參數(shù)資料
型號(hào)： AD7821KR
廠商： ANALOG DEVICES INC
元件分類： ADC
英文描述： LC2MOS High Speed, mP-Compatible 8-Bit ADC with Track/Hold Function
中文描述： 1-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, PDSO20
封裝： MS-013AC, SOIC-20
文件頁數(shù)： 2/12頁
文件大?。?/td> 249K
代理商： AD7821KR
REV. A
–2–
AD7821–SPECIFICATIONS
V
REF
(–) = –2.5 V. These test conditions apply unless otherwse stated. All specifications T
MN
to T
MAX
unless otherwse noted. Specifications
apply for RD Mode (Pin 7 = 0 V).
V
DD
= +5 V
6
5%, GND = 0 V. Unipolar Input Range: V
SS
= GND V
REF
(+) = 5 V,
V
REF
(–) = GND. Bipolar Input Range: V
SS
= –5 V
6
5%, V
REF
(+) = 2.5 V,
Parameter
K Version
1
B, T Versions
Units
Comments
UNIPOLAR INPUT RANGE
Resolution
2
T otal Unadjusted Error
3
Minimum Resolution for which
No Missing Codes are Guaranteed
8
±
1
8
±
1
Bits
LSB max
8
8
Bits
BIPOLAR INPUT RANGE
Resolution
Zero Code Error
Full Scale Error
Signal-to-Noise Ratio (SNR)
3
T otal Harmonic Distortion (T HD)
3
Peak Harmonic or Spurious Noise
3
Intermodulation Distortion (IMD)
3
8
±
1
±
1
45
–50
–50
8
±
1
±
1
45
–50
–50
Bits
LSB max
LSB max
dB min
dB max
dB max
V
IN
= 99.85 kHz Full-Scale Sine Wave with f
SAMPLING
= 500 kHz
V
IN
= 99.85 kHz Full-Scale Sine Wave with f
SAMPLING
= 500 kHz
V
= 99.85 kHz Full-Scale Sine Wave with f
= 500 kHz
fa (84.72 kHz) and fb (94.97 kHz) Full-Scale Sine Waves
with f
= 500 kHz
Second Order T erms
T hird Order T erms
–50
–50
1.6
2.36
–50
–50
1.6
2.36
dB max
dB max
V/
μ
s max
V/
μ
s typ
Slew Rate, T racking
3
REFERENCE INPUT
Input Resistance
V
REF
(+) Input Voltage Range
V
REF
(–) Input Voltage Range
1.0/4.0
V
REF
(–)/V
DD
V
SS
/V
REF
(+)
1.0/4.0
V
REF
(–)/V
DD
V
SS
/V
REF
(+)
k
min/k
max
V min/V max
V min/V max
ANALOG INPUT
Input Voltage Range
Input Leakage Current
Input Capacitance
V
REF
(–)/V
REF
(+)
±
3
55
V
REF
(–)/V
REF
(+)
±
3
55
V min/ max
μ
A max
pF typ
–5 V
≤
V
IN
≤
+5 V
LOGIC INPUT S
CS
,
WR
,
RD
V
INH
V
INL
I
INH
(
CS
,
RD
)
I
INH
(
WR
)
I
Input Capacitance
4
MODE
V
INH
V
INL
I
INH
I
Input Capacitance
4
2.4
0.8
1
3
–1
8
2.4
0.8
1
3
–1
8
V min
V max
μ
A max
μ
A max
μ
A max
pF max
T ypically 5 pF
3.5
1.5
200
–1
8
3.5
1.5
200
–1
8
V min
V max
μ
A max
μ
A max
pF max
50
μ
A typ
T ypically 5 pF
LOGIC OUT PUT S
DB0–DB7,
OFL
,
INT
V
OH
V
OL
I
(DB0–DB7)
Output Capacitance
4
(DB0–DB7)
RDY
V
OL
I
Output Capacitance
4
4.0
0.4
±
3
8
4.0
0.4
±
3
8
V min
V max
μ
A max
pF max
I
SOURCE
= 360
μ
A
I
Floating State Leakage
T ypically 5 pF
0.4
±
3
8
0.4
±
3
8
V max
μ
A max
pF max
I
= 2.6 mA
Floating State Leakage
T ypically 5 pF
POWER SUPPLY
I
DD5
I
SS
Power Dissipation
Power Supply Sensitivity
15
100
50
±
1/4
20
100
50
±
1/4
mA max
μ
A max
mW typ
LSB max
CS
=
RD
= 0 V
CS
=
RD
= 0 V
±
1/16 LSB typ, V
DD
= 4.75 V to 5.25 V,
(V
REF
(+) = 4.75 V max for Unipolar Mode)
NOT ES
1
T emperature Ranges are as follows: K Version = –40
°
C to +85
°
C; B Version = –40
°
C to +85
°
C; T Version = –55
°
C to +125
°
C.
2
1 LSB = 19.53 mV for both the unipolar (0 V to +5 V) and bipolar (–2.5 V to +2.5 V) input ranges.
3
See T erminology.
4
Sample tested at +25
°
C to ensure compliance.
5
See T ypical Performance Characteristics.
Specifications subject to change without notice.
相關(guān)PDF資料
PDF描述
AD7821TE LC2MOS High Speed, mP-Compatible 8-Bit ADC with Track/Hold Function
AD7821TQ LC2MOS High Speed, mP-Compatible 8-Bit ADC with Track/Hold Function
AD7822 1-Channel Sampling ADCs(2MSPS,單通道采樣8位A/D轉(zhuǎn)換器)
AD7829 8-Channel Sampling ADCs(2MSPS,8通道采樣8位A/D轉(zhuǎn)換器)
AD7823 8-Bit ADC in 8-Lead microSOIC/DIP(8位A/D轉(zhuǎn)換器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7821KR-REEL 制造商:Analog Devices 功能描述:ADC Single Semiflash 1Msps 8-bit Parallel 20-Pin SOIC W T/R
AD7821KRZ 功能描述:IC ADC 8BIT HS TRACK/HOLD 20SOIC 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)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6
AD7821KRZ 制造商:Analog Devices 功能描述:IC, ADC, 8BIT, 1MHZ, SOIC-20
AD7821KRZ-REEL 功能描述:IC ADC 8BIT HS TRACK/HOLD 20SOIC 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(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個(gè)單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6
AD7821TE 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS High Speed, mP-Compatible 8-Bit ADC with Track/Hold Function
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購

我的聯(lián)系方式

*
*
*