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參數資料
| 型號： | ADS821E |
| 英文描述： | 10-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 10位，40MHz的采樣模擬數字轉換器 |
| 文件頁數： | 3/18頁 |
| 文件大?。?/td> | 384K |
| 代理商： | ADS821E |
www.ti.com
ADS821
SBAS040B
3
DYNAMIC CHARACTERISTICS (Cont.)
2-Tone Intermodulation Distortion (IMD)
(4)
f = 4.4MHz and 4.5MHz (
–
7dBFS each tone)
+25
°
C
Full
–
61
–
60
dBc
dBc
Signal-to-Noise Ratio (SNR)
f = 500kHz (
–
1dBFS input)
+25
°
C
Full
+25
°
C
Full
57
55
56
54
59
59
58
58
dB
dB
dB
dB
f = 12MHz (
–
1dBFS input)
Signal-to-(Noise + Distortion) (SINAD)
f = 500kHz (
–
1dBFS input)
+25
°
C
Full
+25
°
C
Full
+25
°
C
56
52
53
50
58.5
58
57
56
0.5
dB
dB
dB
dB
%
f = 12MHz (
–
1dBFS input)
Differential Gain Error
Differential Phase Error
Degrees
Effective Bits
(5)
Aperture Delay Time
Aperture Jitter
ps rms
Over-Voltage Recovery Time
(6)
NTSC or PAL
NTSC or PAL
+25
°
C
0.1
f
IN
= 3.58MHz
+25
°
C
+25
°
C
9.3
2
Bits
ns
+25
°
C
7
1.5x Full-Scale Input
+25
°
C
2
ns
OUTPUTS
Logic Family
Logic Coding
Logic Levels
Logic Selectable
Logic LOW,
C
= 15pF max
Logic HIGH,
C
L
= 15pF max
Full
0
0.4
V
Full
+2.5
+V
S
V
3-State Enable Time
3-State Disable Time
20
2
40
10
ns
ns
Full
POWER-SUPPLY REQUIREMENTS
Supply Voltage: +V
S
Supply Current: +I
S
Operating
Operating
Operating
Operating
Operating
Full
+25
°
C
Full
+25
°
C
Full
+4.75
+5
76
78
380
390
+5.25
88
90
440
450
75
V
mA
mA
mW
mW
°
C/W
Power Consumption
Thermal Resistance,
θ
JA
ELECTRICAL CHARACTERISTICS
(Cont.)
At T
A
= +25
°
C, V
S
= +5V, Sampling Rate = 40MHz, and with a 50% duty cycle clock having a 2ns rise-and-fall time, unless otherwise noted.
NOTES: (1) dBFS refers to dB below Full Scale. (2) Percentage accuracies are referred to the internal A/D converter Full-Scale Range of 4Vp-p. (3) Refer to Timing
Diagram footnotes for the differential linearity performance conditions for the SO and SSOP packages. (4) IMD is referred to the larger of the two input signals.
If referred to the peak envelope signal (
≈
0dB), the intermodulation products will be 7dB lower. (5) Based on (SINAD
–
1.76)/6.02. (6) No
“
rollover
”
of bits.
ADS821U
PARAMETER
CONDITIONS
TEMP
MIN
TYP
MAX
UNITS
TTL/HCT Compatible CMOS
SOB or BTC
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADS821E/1K | 制造商:BB 制造商全稱:BB 功能描述:10-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS821U | 功能描述:模數轉換器 - ADC 10-Bit 40 MSPS SE/ Diff Input RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS821U | 制造商:Texas Instruments 功能描述:10 bit sampling analog/digital converter |
| ADS821U | 制造商:Texas Instruments 功能描述:IC 10BIT ADC 40SPS 28-SOIC |
| ADS821U-1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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