参数资料
| 型号： | AD7874ANZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/16页 |
| 文件大小： | 0K |
| 描述： | IC DAS 12BIT 4CH LC2MOS 28-DIP |
| 标准包装： | 1 |
| 类型： | 数据采集系统（DAS） |
| 分辨率（位）： | 12 b |
| 采样率（每秒）： | 116k |
| 数据接口： | 并联 |
| 电压电源： | 双 ± |
| 电源电压： | ±5V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 28-DIP（0.600"，15.24mm） |
| 供应商设备封装： | 28-PDIP |
| 包装： | 管件 |
| 产品目录页面： | 776 (CN2011-ZH PDF) |
REV. C
–2–
AD7874–SPECIFICATIONS
(VDD = +5 V, VSS = –5 V, AGND = DGND = 0 V, REF IN = +3 V, fCLK = 2.5 MHz
external. All specifications TMIN to TMAX unless otherwise noted.)
Parameter
A Version B Version S Version
Units
Test Conditions/Comments
SAMPLE-AND-HOLD
Acquisition Time
2 to 0.01%
2
s max
Droop Rate
2, 3
1
2
mV/ms max
–3 dB Small Signal Bandwidth3
500
kHz typ
VIN = 500 mV p-p
Aperture Delay
2
0
ns min
40
ns max
Aperture Jitter
2, 3
200
ps typ
Aperture Delay Matching
2
4
ns max
SAMPLE-AND-HOLD AND ADC
DYNAMIC PERFORMANCE
Signal-to-Noise Ratio
70
71
70
dB min
fIN = 10 kHz Sine Wave, fSAMPLE = 29 kHz
Total Harmonic Distortion
–78
–80
–78
dB max
fIN = 10 kHz Sine Wave, fSAMPLE = 29 kHz
Peak Harmonic or Spurious Noise
–78
–80
–78
dB max
fIN = 10 kHz Sine Wave, fSAMPLE = 29 kHz
Intermodulation Distortion
fa = 9 kHz, fb = 9.5 kHz, fSAMPLE = 29 kHz
2nd Order Terms
–80
dB max
3rd Order Terms
–80
dB max
Channel-to-Channel Isolation
2
–80
dB max
DC ACCURACY
Resolution
12
Bits
Relative Accuracy
±1
±1/2
±1
LSB max
Differential Nonlinearity
±1
LSB max
No Missing Codes Guaranteed
Positive Full-Scale Error
4
±5
LSB max
Any Channel
Negative Full-Scale Error
4
±5
LSB max
Any Channel
Full-Scale Error Match
5
LSB max
Between Channels
Bipolar Zero Error
±5
LSB max
Any Channel
Bipolar Zero Error Match
4
LSB max
Between Channels
ANALOG INPUTS
Input Voltage Range
±10
Volts
Input Current
±600
A max
REFERENCE OUTPUTS
REF OUT
333V nom
REF OUT Error @ +25
°C
±0.33
% max
TMIN to TMAX
±1
% max
REF OUT Temperature Coefficient
±35
ppm/
°C typ
Reference Load Change
±1
±2
mV max
Reference Load Current Change (0–500
A)
Reference Load Should Not Be Changed During Conversion
REFERENCE INPUT
Input Voltage Range
2.85/3.15
V min/V max 3 V
± 5%
Input Current
±1
A max
Input Capacitance
3
10
pF max
LOGIC INPUTS
Input High Voltage, VINH
2.4
V min
VDD = 5 V ± 5%
Input Low Voltage, VINL
0.8
V max
VDD = 5 V ± 5%
Input Current, IIN
±10
A max
VIN = 0 V to VDD
Input Capacitance, CIN
3
10
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
4.0
V min
VDD = 5 V ± 5%; ISOURCE = 40 A
Output Low Voltage, VOL
0.4
V max
VDD = 5 V ± 5%; ISINK = 1–6 mA
DB0–DB11
Floating-State Leakage Current
±10
A max
VIN = 0 V to VDD
Floating-State Output Capacitance 10
10
pF max
Output Coding
2s COMPLEMENT
POWER REQUIREMENTS
VDD
+5
V nom
±5% for Specified Performance
VSS
–5
V nom
±5% for Specified Performance
IDD
18
mA max
CS
= RD = CONVST = +5 V; Typically 12 mA
ISS
12
mA max
CS
= RD = CONVST = +5 V; Typically 8 mA
Power Dissipation
150
mW max
CS
= RD = CONVST = +5 V; Typically 100 mW
NOTES
1Temperature ranges are as follows: A, B Versions: –40
°C to +85°C; S Version: –55°C to +125°C.
2See Terminology.
3Sample tested @ +25
°C to ensure compliance.
4Measured with respect to the REF IN voltage and includes bipolar offset error.
5For capacitive loads greater than 50 pF a series resistor is required.
Specifications subject to change without notice.
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| AD7874ANZ | 制造商:Analog Devices 功能描述:IC 12-BIT ADC |
| AD7874AQ | 功能描述:IC DAS 12BIT 4CH 5V 28-CDIP RoHS:否 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统（DAS） 分辨率（位）:16 b 采样率（每秒）:21.94k 数据接口:MICROWIRE?，QSPI?，串行，SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
| AD7874AR | 功能描述:IC DAS 12BIT 4CH LC2MOS 28-SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统（DAS） 分辨率（位）:16 b 采样率（每秒）:21.94k 数据接口:MICROWIRE?，QSPI?，串行，SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
| AD7874AR-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 116ksps 12-bit Parallel 28-Pin SOIC W T/R |
| AD7874AR-REEL7 | 功能描述:IC DAS 12BIT 4CH 5V 28-SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统（DAS） 分辨率（位）:16 b 采样率（每秒）:21.94k 数据接口:MICROWIRE?，QSPI?，串行，SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
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