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| 型號： | TLV320DAC3120IRHBR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 24-BIT DAC, PQCC32 |
| 封裝： | 5 X 5 MM, PLASTIC, QFN-32 |
| 文件頁數(shù)： | 67/110頁 |
| 文件大小： | 1230K |
| 代理商： | TLV320DAC3120IRHBR |
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SLAS659 – NOVEMBER 2009
www.ti.com
Electrical Characteristics (continued)
At 25°C, AVDD = HPVDD = IOVDD = 3.3 V, SPKVDD = 3.6 V, DVDD = 1.8 V, fS (audio) = 48 kHz,
CODEC_CLKIN = 256 × fS, PLL = Off, VOL/MICDET pin disabled (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DAC HEADPHONE OUTPUT, AC-COUPLED LOAD = 16
(SINGLE-ENDED),
DRIVER GAIN = 0 dB, PARASITIC CAPACITANCE = 30 pF
Full-scale output voltage
Output common-mode setting = 1.65 V
0.707
Vrms
(0 dB)
SNR
Signal-to-noise ratio
Measured as idle-channel noise, A-weighted(1) (2)
80
95
dB
THD
Total harmonic distortion
0-dBFS input
–85
–65
dB
Total harmonic distortion +
THD+N
0-dBFS input
–82
–60
dB
noise
Mute attenuation
87
dB
PSRR
Power-supply rejection ratio(3)
Ripple on HPVDD (3.3 V) = 200 mVp-p at 1 kHz
–62
dB
RL = 32 , THD+N ≤ –60 dB
20
PO
Maximum output power
mW
RL = 16 , THD+N ≤ –60 dB
60
DAC LINEOUT (HP Driver in Lineout Mode)
SNR
Signal-to-noise ratio
Measured as idle-channel noise, A-weighted
95
dB
THD
Total harmonic distortion
0-dBFS input, 0-dB gain
–86
dB
Total harmonic distortion +
THD+N
0-dBFS input, 0-dB gain
–83
dB
noise
DAC DIGITAL INTERPOLATION FILTER CHARACTERISTICS
See Section 5.6.1.4 for DAC interpolation filter characteristics.
DAC OUTPUT TO CLASS-D SPEAKER OUTPUT; LOAD = 4
Ω (DIFFERENTIAL), 50 pF
SPKVDD = 3.6 V, BTL measurement, CM = 1.8 V,
DAC input = 0 dBFS, class-D gain = 6 dB, THD
≤
2.3
–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, CM = 1.8 V, 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, DAC input = –6
THD
Total harmonic distortion
–65
dB
dBFS, CM = 1.8 V, class-D gain = 6 dB
Total harmonic distortion +
SPKVDD = 3.6 V, BTL measurement, DAC input = –6
THD+N
–63
dB
noise
dBFS, CM = 1.8 V, class-D gain = 6 dB
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,
PO
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%
(1)
Ratio of output level with 1-kHz full-scale sine-wave input, to the output level with the inputs short-circuited, measured A-weighted over a
20-Hz to 20-kHz bandwidth using an audio analyzer.
(2)
All performance measurements done with 20-kHz low-pass filter and, where noted, A-weighted filter. Failure to use such a filter may
result in higher THD+N and lower SNR and dynamic range readings than shown in the Electrical Characteristics. The low-pass filter
removes out-of-band noise, which, although not audible, may affect dynamic specification values.
(3)
DAC to headphone-out PSRR measurement is calculated as PSRR = 20 X log(
VHPL / VHPVDD).
6
ELECTRICAL SPECIFICATIONS
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TLV320DAC3120
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| TLV320DAC3120IRHBT | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Lo-Pwr Audio DAC w/ Audio Proc RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| TLV320DAC3120IRHBT | 制造商:Texas Instruments 功能描述:D/A Converter (D-A) IC 制造商:Texas Instruments 功能描述:IC, DAC, 32BIT, 192KSPS, QFN-32 |
| TLV320DAC32 | 制造商:BB 制造商全稱:BB 功能描述:LOW POWER STEREO AUDIO DAC FOR PORTABLE AUDIO/TELEPHONY |
| TLV320DAC3202 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW POWER HIGH FIDELITY I2S INPUT HEADSET IC |
| TLV320DAC3202BYZJR | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Lo Pwr Hi Fidelity I2S Input Headset IC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
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