Datasheet

TLV320AIC3100
SLAS667A –NOVEMBER 2009–REVISED MAY 2012 www.ti.com
Electrical Characteristics (continued)
At 25°C, AVDD = HPVDD = IOVDD = 3.3 V, SPKVDD = 3.6 V, DVDD = 1.8 V, f
S
(audio) = 48 kHz, CODEC_CLKIN = 256 ×
f
S
, PLL = Off, VOL/MICDET pin disabled (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DAC Output to Class-D Speaker Output; Load = 4 Ω (Differential), 50 pF
SPKVDD 3.6 V, BTL measurement, CM = 1.8 V, DAC
2.3
input = 0 dBFS, class-D gain = 6 dB, THD ≤ –16.5 dB
Output voltage Vrms
SPKVDD = 3.6 V, BTL measurement, CM = 1.8 V,
DAC input = –2 dBFS, class-D gain = 6 dB, THD ≤ 2.1
–20 dB
SPKVDD = 3.6 V, BTL measurement, DAC input =
Output, common-mode 1.8 V
mute, class-D gain = 6 dB
SPKVDD = 3.6 V, BTL measurement, class-D gain =
SNR Signal-to-noise ratio 6 dB, measured as idle-channel noise, A-weighted 88 dB
(with respect to full-scale output value of 2.3 Vrms)
SPKVDD = 3.6 V, BTL measurement, CM = 1.8 V,
THD Total harmonic distortion –65 dB
DAC input = –6 dBFS, class-D gain = 6 dB
Total harmonic distortion + SPKVDD = 3.6 V, BTL measurement, CM = 1.8V,
THD+N –63 dB
noise DAC input = –6 dBFS, class-D gain = 6dB
SPKVDD = 3.6 V, BTL measurement, ripple on
PSRR Power-supply rejection ratio –44 dB
SPKVDD = 200 mVp-p at 1 kHz
Mute attenuation 110 dB
SPKVDD = 3.6 V, BTL measurement, CM = 1.8 V,
1
class-D gain = 18 dB, THD = 10%
SPKVDD = 4.3 V, BTL measurement, CM = 1.8 V,
P
O
Maximum output power 1.5 W
class-D gain = 18 dB, THD = 10%
SPKVDD = 5.5 V, BTL measurement, CM = 1.8 V,
2.5
class-D gain = 18 dB, THD = 10%
DAC Output to Class-D Speaker Output; Load = 8 Ω (Differential), 50 pF
SPKVDD 3.6 V, BTL measurement, CM = 1.8 V, DAC
2.2
input = 0 dBFS, class-D gain = 6 dB, THD ≤ –16.5 dB
Output voltage Vrms
SPKVDD = 3.6 V, BTL measurement, CM = 1.8 V,
DAC input = –2 dBFS, class-D gain = 6 dB, THD ≤ 2.1
–20 dB
SPKVDD = 3.6 V, BTL measurement, DAC input =
Output, common-mode 1.8 V
mute, class-D gain = 6 dB
SPKVDD = 3.6 V, BTL measurement, class-D gain =
SNR Signal-to-noise ratio 6 dB, measured as idle-channel noise, A-weighted 87 dB
(with respect to full-scale output value of 2.2 Vrms)
SPKVDD = 3.6 V, BTL measurement, CM = 1.8 V,
THD Total harmonic distortion –67 dB
DAC input = –6 dBFS, class-D gain = 6 dB
Total harmonic distortion + SPKVDD = 3.6 V, BTL measurement, CM = 1.8 V,
THD+N –66 dB
noise DAC input = –6 dBFS, class-D gain = 6dB
SPKVDD = 3.6 V, BTL measurement, ripple on
PSRR Power-supply rejection ratio
(1)
–44 dB
SPKVDD = 200 mVp-p at 1 kHz
Mute attenuation 110 dB
SPKVDD = 3.6 V, BTL measurement, CM = 1.8 V,
0.7
class-D gain = 18 dB, THD = 10%
SPKVDD = 4.3 V, BTL measurement, CM = 1.8 V,
P
O
Maximum output power 1 W
class-D gain = 18 dB, THD = 10%
SPKVDD = 5.5 V, BTL measurement, CM = 1.8 V,
1.6
class-D gain = 18 dB, THD = 10%
Output-stage leakage current SPKVDD = 4.3 V, device is powered down (power-
80 nA
for direct battery connection up-reset condition)
(1) DAC to speaker-out PSRR is a differential measurement and is calculated as PSRR = 20 × log(ΔV
SPK(P + M)
/ ΔV
SPKVDD
).
8 ELECTRICAL SPECIFICATIONS Copyright © 2009–2012, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Link(s): TLV320AIC3100