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參數(shù)資料
| 型號(hào)： | AD7858AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC |
| 中文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 |
| 封裝： | SOIC-24 |
| 文件頁(yè)數(shù)： | 3/32頁(yè) |
| 文件大小： | 315K |
| 代理商： | AD7858AR |
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Parameter
A Version
1
B Version
1
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
AV
DD,
DV
DD
I
DD
Normal Mode
5
+3.0/+5.5
+3.0/+5.5
V min/max
6 (1.9)
5.5 (1.9)
6 (1.9)
5.5 (1.9)
mA max
mA max
AV
DD
= DV
DD
= 4.5 V to 5.5 V. Typically 4.5 mA (1.5)
AV
DD
= DV
DD
= 3.0 V to 3.6 V. Typically 4.0 mA (1.5 mA)
Sleep Mode
6
With External Clock On
10
10
μ
A typ
Full Power-Down. Power Management Bits in Control
Register Set as PMGT1 = 1, PMGT0 = 0
Partial Power-Down. Power Management Bits in
Control Register Set as PMGT1 = 1, PMGT0 = 1
Typically 1
μ
A. Full Power-Down. Power Management Bits
in Control
Register Set as PMGT1 = 1, PMGT0 = 0
Partial Power-Down. Power Management Bits in Control
Register Set as PMGT1 = 1, PMGT0 = 1
V
DD
= 5.5 V. Typically 25 mW (8);
SLEEP
= V
DD
V
DD
= 3.6 V. Typically 15 mW (5.4);
SLEEP
= V
DD
400
400
μ
A typ
With External Clock Off
5
5
μ
A max
200
200
μ
A typ
Normal-Mode Power Dissipation
33 (10.5)
20 (6.85)
33 (10.5)
20 (6.85)
mW max
mW max
Sleep Mode Power Dissipation
With External Clock On
55
36
27.5
18
55
36
27.5
18
μ
W typ
μ
W typ
μ
W max
μ
W max
V
DD
= 5.5 V.
SLEEP
= 0 V
V
DD
= 3.6 V.
SLEEP
= 0 V
V
DD
= 5.5 V. Typically 5.5
μ
W;
SLEEP
= 0 V
V
DD
= 3.6 V. Typically 3.6
μ
W;
SLEEP
= 0 V
With External Clock Off
SYSTEM CALIBRATION
Offset Calibration Span
7
Gain Calibration Span
7
+0.05
×
V
REF
/–0.05
×
V
REF
+1.025
×
V
REF
/–0.975
×
V
REF
V max/min
V max/min
Allowable Offset Voltage Span for Calibration
Allowable Full-Scale Voltage Span for Calibration
NOTES
1
Temperature ranges as follows: A, B Versions: –40
°
C to +85
°
C. For L Versions, A and B Versions f
CLKIN
= 1 MHz over –40
°
C to +85
°
C temperature range,
B Version f
= 1.8 MHz over 0
°
C to +70
°
C temperature range.
2
Specifications apply after calibration.
3
SNR calculation includes distortion and noise components.
4
Sample tested @ +25
°
C to ensure compliance.
5
All digital inputs @ DGND except for
CONVST
,
SLEEP
,
CAL
, and
SYNC
@ DV
. No load on the digital outputs. Analog inputs @ AGND.
6
CLKIN @ DGND when external clock off. All digital inputs @ DGND except for
CONVST
,
SLEEP
,
CAL
, and
SYNC
@ DV
DD
. No load on the digital
outputs. Analog inputs @ AGND.
7
The Offset and Gain Calibration Spans are defined as the range of offset and gain errors that the AD7858/AD7858L can calibrate. Note also that these are voltage
spans and are not absolute voltages ( i.e., the allowable system offset voltage presented at AIN(+) for the system offset error to be adjusted out will be AIN(–)
±
0.05
×
V
, and the allowable system full-scale voltage applied between AIN(+) and AIN(–) for the system full-scale voltage error to be adjusted out will be
V
REF
±
0.025
×
V
REF
). This is explained in more detail in the Calibration section of the data sheet.
Specifications subject to change without notice.
AD7858/AD7858L
REV. B
–3–
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7858LAN | 3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC |
| AD7858LAR | 3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC |
| AD7858LBN | 3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC |
| AD7858LBR | 3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC |
| AD7858L* | 3 V to 5 V Single Supply. 200 kSPS 8-Channel. 12-Bit Sampling ADC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7858AR-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 12-bit Serial 24-Pin SOIC W T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 200KSPS 12-BIT SERL 24SOIC W - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:SELF CAL.SERIAL 8CH. 12-BIT ADC I.C. - Tape and Reel |
| AD7858ARZ | 功能描述:IC ADC 12BIT 8CH SRL 24-SOIC 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(biāo)準(zhǔn)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(gè)單端，單極；2 個(gè)差分，單極 產(chǎn)品目錄頁(yè)面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
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| AD7858BN | 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC |
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