AD7720–SPECIFICATIONS1 (AVDD = +5 V 5%; DVDD = +5 V 5%; AGND = DGND = 0 V, " />
參數(shù)資料
型號: AD7720BRUZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 9/16頁
文件大小: 0K
描述: IC MODULATOR SIGMA-DELTA 28TSSOP
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 16
采樣率(每秒): 12.5M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 215mW
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: 28-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 28-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個差分,單極;1 個差分,雙極
–2–
REV. 0
AD7720–SPECIFICATIONS1
(AVDD = +5 V
5%; DVDD = +5 V
5%; AGND = DGND = 0 V, fMCLK = 12.5 MHz,
REF2 = +2.5 V; TA = TMIN to TMIN, unless otherwise noted)
Parameter
B Version
Units
Test Conditions/Comments
STATIC PERFORMANCE
When Tested with Ideal FIR Filter as in Figure 1
Resolution
16
Bits
Differential Nonlinearity
±1
LSB max
Guaranteed Monotonic
Integral Nonlinearity
±2
LSB typ
Precalibration Offset Error
±6
mV typ
Precalibration Gain Error
2
±0.6
% FSR typ
Postcalibration Offset Error
3
±1.5
mV typ
Postcalibration Gain Error
2, 3
±0.3
% FSR typ
Offset Error Drift
±1
LSB/
°C typ
Gain Error Drift
REF2 Is an Ideal Reference, REF1 = AGND
Unipolar Mode
±1
LSB/
°C typ
Bipolar Mode
±0.5
LSB/
°C typ
ANALOG INPUTS
Signal Input Span (VIN(+) – VIN(–))
Bipolar Mode
±V
REF2/2
V max
BIP = VIH
Unipolar Mode
0 to VREF2
V max
BIP = VIL
Maximum Input Voltage
AVDD
V
Minimum Input Voltage
0
V
Input Sampling Capacitance
2
pF typ
Input Sampling Rate
2 fMCLK
MHz
Differential Input Impedance
10
9/(8 f
MCLK)k
typ
REFERENCE INPUTS
REF1 Output Voltage
2.32 to 2.62
V min/max
REF1 Output Voltage Drift
60
ppm/
°C typ
REF1 Output Impedance
3
k
typ
Reference Buffer Offset Voltage
±12
mV max
Offset Between REF1 and REF2
Using Internal Reference
REF2 Output Voltage
2.32 to 2.62
V min/max
REF2 Output Voltage Drift
60
ppm/
°C typ
Using External Reference
REF1 = AGND
REF2 Input Impedance
10
9/(16 f
MCLK)k
typ
External Reference Voltage Range
2.32 to 2.62
V min/max
Applied to REF1 or REF2
DYNAMIC SPECIFICATIONS
4
When Tested with Ideal FIR Filter as in Figure 1
Bipolar Mode
BIP = VIH, 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)
5
90
dB typ
Input BW = 0 kHz–90.625 kHz
86/84.5
dB min
Total Harmonic Distortion
5
–90/–88
dB max
Input BW = 0 kHz–90.625 kHz
Spurious Free Dynamic Range
–90
dB max
Input BW = 0 kHz–90.625 kHz
Unipolar Mode
BIP = VIL, VIN(–) = 0 V, VIN(+) = 0 V to 2.5 V
Signal to (Noise + Distortion)
5
88
dB typ
Input BW = 0 kHz–90.625 kHz
84.5/83
dB min
Total Harmonic Distortion
5
–89/–87
dB max
Input BW = 0 kHz–97.65 kHz
Spurious Free Dynamic Range
–90
dB max
Input BW = 0 kHz–97.65 kHz
Intermodulation Distortion
–93
dB typ
AC CMRR
96
dB typ
VIN(+) = VIN(–) = 2.5 V p-p, VCM = 1.25 V to
3.75 V, 20 kHz
Overall Digital Filter Response
See Figure 1 for Characteristics of FIR Filter
0 kHz–90.625 kHz
±0.005
dB max
96.92 kHz
–3
dB min
104.6875 kHz to 12.395 MHz
90
dB typ
CLOCK
MCLK Duty Ratio
45 to 55
% max
For Specified Operation
VMCLKH, MCLK High Voltage
4
V min
MCLK Uses CMOS Logic
VMCLKL, MCLK Low Voltage
0.4
V max
相關(guān)PDF資料
PDF描述
SA575DG IC COMPANDOR 2CHAN GAIN 20-SOIC
AD9221ARS-REEL IC ADC 12BIT 1.5MSPS 28-SSOP
MS27473T20A16PA CONN PLUG 16POS STRAIGHT W/PINS
EN3C15M26SX CONN PLUG 15POS MALE CORD #26
MS27474T12B22S CONN RCPT 22POS JAM NUT W/SCKT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7720BRUZ-REEL7 功能描述:IC MODULATOR SIGMA-DELTA 28TSSOP RoHS:是 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:1,000 系列:- 位數(shù):12 采樣率(每秒):300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散(最大):75mW 電壓電源:單電源 工作溫度:0°C ~ 70°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 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端,單極;1 個單端,雙極
AD7721 制造商:AD 制造商全稱:Analog Devices 功能描述:CMOS 16-Bit, 468.75 kHz, Sigma-Delta ADC
AD7721AN 制造商:Analog Devices 功能描述:ADC Single Delta-Sigma 468.75ksps 16-bit Parallel/Serial 28-Pin PDIP W
AD7721ANZ 制造商:Analog Devices 功能描述:ADC Single Delta-Sigma 468.75ksps 16-bit Parallel/Serial 28-Pin PDIP W
AD7721AR 功能描述:IC ADC 16BIT SIGMA-DELTA 28-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:1,000 系列:- 位數(shù):12 采樣率(每秒):300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散(最大):75mW 電壓電源:單電源 工作溫度:0°C ~ 70°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 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端,單極;1 個單端,雙極