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AD7763 数据表(PDF) 4 Page - Analog Devices

部件名 AD7763
功能描述  24-Bit, 625 kSPS, 109 dB 誇-? ADC with On-Chip Buffers, Serial Interface
PDF  32 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD7763 数据表(HTML) 4 Page - Analog Devices

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AD7763
Rev. 0 | Page 4 of 32
Parameter
Test Conditions/Comments
Specification
Unit
REFERENCE INPUT
VREF Input Voltage
VDD3 = 3.3 V ± 5%
+2.5
V max
VDD3 = 5 V ± 5%
+4.096
V max
VREF Input DC Leakage Current
±1
μA max
VREF Input Capacitance
5
pF max
POWER DISSIPATION
Total Power Dissipation
Normal power mode
955.5
mW max
Low power mode
651
mW max
Standby Mode
Clock stopped
6.35
mW typ
POWER REQUIREMENTS
AVDD1 (Modulator Supply)
±5%
+2.5
V
AVDD2 (General Supply)
±5%
+5
V
AVDD3 (Differential Amplifier Supply)
+3.15/+5.25
V min/max
AVDD4 (Reference Buffer Supply)
+3.15/+5.25
V min/max
DVDD
±5%
+2.5
V
VDRIVE
+1.65/+2.7
V min/max
Normal Mode
AIDD1 (Modulator)
49/52
mA typ/max
AIDD2 (General)
40/43
mA typ/max
AIDD4 (Reference Buffer)
AVDD4 = 5 V
35/37
mA typ/max
Low Power Mode
AIDD1 (Modulator)
26/28
mA typ/max
AIDD2 (General)
20/23
mA typ/max
AIDD4 (Reference Buffer)
AVDD4 = 5 V
10/11
mA typ/max
AIDD3 (Diff Amp)
AVDD3 = 5 V, both modes
41/45
mA typ/max
DIDD
Both modes
56/62
mA typ/max
DIGITAL I/O
MCLK Input Amplitude3
5
V typ
Input Capacitance
7.3
pF typ
Input Leakage Current
±1
μA/pin max
Three-State Leakage Current (SDO)
±1
μA max
VINH
0.7 × VDRIVE
V min
VINL
0.3 × VDRIVE
V max
VOH4
1.5
V min
VOL
0.1
V max
1 See the Terminology section.
2 SNR specifications in dB are referred to a full-scale input, FS, and tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
3 While the AD7763 can function with an MCLK amplitude of less than 5 V, this is the recommended amplitude to achieve the performance as stated.
4 Tested with a 400 μA load current.



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