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參數(shù)資料
| 型號： | AD7899BR-1 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14BIT 400KSPS 5V 28-SOIC |
| 標(biāo)準(zhǔn)包裝： | 27 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 400k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 125mW |
| 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： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SOIC W |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個差分，雙極 |
| 配用： | EVAL-AD7899CBZ-ND - BOARD EVAL FOR AD7899 |
REV. A
–2–
AD7899–SPECIFICATIONS
(VDD = 5 V
5%, AGND = DGND = 0 V, VREF = Internal. Clock = Internal, all specifications
TMIN to TMAX and valid for VDRIVE = 3 V
5% and 5 V
5% unless otherwise noted.)
ABS
Parameter
Version
1
Version
1
Version
1
Unit
Test Conditions/Comments
SAMPLE AND HOLD
–0.1 dB Full Power Bandwidth
500
kHz typ
–3 dB Full Power Bandwidth
4.5
MHz typ
Aperture Delay
20
ns max
Aperture Jitter
25
ps typ
DYNAMIC PERFORMANCE
2
fIN = 100 kHz, fS = 400 kSPS
AD7899-1
Signal to (Noise + Distortion)
Ratio
3 @ 25 C
78
dB min
TMIN to TMAX
78
77
dB min
Total Harmonic Distortion
3
–84
–82
dB max
Peak Harmonic or Spurious Noise
3
–86
–85
dB max
AD7899-2
Signal to (Noise + Distortion)
Ratio
3 @ 25 C
78
dB min
TMIN to TMAX
77
dB min
Total Harmonic Distortion
3
–82
dB max
Peak Harmonic or Spurious Noise
3
–82
dB max
AD7899-3
Signal to (Noise + Distortion)
Ratio
3 @ 25 C
78
dB min
TMIN to TMAX
77
dB min
Total Harmonic Distortion
3
–84
dB max
Peak Harmonic or Spurious Noise
3
–86
dB max
Intermodulation Distortion
3
fa = 49 kHz, fb = 50 kHz
2nd Order Terms
–89
dB typ
3rd Order Terms
–89
dB typ
DC ACCURACY
Resolution
14
Bits
Relative Accuracy (INL)
3
± 2
±1.5
±2
LSB max
Differential Nonlinearity (DNL)
3
± 1
±1
LSB max
No Missing Codes Guaranteed
AD7899-1
Input Voltage Range
±5, ±10
Volts
Input Current
0.8, 0.8
mA max
VIN = –5 V and –10 V Respectively
Positive Gain Error
3
±10
± 8
±12
LSB max
Negative Gain Error
3
±10
± 8
±12
LSB max
Bipolar Zero Error
±12
± 8
±12
LSB max
AD7899-2
Input Voltage Range
0 to 2.5
Volts
0 to 5
Input Current
0.4, 800
A max
VIN = 2.5 V, VIN = 5 V
Positive Gain Error
3
±14
LSB max
Offset Error
3
±10
LSB max
AD7899-3
Input Voltage Range
±2.5
Volts
Input Current
0.8
mA max
VIN = –2.5 V
Positive Gain Error
3
±14
±12
LSB max
Negative Gain Error
3
±14
±12
LSB max
Bipolar Zero Error
±14
±12
LSB max
REFERENCE INPUT/OUTPUT
VREF IN Input Voltage Range
2.375/2.625
VMIN/VMAX
2.5 V
± 5%
VREF IN Input Capacitance
4
10
pF max
VREF OUT Output Voltage
2.5
V nom
VREF OUT Error @ 25 C
±10
mV max
VREF OUT Error TMIN to TMAX
±20
±25
mV max
VREF OUT Temperature Coefficient
25
ppm/ C typ
VREF OUT Output Impedance
6
k
typ
See Reference Section
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