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参数资料
| 型号： | AD7865ASZ-3 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 12/19页 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT 4CHAN 5V 44MQFP |
| 标准包装： | 1 |
| 位数： | 14 |
| 采样率（每秒）： | 350k |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 160mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-QFP |
| 供应商设备封装： | 44-MQFP（10x10） |
| 包装： | 托盘 |
| 输入数目和类型： | 4 个差分，双极 |
REV. B
–2–
AD7865–SPECIFICATIONS
(VDD = 5 V
5%, AGND = DGND = 0 V, VREF = Internal. Clock = Internal; all specifi-
cations TMIN to TMAX unless otherwise noted.)
Parameter
A, Y Versions
1
B Version
Unit
Test Conditions/Comments
SAMPLE AND HOLD
–3 dB Full Power Bandwidth
3
MHz typ
Aperture Delay
20
ns max
Aperture Jitter
50
ps typ
Aperture Delay Matching
4
ns max
DYNAMIC PERFORMANCE
2
fIN = 100 kHz, fS = 350 kSPS
Signal to (Noise + Distortion) Ratio
3
@ 25
°C
AD7865-1, AD7865-3
78
dB min
Typically 80 dB
AD7865-2
77
dB min
Typically 78 dB
TMIN to TMAX
AD7865-1, AD7865-3
77
dB min
AD7865-2
76
dB min
Total Harmonic Distortion
3, 4
–86
dB max
Peak Harmonic or Spurious Noise
3, 4
–86
dB max
Intermodulation Distortion
3
fa = 49 kHz, fb = 50 kHz
2nd Order Terms
–95
dB typ
3rd Order Terms
–95
dB typ
Channel-to-Channel Isolation
3, 5
–88
dB max
fIN = 50 kHz Sine Wave
DC ACCURACY
Any Channel
Resolution
14
Bits
Relative Accuracy (INL)
3
±2
±1.5
LSB max
Typically 0.6 LSBs
Differential Nonlinearity (DNL)
3
±1
LSB max
No Missing Codes Guaranteed
AD7865-1
Positive Gain Error
3
±10
±8
LSB max
Typically
±2 LSBs
Positive Gain Error Match
3
8
LSB max
Typically 2 LSBs
Negative Gain Error
3
±10
±8
LSB max
Typically
±2 LSBs
Negative Gain Error Match
3
8
LSB max
Typically 2 LSBs
Bipolar Zero Error
±12
±10
LSB max
Typically
±2 LSBs
Bipolar Zero Error Match
6
LSB max
Typically 1.5 LSBs
AD7865-2
Positive Gain Error
3
±16
LSB max
Typically
±2 LSBs
Positive Gain Error Match
3
8
LSB max
Typically 2 LSBs
Unipolar Offset Error
3
±10
LSB max
Typically
±2 LSBs
Unipolar Offset Error Match
3
10
LSB max
Typically 2 LSBs
AD7865-3
Positive Gain Error
3
±16
±14
LSB max
Typically
±6 LSBs
Positive Gain Error Match
3
8
LSB max
Typically 2 LSBs
Negative Gain Error
3
±16
±14
LSB max
Typically
±6 LSBs
Negative Gain Error Match
3
8
LSB max
Typically 2 LSBs
Bipolar Zero Error
±14
±12
LSB max
Typically
±5 LSBs
Bipolar Zero Error Match
8
6
LSB max
Typically 2 LSBs
ANALOG INPUTS
AD7865-1
Input Voltage Range
±5, ±10
Volts
Input Current
1, 1
mA max
VIN = –5 V and –10 V Respectively,
Typically 0.7 mA
AD7865-2
Input Voltage Range
0 V to 2.5 V,
0 V to 5 V
Volts
Input Current
10
A max
VIN = 2.5 V, 0 V to 2.5 V Range, Typ 1
A
1
mA max
VIN = 5 V, 0 V to 5 V Range, Typ 0.7 mA
AD7865-3
Input Voltage Range
±2.5
Volts
Input Current
1
mA max
VIN = –2.5 V, Typically 0.7 mA
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相关代理商/技术参数 |
参数描述 |
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| AD7865ASZ-3REEL | 功能描述:IC ADC 14BIT 4CHAN 5V 44-MQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD7865ASZ-3REEL-SCHNEIDER | 制造商:Analog Devices 功能描述: |
| AD7865BS-1 | 制造商:Rochester Electronics LLC 功能描述:4 CH. SIMULTANEOUS BIPOLAR,14-B ADC I.C. - Bulk 制造商:Analog Devices 功能描述:IC 14-BIT ADC |
| AD7865BS-1Z | 制造商:Analog Devices 功能描述:ADC 14BIT 4CH 350KSPS 44LQ 制造商:Analog Devices 功能描述:ADC, 14BIT, 4CH, 350KSPS, 44LQFP; Resolution (Bits):14bit; Sampling Rate:350kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:32mA; Digital IC Case Style:LQFP; No. of Pins:44; Input ;RoHS Compliant: Yes |
| AD7865BS-2 | 制造商:Rochester Electronics LLC 功能描述:4 CH. SIMULTANEOUS BIPOLAR,14-B ADC I.C. - Bulk |
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