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參數(shù)資料
| 型號： | AD7722ASZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 12/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 16BIT 195KSPS 44-MQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 220k |
| 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）： | 375mW |
| 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： | 1 個差分，單極；1 個差分，雙極 |
REV. B
–2–
AD7722–SPECIFICATIONS1 (AV
DD = AVDD1 = 5 V
5%; DVDD = 5 V
5%; AGND = AGND1 = DGND = 0 V;
UNI = Logic Low or High; f
CLKIN = 12.5 MHz; fS = 195.3 kSPS; REF2 = 2.5 V; TA = TMIN to TMAX, unless otherwise noted.)
A Version
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
DYNAMIC SPECIFICATIONS
2
Bipolar Mode,
UNI = V
INH
VCM = 2.5 V, VIN(+) = VIN(–) =1.25 V p-p,
or VIN(–) = 1.25 V, VIN(+) = 0 V to 2.5 V
Signal-to-(Noise + Distortion)
3
Input Bandwidth 0 kHz–90.625 kHz
86/84.5
90
dB
Input Bandwidth 0 kHz–100 kHz, fCLKIN = 14 MHz
84.5/83
dB
Total Harmonic Distortion
3
Input Bandwidth 0 kHz–90.625 kHz
–90/–88
dB
Input Bandwidth 0 kHz–100 kHz, fCLKIN = 14 MHz
–88/–86
dB
Spurious-Free Dynamic Range
Input Bandwidth 0 kHz–90.625 kHz
–90
dB
Input Bandwidth 0 kHz–100 kHz, fCLKIN = 14 MHz
–88
dB
Unipolar Mode,
UNI = V
INL
VIN(–) = 0 V, VIN(+) = 0 V to 2.5 V
Signal-to-(Noise + Distortion)
3
Input Bandwidth 0 kHz–90.625 kHz
84.5/83
88
dB
Total Harmonic Distortion
3
Input Bandwidth 0 kHz–97.65 kHz
–89/–87
dB
Spurious-Free Dynamic Range
Input Bandwidth 0 kHz–97.65 kHz
–90
dB
Intermodulation Distortion
–93
dB
AC CMRR
VIN(+) = VIN(–) = 2.5 V p-p
VCM = 1.25 V to 3.75 V, 20 kHz
96
dB
Digital Filter Response
Pass-Band Ripple
0 kHz to 90.625 kHz
±0.005
dB
Cutoff Frequency
96.92
kHz
Stop-Band Attenuation
104.6875 kHz to 12.395 MHz
90
dB
ANALOG INPUTS
Full-Scale Input Span
VIN(+) – VIN(–)
Bipolar Mode
UNI = V
INH
–VREF2/2
+VREF2/2
V
Unipolar Mode
UNI = V
INL
0VREF2
V
Absolute Input Voltage
VIN(+) and VIN(–)0
AVDD
V
Input Sampling Capacitance
2pF
Input Sampling Rate
Guaranteed by Design
2
× f
CLKIN
Hz
Differential Input Impedance
1/(4
× 10-9)f
CLKIN
k
CLOCK
CLKIN Mark Space Ratio
45
55
%
REFERENCE
REF1 Output Voltage
2.32
2.47
2.62
V
REF1 Output Voltage Drift
60
ppm/
°C
REF1 Output Impedance
3k
Reference Buffer
Offset Voltage
Offset between REF1 and REF2
±12
mV
Using Internal Reference
REF2 Output Voltage
2.32
2.47
2.62
V
REF2 Output Voltage Drift
60
ppm/
°C
Using External Reference
REF2 Input Impedance
REF1 = AGND
1/(16
× 109)f
CLKIN
k
External Reference Voltage Range
Applied to REF1 or REF2
2.32
2.5
2.62
V
STATIC PERFORMANCE
Resolution
16
Bits
Differential Nonlinearity
Guaranteed Monotonic
±0.5
±1LSB
Integral Nonlinearity
±2LSB
After Calibration
Offset Error
4
±3mV
Gain Error
4, 5
±0.6
% FSR
Without Calibration
Offset Error
±6mV
Gain Error
5
±0.6
% FSR
Offset Error Drift
±1
LSB/
°C
Gain Error Drift
REF2 Is an Ideal Reference, REF1 = AGND
Unipolar Mode
±1
LSB/
°C
Bipolar Mode
±0.5
LSB/
°C
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| AD7723BSZ | 功能描述:IC ADC 16BIT SIGMA-DELTA 44MQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 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:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個單端，單極；2 個差分，單極 產(chǎn)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
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