VREF (V) DNL ( L S B) 4 3 1 2 0 " />
參數(shù)資料
型號: AD7938BCPZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 4/36頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 8CH 1.5MSPS 32LFCSP
標準包裝: 1,500
位數(shù): 12
采樣率(每秒): 1.5M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 13.5mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 32-LFCSP-VQ
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 8 個單端,單極;4 個差分,單極;4 個偽差分,單極;7 偽差分,單極
配用: EVAL-AD7938CBZ-ND - EVAL BOARD FOR AD7938
AD7938/AD7939
Data Sheet
Rev. C | Page 12 of 36
VREF (V)
DNL
(
L
S
B)
4
3
1
2
0
–1
0.25
0.50
1.25
0.75
1.00
2.00
1.75
1.50
2.75
2.50
2.25
03715-
012
SINGLE-ENDED MODE
POSITIVE DNL
NEGATIVE DNL
Figure 10. AD7938 DNL vs. VREF for VDD = 3 V
VREF (V)
E
FFE
C
TIV
E
N
U
M
B
E
R
OF
B
ITS
12
11
10
8
9
7
6
0
0.5
1.5
1.0
2.5
2.0
4.0
3.5
3.0
03715-
013
VDD = 5V
DIFFERENTIAL MODE
VDD = 5V
SINGLE-ENDED MODE
VDD = 3V
SINGLE-ENDED MODE
VDD = 3V
DIFFERENTIAL MODE
Figure 11. AD7938 ENOB vs. VREF
VREF (V)
OFFS
E
T
(
LS
B
)
0
–0.5
–1.5
–1.0
–3.5
–3.0
–2.5
–2.0
–4.0
–4.5
–5.0
0
0.5
1.5
1.0
2.5
2.0
3.5
3.0
03715-
014
SINGLE-ENDED MODE
VDD = 5V
VDD = 3V
Figure 12. AD7938 Offset vs. VREF
CODE
???
10000
9000
7000
8000
3000
4000
5000
6000
2000
1000
0
2046
2047
2048
2049
2050
03715-
015
DIFFERENTIAL MODE
3 CODES
INTERNAL
REF
9997
CODES
Figure 13. AD7938 Histogram of Codes for
10k Samples @ VDD = 5 V with the Internal Reference
RIPPLE FREQUENCY (kHz)
CM
RR
(
d
B)
60
70
80
100
90
110
120
0
200
400
800
600
1200
1000
03715-
017
DIFFERENTIAL MODE
Figure 14. CMRR vs. Ripple Frequency with VDD = 5 V and 3 V
相關(guān)PDF資料
PDF描述
VE-B6M-MY CONVERTER MOD DC/DC 10V 50W
VE-23F-CU-F2 CONVERTER MOD DC/DC 72V 200W
VE-B6H-MY CONVERTER MOD DC/DC 52V 50W
LTC2381IDE-16#PBF IC ADC 16BIT 1CH 250KSPS 16-DFN
VE-23F-CU-F1 CONVERTER MOD DC/DC 72V 200W
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7938BSU 制造商:Analog Devices 功能描述:
AD7938BSU-6 制造商:Analog Devices 功能描述:ADC Single SAR 625ksps 12-bit Parallel 32-Pin TQFP
AD7938BSU-6REEL 制造商:AD 制造商全稱:Analog Devices 功能描述:8-Channel, 625 kSPS, 12-Bit Parallel ADCs with a Sequencer
AD7938BSU-6REEL7 制造商:Analog Devices 功能描述:ADC Single SAR 625ksps 12-bit Parallel 32-Pin TQFP T/R
AD7938BSUZ 功能描述:IC ADC 12BIT 8CHAN 32TQFP 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 標準包裝: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