.
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