ADSST-SALEM-3T

SPECIFICATIONS—ADSST-73360LAR

(AVDD = 2.7 V to 3.6 V, DVDD = 2.7 V to 3.6 V, DGND = AGND = 0 V, fMCLK = 16.384 MHz, fSCLK = 8.192 MHz, fS = 8 kHz, TA = TMIN to TMAX1, unless otherwise noted.)

Table 6.

Parameter

Min

Typ

Max

Unit

Test Conditions

 

 

 

 

 

 

REFERENCE

 

 

 

 

 

REFCAP

 

 

 

 

 

Absolute Voltage, VREFCAP

1.08

1.2

1.32

V

 

REFCAP TC

 

50

 

ppm/°C

0.1 F Capacitor Required from REFCAP to AGND2

 

 

 

 

 

 

REFOUT

 

 

 

 

 

Typical Output Impedance

 

130

 

 

Absolute Voltage, VREFOUT

1.08

1.2

1.32

V

Unloaded

Minimum Load Resistance

1

 

 

kΩ

 

Maximum Load Capacitance

 

 

100

pF

 

 

 

 

 

 

 

ADC SPECIFICATIONS

 

 

 

 

 

Maximum Input Range at VIN 2, 3

 

1.578

 

V p-p

Measured Differentially

 

 

–2.85

 

dBm

 

Nominal Reference Level at VIN

 

1.0954

 

V p-p

Measured Differentially

(0 dBm0)

 

 

 

 

 

 

 

–6.02

 

dBm

 

Absolute Gain

 

 

 

 

 

PGA = 0 dB

–1.3

 

+0.6

dB

1.0 kHz

PGA = 38 dB

0.8

 

+0.8

dB

1.0 kHz

Signal to (Noise + Distortion)

 

 

 

 

 

PGA = 0 dB

 

76

 

dB

0 Hz to 4 kHz; fS = 8 kHz

PGA = 0 dB

71

76

 

dB

0 Hz to 2 kHz; fS = 8 kHz

 

 

 

 

 

fIN = 60 kHz

PGA = 38 dB

 

58

 

dB

0 Hz to 4 kHz; fS = 64 kHz

Total Harmonic Distortion

 

 

 

 

 

PGA = 0 dB

 

–80

–71

dB

0 Hz to 2 kHz; fS = 8 kHz; fIN = 60 kHz

PGA = 38 dB

 

–64

 

dB

0 Hz to 2 kHz; fS = 64 kHz; fIN = 60 kHz

Intermodulation Distortion

 

–78

 

dB

PGA = 0 dB

Idle Channel Noise

 

–68

 

dB

PGA = 0 dB, fS = 64 kHz; SCLK = 16 MHz

Crosstalk ADC-to-ADC

 

–95

 

dB

ADC1 at Idle; ADC2 to ADC6 Input Signal: 60 Hz

DC Offset

–30

 

+30

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 Delay4, 5

 

25

 

s

64 kHz Output Sample Rate

 

 

50

 

s

32 kHz Output Sample Rate

 

 

95

 

s

16 kHz Output Sample Rate

 

 

190

 

s

8 kHz Output Sample Rate

Input Resistance at VIN2, 4

 

25

 

kΩ6

DMCLK = 16.384 MHz

Phase Mismatch

 

0.15

 

Degrees

fIN = 1 kHz

 

 

0.01

 

Degrees

fIN = 60 Hz

Rev. 0 Page 12 of 24

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Analog Devices ADSST-EM-3040 ADSST-SALEM-3T SPECIFICATIONS-ADSST-73360LAR, Parameter Min Typ Max Unit Test Conditions