TLC320AD81C Datasheet, PDF (24/47 Pages) Texas Instruments – Stereo Audio Digital Equalizer DC

3.4 DAC Performance Characteristics, T_A = 25°C, AV_DD_DAC = 5 V,
All Other V_DD = 3.3 V, f_s = 44.1 kHz (see Note 1)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
DAC resolution
16
Bits
DAC signal-to-noise ratio (SNR) (see Note 2)
Dynamic range
AVDD_DAC = 5 V
AVDD_DAC = 3.3 V
90
98
dB
90
95
94
dB
Total harmonic distortion (THD)
0.005 0.01 %
Total harmonic distortion + noise (THD + N)
–60 dB
–32
dB
Crosstalk
90
dB
Frequency response
0
20 kHz
DAC conversion latency
16
fs
Periods
OUTPUT DRIVER LEVELS
Full-scale output voltage (into 10 kΩ)
Output dc level
OUTPUT DRIVER LOADING
AVDD_DAC = 5 V
AVDD_DAC = 3.3 V
1
0.6
VDD/2
Vrms
Vrms
V
Minimum output load impedance
2
10
kΩ
Maximum output load capacitance
100
pF
DC ACCURACY
Transition band
20
kHz
Out of band attenuation
–40
dB
Interchannel gain mismatch
Output drivers
±1% ±5% FSR
Potential divider resistance
AVDD_DAC to CAP and
CAP to AVSS_DAC
80 100 120 kΩ
Voltage at CAP
VDD/2
V
NOTES: 1. All measurements done with 20-kHz low-pass filter.
2. Ratio of RMS output level with 1-kHz full-scale input, to the RMS output level with all zeros into the digital
input, measured with A-weighted filter over a 20 Hz to 20 kHz bandwidth.
3–2