VREF (V) DN L ( L S B) 6 5 4 3 1 2 0 " />
參數(shù)資料
型號: AD7938BCPZ-6REEL7
廠商: Analog Devices Inc
文件頁數(shù): 2/32頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 8CH 625KSPS 32LFCSP
標準包裝: 1,500
位數(shù): 12
采樣率(每秒): 625k
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 7.5mW
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
AD7938-6
Data Sheet
Rev. C | Page 10 of 32
VREF (V)
DN
L
(
L
S
B)
6
5
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
04
75
1-
0
12
CODE
??
?
10000
9000
7000
8000
3000
4000
5000
6000
2000
1000
0
2046
2047
2048
2049
2050
04
75
1-
01
5
9997
CODES
INTERNAL
REF
DIFFERENTIAL MODE
SINGLE-ENDED MODE
POSITIVE DNL
3 CODES
NEGATIVE DNL
Figure 9. AD7938-6 DNL vs. VREF for VDD = 3 V
V
(V)
E
F
E
CT
IV
E
NU
M
B
E
R
O
F
BI
T
S
12
11
10
8
9
7
6
00.5
1.5
1.0
2.5
2.0
4.0
3.5
3.0
04
75
1-
0
13
REF
VDD = 5V
DIFFERENTIAL MODE
VDD = 5V
SINGLE-ENDED MODE
VDD = 3V
SINGLE-ENDED MODE
VDD = 3V
DIFFERENTIAL MODE
Figure 10. AD7938-6 ENOB vs. VREF
VREF (V)
–4.5
–5.0
00.5
1.5
1.0
2.5
2.0
3.5
3.0
04
75
1-
0
14
O
F
S
ET
(
L
SB
)
0
–0.5
–1.5
–1.0
–3.5
–3.0
–2.5
–2.0
–4.0
SINGLE-ENDED MODE
VDD = 5V
VDD = 3V
Figure 11. AD7938-6 Offset vs. VREF
Figure 12. AD7938-6 Histogram of Codes for
10,000 Samples @ VDD = 5 V with Internal Reference
RIPPLE FREQUENCY (kHz)
CM
RR
(
d
B
)
60
70
80
100
90
110
120
0
200
400
800
600
1200
1000
04
75
1-
01
7
DIFFERENTIAL MODE
Figure 13. CMRR vs. Input Frequency with VDD = 5 V and 3 V
相關(guān)PDF資料
PDF描述
LTC2355CMSE-12#TRPBF IC ADC 12BIT 3.5MSPS 10-MSOP
LTC2356CMSE-12#TRPBF IC ADC 12BIT 3.5MSPS 10-MSOP
AD7887BR-REEL7 IC ADC 12BIT 2CH SRL 8-SOIC
MS27497T18A32P CONN RCPT 32POS WALL MNT W/PINS
AD7887BR-REEL IC ADC 12BIT 2CH SRL 8-SOIC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7938BCPZ-REEL7 功能描述:IC ADC 12BIT 8CH 1.5MSPS 32LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標準包裝: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
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