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參數(shù)資料
型號(hào): AD7678ACPZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 23/28頁(yè)
文件大?。?/td> 0K
描述: IC ADC 18BIT SAR W/BUFF 48LFCSP
標(biāo)準(zhǔn)包裝: 1
系列: PulSAR®
位數(shù): 18
采樣率(每秒): 100k
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): 26mW
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-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 48-LFCSP-VQ(7x7)
包裝: 托盤
輸入數(shù)目和類型: 1 個(gè)差分,雙極
配用: EVAL-AD7678CB-ND - BOARD EVALUATION FOR AD7678
AD7678
Rev. A | Page 4 of 28
Parameter
Conditions
Min
Typ
Max
Unit
DIGITAL INPUTS
Logic Levels
VIL
–0.3
+0.8
V
VIH
2.0
DVDD + 0.3
V
IIL
–1
+1
μA
IIH
–1
+1
μA
DIGITAL OUTPUTS
Data Format5
Pipeline Delay6
VOL
ISINK = 1.6 mA
0.4
V
VOH
ISOURCE = –500 μA
OVDD – 0.6
V
POWER SUPPLIES
Specified Performance
AVDD
4.75
5
5.25
V
DVDD
4.75
5
5.25
V
OVDD
2.7
DVDD + 0.37
V
Operating Current
100 kSPS Throughput
AVDD
PDBUF High
2.6
mA
1
mA
40
μA
PDBUF High @ 100 kSPS
18
26
mW
PDBUF High @ 1 kSPS
180
μW
PDBUF Low @ 100 kSPS
31
mW
TEMPERATURE RANGE9
Specified Performance
TMIN to TMAX
–40
+85
°C
2 LSB means Least Significant Bit. With the ±4.096 V input range, 1 LSB is 31.25 μV.
3 See the Definition of Specifications section. The nominal gain error is not centered at zero and is 0.029% of FSR. This specification is the deviation from this nominal
value. These specifications do not include the error contribution from the external reference, but do include the error contribution from the reference buffer if used.
4 All specifications in dB are referred to a full-scale input, FS. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
5 Data format parallel or serial 18-bit.
6 Conversion results are available immediately after completed conversion.
7 The maximum should be the minimum of 5.25 V and DVDD + 0.3 V.
8 Tested in Parallel Reading mode.
9 Contact factory for extended temperature range.
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