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參數(shù)資料
型號: AD7723BSZ
廠商: Analog Devices Inc
文件頁數(shù): 27/32頁
文件大?。?/td> 0K
描述: IC ADC 16BIT SIGMA-DELTA 44MQFP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 16
采樣率(每秒): 1.2M
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
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
配用: EVAL-AD7723CBZ-ND - BOARD EVALUATION FOR AD7723
AD7723
Rev. C | Page 4 of 32
B Version
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
Low-Pass Decimate by 16
0 kHz to fCLKIN/41.75
±0.001
dB
fCLKIN/33.45
3
dB
fCLKIN/32
6
dB
fCLKIN/25.95 to fCLKIN/2
90
dB
Group Delay
541/2 fCLKIN
Settling Time
541/fCLKIN
Band-Pass Decimate by 32
fCLKIN/51.90 to fCLKIN/41.75
±0.001
dB
fCLKIN/62.95, fCLKIN/33.34
3
dB
fCLKIN/64, fCLKIN/32
6
dB
0 kHz to fCLKIN/83.5, fCLKIN/25.95 to fCLKIN/2
90
dB
Group Delay
1293/2 fCLKIN
Settling Time
1293/fCLKIN
Output Data Rate, FO
Decimate by 32
fCLKIN/32
Decimate by 166
fCLKIN/16
ANALOG INPUTS
Full-Scale Input Span
VIN(+) VIN()
Bipolar Mode
±4/5 × VREF2
V
Unipolar Mode
0
8/5 × VREF2
V
Absolute Input Voltage
VIN(+) VIN()
AGND
AVDD
V
Input Sampling Capacitance
2
pF
Input Sampling Rage, fCLKIN
19.2
MHz
CLOCK
CLKIN Duty Ratio
45
55
%
REFERENCE
REF1 Output Resistance
3
k
Using Internal Reference
REF2 Output Voltage
2.39
2.54
2.69
V
REF2 Output Voltage Drift
60
ppm/°C
Using External Reference
REF2 Input Impedance
REF1 = AGND
4
k
REF2 External Voltage Range
1.2
2.5
3.15
V
STATIC PERFORMANCE
Resolution
16
Bits
Differential Nonlinearity
Guaranteed monotonic
±0.5
±1
LSB
Integral Nonlinearity
±2
LSB
DC CMRR
80
dB
Offset Error
±20
mV
Gain Error5
±0.5
% FSR
LOGIC INPUTS (EXCLUDING CLKIN)
VINH, Input High Voltage
2.0
V
VINL, Input High Voltage
0.8
V
CLOCK INPUT (CLKIN)
VINH, Input High Voltage
3.8
V
VINL, Input High Voltage
0.4
V
ALL LOGIC INPUTS
IIN, Input Current
VIN = 0 V to DVDD
±10
A
CIN, Input Capacitance
10
pF
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