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| 型号： | EVAL-AD7708EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 40/44页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD7708 |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 16 |
| 采样率（每秒）： | 1.37k |
| 数据接口： | 串行 |
| 输入范围： | ±2.5 V |
| 在以下条件下的电源（标准）： | 3.84mW @ 3V |
| 工作温度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7708 |
| 已供物品： | 板，CD |
| 相关产品： | AD7708BRZ-ND - IC ADC 16BIT R-R 8/10CH 28SOIC AD7708BRUZ-REEL7-ND - IC ADC 16BIT R-R 8/10CH 28TSSOP AD7708BRZ-REEL7-ND - IC ADC 16BIT R-R 8/10CH 28SOIC AD7708BRZ-REEL-ND - IC ADC 16BIT R-R 8/10CH 28SOIC AD7708BRUZ-REEL-ND - IC ADC 16BIT R-R 8/10CH 28TSSOP AD7708BRUZ-ND - IC ADC 16BIT R-R 8/10CH 28-TSSOP AD7708BRU-REEL7-ND - IC ADC 16BIT R-R 8/10CH 28-TSSOP AD7708BRU-REEL-ND - IC ADC 16BIT R-R 8/10CH 28-TSSOP AD7708BRU-ND - IC ADC 16BIT R-R 8/10CH 28-TSSOP AD7708BR-REEL7-ND - IC ADC 16BIT R-R 8/10CH 28-SOIC 更多... |
| 其它名称： | EVAL-AD7708EB EVAL-AD7708EB-ND |
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REV. 0
–5–
AD7708/AD7718
Parameter
B Grade
Unit
Test Conditions
LOGIC INPUTS (Continued)
SCLK Only (Schmitt-Triggered Input)
2
VT(+)
1.4/2
V min/V max
DVDD = 5 V
VT(–)
0.8/1.4
V min/V max
DVDD = 5 V
VT(+) – VT(–)
0.3/0.85
V min/V max
DVDD = 5 V
VT(+)
0.95/2
V min/V max
DVDD = 3 V
VT(–)
0.4/1.1
V min/V max
DVDD = 3 V
VT(+)–VT(–)
0.3/0.85
V min/V max
DVDD = 3 V
XTAL1 Only
2
VINL, Input Low Voltage
0.8
V max
DVDD = 5 V
VINH, Input High Voltage
3.5
V min
DVDD = 5 V
VINL, Input Low Voltage
0.4
V max
DVDD = 3 V
VINH, Input High Voltage
2.5
V min
DVDD = 3 V
Input Currents
±10
A max
Logic Input = DVDD
–70
A max
Logic Input = DGND, Typical –40
A @ 5 V
and –20
A at 3 V
Input Capacitance
10
pF typ
All Digital Inputs
LOGIC OUTPUTS (Excluding XTAL2)
5
VOH, Output High Voltage
2
DVDD – 0.6
V min
DVDD = 3 V, ISOURCE = 100
A
VOL, Output Low Voltage
2
0.4
V max
DVDD = 3 V, ISINK = 100
A
VOH, Output High Voltage
2
4V min
DVDD = 5 V, ISOURCE = 200
A
VOL, Output Low Voltage
2
0.4
V max
DVDD = 5 V, ISINK = 1.6 mA
Floating State Leakage Current
±10
A max
Floating State Output Capacitance
±10
pF typ
Data Output Coding
Binary
Unipolar Mode
Offset Binary
Bipolar Mode
SYSTEM CALIBRATION
2
Full-Scale Calibration Limit
1.05
× FS
V max
Zero-Scale Calibration Limit
–1.05
× FS
V min
Input Span
0.8
× FS
V min
2.1
× FS
V max
START-UP TIME
From Power-On
300
ms typ
From Power-Down Mode
1
ms typ
Oscillator Enabled
300
ms typ
Oscillator Powered Down
POWER REQUIREMENTS
Power Supply Voltages
AVDD and DVDD can be operated independently of each other.
AVDD–AGND
2.7/3.6
V min/max
AVDD = 3 V nom
4.75/5.25
V min/max
AVDD = 5 V nom
DVDD–DGND
2.7/3.6
V min/max
DVDD = 3 V nom
4.75/5.25
V min
DVDD = 5 V nom
DIDD (Normal Mode)
0.55
mA max
DVDD = 3 V, 0.43 mA typ
0.65
mA max
DVDD = 5 V, 0.5 mA typ
AIDD (Normal Mode)
1.1
mA max
AVDD = 3 V or 5 V, 0.85 mA typ
DIDD (Power-Down Mode)
10
A max
DVDD = 3 V, 32.768 kHz Osc. Running
2
A max
DVDD = 3 V, Oscillator Powered Down
30
A max
DVDD = 5 V, 32.768 kHz Osc. Running
8
A max
DVDD = 5 V, Oscillator Powered Down
AIDD (Power-Down Mode)
1
A max
AVDD = 3 V or 5 V
Power Supply Rejection (PSR)
Input Range =
±2.56 V, AIN = 1 V
Chop Disabled
70
dB min
95 dB typ
Chop Enabled
100
dB typ
NOTES
1Temperature range is –40
°C to +85°C.
2Not production tested, guaranteed by design and/or characterization data at release.
3Following a self-calibration this error will be in the order of the noise for the programmed gain and update selected. A system calibration will completely remove this error.
4Recalibration at any temperature will remove these errors.
5I/O Port Logic Levels are with respect to AV
DD and AGND.
Specifications are subject to change without notice.
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