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參數資料
| 型號： | AD7825BR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 3 V/5 V, 2 MSPS, 8-Bit, 1-, 4-, 8-Channel Sampling ADCs |
| 中文描述： | 4-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, PDSO24 |
| 封裝： | MS-013AD, SOIC-24 |
| 文件頁數： | 2/18頁 |
| 文件大小： | 215K |
| 代理商： | AD7825BR |
–2–
REV. A
AD7822/AD7825/AD7829–SPECIFICATIONS
V
REF IN/OUT
= 2.5 V. All specifications –40
8
C to +85
8
C unless otherwise noted.)
Parameter
Version B
Unit
Test Condition/Comment
DYNAMIC PERFORMANCE
Signal to (Noise + Distortion) Ratio
1
Total Harmonic Distortion
1
Peak Harmonic or Spurious Noise
1
Intermodulation Distortion
1
2nd Order Terms
3rd Order Terms
Channel-to-Channel Isolation
1
DC ACCURACY
Resolution
Minimum Resolution for Which
No Missing Codes Are Guaranteed
Integral Nonlinearity (INL)
1
Differential Nonlinearity (DNL)
1
Gain Error
1
Gain Error Match
1
Offset Error
1
Offset Error Match
1
ANALOG INPUTS
2
V
DD
= 5 V
±
10%
V
IN1
to V
IN8
Input Voltage
f
IN
= 30 kHz. f
SAMPLE
= 2 MHz
48
–55
–55
dB min
dB max
dB max
fa = 27.3 kHz, fb = 28.3 kHz
–65
–65
–70
dB typ
dB typ
dB typ
f
IN
= 20 kHz
8
Bits
8
±
0.75
±
0.75
±
2
±
0.1
±
1
±
0.1
Bits
LSB max
LSB max
LSB max
LSB typ
LSB max
LSB typ
See Analog Input Section
Input Voltage Span = 2.5 V
V
DD
0
V
DD
– 1.25
1.25
V max
V min
V max
V min
V
MID
Input Voltage
Default V
MID
= 1.25 V
V
DD
= 3 V
±
10%
V
IN1
to V
IN8
Input Voltage
Input Voltage Span = 2 V
V
DD
0
V
DD
– 1
1
±
1
15
6
V max
V min
V max
V min
μ
A max
pF max
k
typ
V
MID
Input Voltage
Default V
MID
= 1 V
V
IN
Input Leakage Current
V
IN
Input Capacitance
V
MID
Input Impedance
REFERENCE INPUT
V
REF IN
/
OUT
Input Voltage Range
2.55
2.45
1
100
V max
V min
μ
A typ
μ
A max
2.5 V + 2%
2.5 V – 2%
Input Current
ON-CHIP REFERENCE
Reference Error
Temperature Coefficient
LOGIC INPUTS
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN
LOGIC OUTPUTS
Output High Voltage, V
OH
Nominal 2.5 V
±
50
50
mV max
ppm/
°
C typ
2.4
0.8
2
0.4
±
1
10
V min
V max
V min
V max
μ
A max
pF max
V
DD
= 5 V
±
10%
V
DD
= 5 V
±
10%
V
DD
= 3 V
±
10%
V
DD
= 3 V
±
10%
Typically 10 nA, V
IN
= 0 V to V
DD
I
SOURCE
= 200
μ
A
V
DD
= 5 V
±
10%
V
DD
= 3 V
±
10%
I
SINK
= 200
μ
A
V
DD
= 5 V
±
10%
V
DD
= 3 V
±
10%
4
2.4
V min
V min
Output Low Voltage, V
OL
0.4
0.2
±
1
10
V max
V max
μ
A max
pF max
High Impedance Leakage Current
High Impedance Capacitance
(V
DD
= 3 V
6
10%, V
DD
= 5 V
6
10%, GND = 0 V,
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相關代理商/技術參數 |
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|---|---|
| AD7825BR-REEL | 制造商:Analog Devices 功能描述:ADC Single Semiflash 2Msps 8-bit Parallel 24-Pin SOIC W T/R |
| AD7825BR-REEL7 | 制造商:Analog Devices 功能描述:ADC Single Semiflash 2Msps 8-bit Parallel 24-Pin SOIC W T/R |
| AD7825BRU | 制造商:Analog Devices 功能描述:ADC Single Semiflash 2Msps 8-bit Parallel 24-Pin TSSOP 制造商:Analog Devices 功能描述:IC 8-BIT ADC |
| AD7825BRU-REEL | 制造商:Analog Devices 功能描述:ADC Single Semiflash 2Msps 8-bit Parallel 24-Pin TSSOP T/R |
| AD7825BRU-REEL7 | 制造商:Analog Devices 功能描述:ADC Single Semiflash 2Msps 8-bit Parallel 24-Pin TSSOP T/R |
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