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參數資料
| 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： | 56/110頁 |
| 文件大小： | 1230K |
| 代理商： | TLV320DAC3120IRHBR |
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www.ti.com
SLAS659 – NOVEMBER 2009
3.2
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
AVDD(1)
Referenced to AVSS(2)
2.7
3.3
3.6
DVDD
Referenced to DVSS(2)
1.65
1.8
1.95
V
HPVDD
Power-supply voltage range
Referenced to HPVSS(2)
2.7
3.3
3.6
SPKVDD(1)
Referenced to SPKVSS(2)
2.7
5.5
IOVDD
Referenced to IOVSS(2)
1.1
3.3
3.6
Speaker impedance
Load applied across class-D output pins (BTL)
4
Headphone impedance
AC-coupled to RL
16
Analog audio full-scale input
VI
AVDD = 3.3 V, single-ended
0.707
VRMS
voltage
Mono line output load
AC-coupled to RL
10
k
impedance
MCLK(3)
Master clock frequency
IOVDD = 3.3 V
50
MHz
SCL
SCL clock frequency
400
kHz
TA
Operating free-air temperature
–40
85
°C
(1)
To minimize battery-current leakage, the SPKVDD and SPKVDD voltage levels should not be below the AVDD voltage level.
(2)
All grounds on board are tied together, so they should not differ in voltage by more than 0.2 V maximum for any combination of ground
signals. By use of a wide trace or ground plane, ensure a low-impedance connection between HPVSS and DVSS.
(3)
The maximum input frequency should be 50 MHz for any digital pin used as a general-purpose clock.
3.3
Electrical Characteristics
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
INTERNAL OSCILLATOR—RC_CLK
Oscillator frequency
8.2
MHz
VOLUME CONTROL PIN (ADC); VOL/MICDET pin enabled
VOL/MICDET pin configured as volume control (page
0.5 ×
Input voltage range
0 / register 116, bit D7 = 1 and page 0 / register 67,
0
V
AVDD
bit D7 = 0)
Input capacitance
2
pF
Volume control steps
128
Steps
MICROPHONE BIAS
Page 1 / register 46, bits D1–D0 = 10
2.25
2.5
2.75
Voltage output
V
Page 1 / register 46, bits D1–D0 = 01
2
At 4-mA load current, page 1 / register 46, bits D1–D0
5
= 10 (MICBIAS = 2.5 V)
Voltage regulation
mV
At 4-mA load current, page 1 / register 46, bits D1–D0
7
= 01 (MICBIAS = 2 V)
Copyright 2009, Texas Instruments Incorporated
ELECTRICAL SPECIFICATIONS
5
Product Folder Link(s): TLV320DAC3120
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| TLV320DAC3120IRHBT | 功能描述:音頻數/模轉換器 IC Lo-Pwr Audio DAC w/ Audio Proc RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
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| 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/模轉換器 IC Lo Pwr Hi Fidelity I2S Input Headset IC RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
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