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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉锛� | AD7829BRW-1 |
| 寤犲晢锛� | Analog Devices Inc |
| 鏂囦欢闋佹暩(sh霉)锛� | 14/20闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC ADC 8BIT 8CH 2MSPS 28-SOIC |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 27 |
| 浣嶆暩(sh霉)锛� | 8 |
| 閲囨ǎ鐜囷紙姣忕锛夛細 | 2M |
| 鏁�(sh霉)鎿�(j霉)鎺ュ彛锛� | 骞惰伅(li谩n) |
| 杞�(zhu菐n)鎻涘櫒鏁�(sh霉)鐩細 | 1 |
| 鍔熺巼鑰楁暎锛堟渶澶э級锛� | 36mW |
| 闆诲闆绘簮锛� | 鍠浕婧� |
| 宸ヤ綔婧害锛� | -40°C ~ 85°C |
| 瀹夎椤炲瀷锛� | 琛ㄩ潰璨艰 |
| 灏佽/澶栨锛� | 28-SOIC锛�0.295"锛�7.50mm 瀵級 |
| 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 | 28-SOIC W |
| 鍖呰锛� | 绠′欢 |
| 杓稿叆鏁�(sh霉)鐩拰椤炲瀷锛� | 8 鍊嬪柈绔�锛屽柈妤� |
绗�1闋�绗�2闋�绗�3闋�绗�4闋�绗�5闋�绗�6闋�绗�7闋�绗�8闋�绗�9闋�绗�10闋�绗�11闋�绗�12闋�绗�13闋�鐣�(d膩ng)鍓嶇14闋�绗�15闋�绗�16闋�绗�17闋�绗�18闋�绗�19闋�绗�20闋�
AD7829-1
Rev. 0 | Page 3 of 20
SPECIFICATIONS
VDD = 3 V 卤 10%, VDD = 5 V 卤 10%, GND = 0 V, VREF IN/OUT = 2.5 V. All specifications 40掳C to +85掳C, unless otherwise noted.
Table 1.
Parameter
Version B
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 30 kHz, fSAMPLE = 2 MHz
48
dB min
55
dB max
Peak Harmonic or Spurious Noise1
55
dB max
fa = 27.3 kHz, fb = 28.3 kHz
2nd Order Terms
65
dB typ
3rd Order Terms
65
dB typ
Channel-to-Channel Isolation1
70
dB typ
fIN = 20 kHz
DC ACCURACY
Resolution
8
Bits
Minimum Resolution for Which
No Missing Codes Are Guaranteed
8
Bits
卤0.75
LSB max
卤0.75
LSB max
Gain Error1
卤2
LSB max
Gain Error Match1
卤0.1
LSB typ
卤1
LSB max
Offset Error Match1
卤0.1
LSB typ
See Analog Input section
VDD = 5 V 卤 10%
Input voltage span = 2.5 V
VIN1 to VIN8 Input Voltage
VDD
V max
0
V min
VMID Input Voltage
VDD 1.25
V max
Default VMID = 1.25 V
1.25
V min
VDD = 3 V 卤 10%
Input voltage span = 2 V
VIN1 to VIN8 Input Voltage
VDD
V max
0
V min
VMID Input Voltage
VDD 1
V max
Default VMID = 1 V
1
V min
VIN Input Leakage Current
卤1
渭A max
VIN Input Capacitance
15
pF max
VMID Input Impedance
6
k惟 typ
REFERENCE INPUT
VREF IN/OUT Input Voltage Range
2.55
V max
2.5 V + 2%
2.45
V min
2.5 V 2%
Input Current
1
渭A typ
100
渭A max
ON-CHIP REFERENCE
Nominal 2.5 V
Reference Error
卤50
mV max
Temperature Coefficient
50
ppm/掳C typ
LOGIC INPUTS
Input High Voltage, VINH
2.4
V min
VDD = 5 V 卤 10%
Input Low Voltage, VINL
0.8
V max
VDD = 5 V 卤 10%
Input High Voltage, VINH
2
V min
VDD = 3 V 卤 10%
Input Low Voltage, VINL
0.4
V max
VDD = 3 V 卤 10%
Input Current, IIN
卤1
渭A max
Typically 10 nA, VIN = 0 V to VDD
Input Capacitance, CIN
10
pF max
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