AD1836A Data Sheet
Rev. A | Page 4 of 24
Table 2. Analog Performance
Parameter Min Typ Max Unit
ANALOG-TO-DIGITAL CONVERTERS
ADC Resolution (all ADCs) 24 Bits
Dynamic Range (20 Hz to 20 kHz, –60 dB Input)
1, 2
No Filter (RMS), AD1836AAS 97 102 dB
With A-Weighted Filter (RMS), AD1836AAS 100 105 dB
No Filter (RMS), AD1836ACS 94 99 dB
With A-Weighted Filter (RMS), AD1836ACS 97 102 dB
Total Harmonic Distortion + Noise (–1 dBFS)
1
–92 –83 dB
Full-Scale Input Voltage (Differential) 2.18 (6.16) V rms (V pp)
Gain Error –5.0 +5.0 %
Interchannel Gain Mismatch –0.1 +0.1 dB
Offset Error –10 0 +10 mV
Gain Drift 100 ppm/°C
Interchannel Isolation –110 dB
Programmable Input Gain 12 dB
Gain Step Size 3 dB
CMRR, Direct Input, 100 mV RMS, 1 kHz –77 –63 dB
CMRR, Direct Input, 100 mV RMS, 20 kHz –72 –60 dB
CMRR, PGA Differential Input, 100 mV RMS, 1 kHz –57 –39 dB
CMRR, PGA Differential Input, 100 mV RMS, 20 kHz –57 –39 dB
Input Resistance 10 kΩ
Input Capacitance 15 pF
Common-Mode Input Volts 2.25 V
DIGITAL-TO-ANALOG CONVERTERS
Dynamic Range (20 Hz to 20 kHz, –60 dB Input)
1, 2
No Filter (RMS), AD1836AAS
With A-Weighted Filter (RMS), AD1836AAS 105 108 dB
No Filter (RMS), AD1836ACS 99 102 dB
With A-Weighted Filter (RMS), AD1836ACS
Total Harmonic Distortion + Noise (0 dBFS)
1
–95 –85 dB
Full-Scale Output Voltage (Differential) 2.0 (5.6) V rms (V pp)
Gain Error –6.0 +6.0 %
Interchannel Gain Mismatch –0.3 +0.3 dB
Offset Error 15 55 95 mV
Gain Drift 150 ppm/°C
Interchannel Isolation –110 dB
Interchannel Phase Deviation ±0.1 Degrees
Volume Control Step Size (1023 Linear Steps) 0.098 %
Volume Control Range (Max Attenuation) 60 dB
Max Attenuation –100 dB
De-emphasis Gain Error ±0.1 dB
Output Resistance at Each Pin 115 Ω
V
REF
(FILTR), Common-Mode Output 2.2 2.25 2.3 V
1
Total harmonic distortion + noise and dynamic range typical specifications are for two channels active, max/min are all channels active.
2
Measured with Audio Precision System Two Cascade in rms mode. Averaging mode will show approximately 2 dB better performance.
