參數(shù)資料
型號(hào)： AD7859BSZ
廠商： Analog Devices Inc
文件頁數(shù)： 12/28頁
文件大?。?/td> 0K
描述： IC ADC 12BIT 8CHAN LP 44-MQFP
標(biāo)準(zhǔn)包裝： 1
位數(shù)： 12
采樣率（每秒）： 200k
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 2
功率耗散（最大）： 30mW
電壓電源： 模擬和數(shù)字
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 44-QFP
供應(yīng)商設(shè)備封裝： 44-MQFP（10x10）
包裝： 托盤
輸入數(shù)目和類型： 8 個(gè)單端，單極；8 個(gè)單端，雙極；4 個(gè)偽差分，單極；4 個(gè)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
(for L Version: fSAMPLE = 100 kHz @ fCLKIN = 2 MHz)
Total Harmonic Distortion (THD)
–78
dB max
VIN = 10 kHz Sine Wave, fSAMPLE = 200 kHz
(for L Version: fSAMPLE = 100 kHz @ fCLKIN = 2 MHz)
Peak Harmonic or Spurious Noise
–78
dB max
VIN = 10 kHz Sine Wave, fSAMPLE = 200 kHz
(for L Version: fSAMPLE = 100 kHz @ fCLKIN = 2 MHz)
Intermodulation Distortion (IMD)
Second Order Terms
–78
dB typ
fa = 9.983 kHz, fb = 10.05 kHz, fSAMPLE = 200 kHz
(for L Version: fSAMPLE = 100 kHz @ fCLKIN = 2 MHz)
Third Order Terms
–78
dB typ
fa = 9.983 kHz, fb = 10.05 kHz, fSAMPLE = 200 kHz
(for L Version: fSAMPLE = 100 kHz @ fCLKIN = 2 MHz)
Channel-to-Channel Isolation
–80
dB typ
VIN = 25 kHz
DC ACCURACY
Resolution
12
Bits
Integral Nonlinearity
±1
±0.5
LSB max
5 V Reference VDD = 5 V
Differential Nonlinearity
±1
LSB max
Guaranteed No Missed Codes to 12 Bits
Unipolar Offset Error
±5
LSB max
±2
LSB typ
Unipolar Offset Error Match
2(3)
2
LSB max
Positive Full-Scale Error
±5
LSB max
±2
LSB typ
Negative Full-Scale Error
±2
LSB max
Full-Scale Error Match
1
LSB max
Bipolar Zero Error
±1
LSB typ
Bipolar Zero Error Match
2
LSB typ
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
CAL
Pin
3
V min
AVDD = DVDD = 4.5 V to 5.5 V
2.4
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
LOGIC OUTPUTS
Output High Voltage, VOH
4
V min
AVDD = DVDD = 4.5 V to 5.5 V
2.4
V min
AVDD = DVDD = 3.0 V to 3.6 V
Output Low Voltage, VOL
0.4
V max
ISINK = 1.6 mA
Floating State Leakage Current
±10
A max
Floating-State Output Capacitance
4
10
pF max
Output Coding
Straight (Natural) Binary
Unipolar Input Range
2s Complement
Bipolar Input Range
AD7859/AD7859L–SPECIFICATIONS1, 2 (AV
DD = DVDD = +3.0 V to +5.5 V, REFIN/REFOUT = 2.5 V
External Reference, fCLKIN = 4 MHz (for L Version: 1.8 MHz (0 C to +70 C) and 1 MHz (–40 C to +85 C)); fSAMPLE = 200 kHz (AD7859) 100 kHz
(AD7859L); SLEEP = Logic High; TA = TMIN to TMAX, unless otherwise noted.) Specifications in () apply to the AD7859L.
–2–
REV. A
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7859L 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADCs
AD7859LAS 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 12-bit Parallel 44-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:12-BIT 8 CH.PARALLEL 100 KSPS I.C. - Bulk 制造商:Analog Devices 功能描述:IC 12-BIT ADC
AD7859LAS3 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V to 5 V Single Supply, 200 kSPS8-Channel, 12-Bit Sampling ADCs
AD7859LAS-REEL 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 12-bit Parallel 44-Pin MQFP T/R
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