参数资料
型号: TLV320AIC32IRHB
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC32
封装: 5 X 5 MM, PLASTIC, QFN-32
文件页数: 67/76页
文件大小: 1124K
代理商: TLV320AIC32IRHB
www.ti.com
SLAS479B – AUGUST 2005 – REVISED AUGUST 2006
ELECTRICAL CHARACTERISTICS (continued)
At 25
°C, AVDD, DRVDD, IOVDD = 3.3 V, DVDD = 1.8 V, Fs = 48-kHz, 16-bit audio data (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
–77
1-kHz output, PO = 5 mW, RL = 32
0.014
–76
1-kHz output, PO = 10 mW, RL = 32
0.016
Total harmonic distortion
dB%
–73
1-kHz output, PO = 10 mW, RL = 16
0.022
–71
1-kHz output, PO = 20 mW, RL = 16
0.028
Channel separation
1 kHz, 0 dB input
90
dB
Power supply rejection ratio
217 Hz, 100 mVpp on AVDD, DRVDD1/2
48
dB
Mute attenuation
1-kHz output
107
dB
DIGITAL I/O
0.3
×
VIL
Input low level
IIL = +5-A
–0.3
V
IOVDD
0.7
×
VIH
Input high level(6)
IIH = +5-A
V
IOVDD
0.1
×
VOL
Output low level
IIH = 2 TTL loads
V
IOVDD
0.8
×
VOH
Output high level
IOH = 2 TTL loads
V
IOVDD
SUPPLY CURRENT
Fs = 48-kHz
AVDD+DRVDD
3.0
Fs = 48-kHz, PLL off, headphone
Stereo line playback
mA
drivers off
DVDD
2.0
AVDD+DRVDD
2
Mono record
Fs = 48-kHz, PLL and AGC off
mA
DVDD
2.7
AVDD+DRVDD
4
Stereo record
Fs = 48-kHz, PLL and AGC off
mA
DVDD
3.3
AVDD+DRVDD
1.2
Additional power consumed when
PLL
mA
PLL is powered
DVDD
1
AVDD+DRVDD
LINE2LP/RP only routed to
3.3
Headphone amplifier
single-ended headphones, DAC
mA
DVDD
0
and PLL off, no signal applied
AVDD+DRVDD
All supply voltages applied, all
0.1
Power down
blocks programmed in lowest
A
DVDD
0.5
power state
(6)
When IOVDD < 1.6V, minimum VIH is 1.1V.
7
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