Datasheet

REV. A
–4–
AD73360–SPECIFICATIONS
1
(AVDD = 5 V ⴞ 10%; DVDD = 5 V ⴞ 10%; DGND = AGND = 0 V, f
MCLK
= 16.384 MHz,
f
SCLK
= 8.192 MHz, f
S
= 8 kHz; T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
AD73360A
Parameter Min Typ Max Unit Test Conditions/Comments
REFERENCE
REFCAP
Absolute Voltage, V
REFCAP
1.25 V 5VEN = 0
2.5 V 5VEN = 1
REFCAP TC 50 ppm/°C 0.1 µF Capacitor Required from REFCAP
to AGND2
REFOUT
Typical Output Impedance 130 Ω
Absolute Voltage, V
REFOUT
1.25 V 5VEN = 0, Unloaded
2.5 V 5VEN = 1, Unloaded
Minimum Load Resistance 2 kΩ 5VEN = 1
Maximum Load Capacitance 100 pF
ADC SPECIFICATIONS
Maximum Input Range at VIN
2, 3
3.2875 V p-p 5VEN = 1, Measured Differentially
3.17 dBm
Nominal Reference Level at VIN 2.2823 V p-p 5VEN = 1, Measured Differentially
(0 dBm0) 0 dBm
Absolute Gain
PGA = 0 dB 0.1 dB 1.0 kHz
PGA = 38 dB –0.5 dB 1.0 kHz
Gain Tracking Error ± 0.1 dB 1.0 kHz, +3 dBm0 to –50 dBm0
Signal to (Noise + Distortion)
PGA = 0 dB 76 dB 0 Hz to 4 kHz; f
S
= 8 kHz
PGA = 38 dB 70 dB 0 Hz to 4 kHz; f
S
= 64 kHz
Total Harmonic Distortion
PGA = 0 dB –86 dB
PGA = 38 dB –80 dB
Intermodulation Distortion –79 dB PGA = 0 dB
Idle Channel Noise –76 dB PGA = 0 dB
Crosstalk ADC-to-ADC –85 dB ADC1 Input Signal Level: 1.0 kHz, 0 dBm0
ADC2 Input at Idle
DC Offset 20 mV PGA = 0 dB
Power Supply Rejection –55 dB Input Signal Level at AVDD and DVDD
Pins 1.0 kHz, 100 mV p-p Sine Wave
Group Delay
4, 5
25 µs 64 kHz Output Sample Rate
50 µs 32 kHz Output Sample Rate
95 µs 16 kHz Output Sample Rate
190 µs 8 kHz Output Sample Rate
Input Resistance at VIN
2, 4
25 kΩ
6
DMCLK = 16.384 MHz
FREQUENCY RESPONSE
(ADC)
7
Typical Output
Frequency (Normalized to f
S
)
00dB
0.03125 –0.1 dB
0.0625 –0.25 dB
0.125 –0.6 dB
0.1875 –1.4 dB
0.25 –2.8 dB
0.3125 –4.5 dB
0.375 –7.0 dB
0.4375 –9.5 dB
> 0.5 < –12.5 dB