AD7763 查看數據表（PDF） - Analog Devices
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AD7763 Datasheet PDF : 32 Pages
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Data Sheet
AD7763
SPECIFICATIONS
AVDD1 = DVDD = VDRIVE = 2.5 V; AVDD2 = AVDD3 = AVDD4 = 5 V; VREF = 4.096 V; MCLK amplitude = 5 V; TA = 25°C; normal mode,
using on-chip amplifier with components as shown in Table 10, unless otherwise noted.1
Table 2.
Parameter
DYNAMIC PERFORMANCE
Decimate × 256
Dynamic Range
Signal-to-Noise Ratio (SNR)2
Spurious-Free Dynamic Range (SFDR)
Total Harmonic Distortion (THD)
Decimate × 64
Dynamic Range
Signal-to-Noise Ratio (SNR)2
Spurious-Free Dynamic Range (SFDR)
Decimate × 32
Dynamic Range
Signal-to-Noise Ratio (SNR)2
Spurious-Free Dynamic Range (SFDR)
Total Harmonic Distortion (THD)
DC ACCURACY
Resolution
Differential Nonlinearity
Integral Nonlinearity
Zero Error
Gain Error
Zero Error Drift
Gain Error Drift
DIGITAL FILTER RESPONSE
Decimate × 32
Group Delay
Decimate × 64
Group Delay
Decimate × 256
Group Delay
ANALOG INPUT
Differential Input Voltage
Input Capacitance
Test Conditions/Comments
MCLK = 40 MHz, ODR = 78 kHz, FIN = 1 kHz
Modulator inputs shorted
Input amplitude = −0.5 dBFS
Input amplitude = −60 dB
Nonharmonic, input amplitude = −6 dB
Input amplitude = −60 dB
Input amplitude = −0.5 dBFS
Input amplitude = −6 dB
Input amplitude = −60 dB
MCLK = 40 MHz, ODR = 312.5 kHz, FIN = 1 kHz
Modulator inputs shorted
Input amplitude = −0.5 dBFS
Nonharmonic, input amplitude = −6 dB
MCLK = 40 MHz, ODR = 625 kHz, FIN = 100 kHz
Modulator inputs shorted
Input amplitude = −0.5 dBFS
Nonharmonic, input amplitude = −6 dB
Input amplitude = −0.5 dBFS
Input amplitude = −6 dB
Guaranteed monotonic to 24 bits
MCLK = 40 MHz
MCLK = 40 MHz
MCLK = 40 MHz
VIN(+) – VIN(−), VREF = 2.5 V
VIN(+) – Vin(−), VREF = 4.096 V
At internal buffer inputs
At modulator inputs
Specification Unit
119
120.5
112
59
126
77
−105
−106
−75
112
113
109.5
126
108
109.5
107
120
−105
−107
24
0.00076
0.014
0.02
0.018
10
0.0002
dB min
dB typ
dB typ
dBc typ
dBc typ
dBc typ
dB typ
dBc typ
dBc typ
dB min
dB typ
dB typ
dBc typ
dB min
dB typ
dB typ
dBc typ
dB typ
dBc typ
Bits
% typ
% typ
% max
% typ
μ%FS/°C typ
%FS/°C typ
47
91.5
358
±2
±3.25
5
55
µs typ
µs typ
µs typ
V p-p
V p-p
pF typ
pF typ
Rev. B | Page 3 of 32
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