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AD73411 Datasheet(PDF) 2 Page - Analog Devices

Part No. AD73411
Description  Low-Power Analog Front End with DSP Microcomputer
Download  36 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD73411 Datasheet(HTML) 2 Page - Analog Devices

 
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REV. 0
–2–
AD73411–SPECIFICATIONS
(AVDD = DVDD = 3.0 V to 3.6 V; DGND = AGND = 0 V, fMCLK = 16.384 MHz,
fSAMP = 64 kHz; TA = TMIN to TMAX, unless otherwise noted.)
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
AFE SECTION
REFERENCE
REFCAP
Absolute Voltage, VREFCAP
1.08
1.2
1.32
V
REFCAP TC
50
ppm/
°C
0.1
µF Capacitor Required from
REFOUT
REFCAP to AGND2
Typical Output Impedance
145
Absolute Voltage, VREFOUT
1.08
1.2
1.32
V
Unloaded
ADC SPECIFICATIONS
Maximum Input Range at VIN
2, 3
1.578
V p-p
Measured Differentially
–2.85
dBm
Max Input = (1.578/1.2)
× V
REFCAP
Nominal Reference Level at VIN
1.0954
V p-p
Measured Differentially
(0 dBm0)
–6.02
dBm
Absolute Gain
PGA = 0 dB
–2.2
–0.6
+1.0
dB
1.0 kHz, 0 dBm0
PGA = 38 dB
–1.0
dB
1.0 kHz, 0 dBm0
Gain Tracking Error
±0.1
dB
1.0 kHz, +3 dBm0 to –50 dBm0
Signal to (Noise + Distortion)
Refer to Figure ?
PGA = 0 dB
71
76
dB
300 Hz to 3400 Hz;
70
74
dB
0 Hz to fSAMP/2
72
dB
300 Hz to 3400 Hz; fSAMP = 64 kHz
56
dB
0 Hz to fSAMP/2; fSAMP = 64 kHz
PGA = 38 dB
60
dB
300 Hz to 3400 Hz;
59
dB
0 Hz to fSAMP/2
Total Harmonic Distortion
PGA = 0 dB
–85
–75
dB
300 Hz to 3400 Hz
PGA = 38 dB
–85
dB
300 Hz to 3400 Hz
Intermodulation Distortion
–82
dB
PGA = 0 dB
Idle Channel Noise
–76
dBm0
PGA = 0 dB
Crosstalk
–100
dB
ADC Input Signal Level: 1.0 kHz, 0 dBm0
DAC Input at Idle
DC Offset
–20
+2
+25
mV
PGA = 0 dB
Power Supply Rejection
–84
dB
Input Signal Level at AVDD and DVDD
Pins 1.0 kHz, 100 mV p-p Sine Wave
Group Delay
4, 5
25
µsf
SAMP = 64 kHz
Input Resistance at PGA
2, 4, 6
45
k
DMCLK = 16.384 MHz
DAC SPECIFICATIONS
Maximum Voltage Output Swing
2
Single-Ended
1.578
V p-p
PGA = 6 dB
–2.85
dBm
Max Output = (1.578/1.2)
× V
REFCAP
Differential
3.156
V p-p
PGA = 6 dB
3.17
dBm
Max Output = 2
× ((1.578/1.2) × V
REFCAP
Nominal Voltage Output Swing (0 dBm0)
Single-Ended
1.0954
V p-p
PGA = 6 dB
–6.02
dBm
Differential
2.1909
V p-p
PGA = 6 dB
0
dBm
Output Bias Voltage
4
1.08
1.2
1.32
V
REFOUT Unloaded
Absolute Gain
–1.8
–0.7
+0.4
dB
1.0 kHz, 0 dBm0; Unloaded
Gain Tracking Error
±0.1
dB
1.0 kHz, +3 dBm0 to –50 dBm0
Signal to (Noise + Distortion)
PGA = 0 dB
70
77
dB
300 Hz to 3400 Hz
76
dB
300 Hz to 3400 Hz; fSAMP = 64 kHz
PGA = 6 dB
77
dB
300 Hz to 3400 Hz
77
dB
300 Hz to 3400 Hz; fSAMP = 64 kHz
Total Harmonic Distortion at 0 dBm0
PGA = 0 dB
–80
–70
dB
PGA = 6 dB
–80
dB
Intermodulation Distortion
–76
dB
PGA = 0 dB
Idle Channel Noise
–82
dBm0
PGA = 0 dB
Crosstalk
–100
dB
ADC Input Signal Level: AGND; DAC
Output Signal Level: 1.0 kHz, 0 dBm0
1


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