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参数资料
| 型号： | TLV320AIC13C |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO30 |
| 封装： | PLASTIC, SOP-30 |
| 文件页数： | 9/55页 |
| 文件大小： | 455K |
| 代理商： | TLV320AIC13C |
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3–4
INP1 or INP2
INM1 or INM2
C
Analog Input
Figure 3–3. Single-Ended Input
3.3.4
Analog Output
The OUTP and OUTM are differential output from the DAC channel. The OUTP1 and OUTM1 can drive a load of
600-
directly and be either differential or single-ended (see Figure 3–4). The OUTP2 and OUTP3 are output from
two audio amplifiers to drive low-voltage speakers like those in the handset and headset. They can drive a load of
16-
directly and be configured as either differential output or single-ended output as by bit D7 of the control register
6 (see Figure 3–5). If OUTP2 and OUTP3 are differential output, the OUTMV pin becomes the common inverting
output. Both OUTP2 and OUTP3 can be used simultaneously if each differential load RL > 64 . This is because
OUTMV amp can drive a maximum load of 16
only (only one driver used) or a parallel combination of two 32-
loads (both drivers used). If both OUTP2 and OUTP3 are used simultaneously, they are muted at the same time if
MUTE is selected.
Otherwise, the OUTMV pin is configured as the virtual ground for single-ended output and equal to the common mode
voltage at 1.35 V.
OUTP1
OUTM1
RL
Differential Output OUTP/OUTM
OUTP1
OUTM1
RL
Single-Ended Output OUTP/OUTM
C
Figure 3–4. OUTP1/OUTM1 Output
OUTP2
OUTP3
RL
OUTMV
RL
Figure 3–5. Single-Ended/Differential Connection of OUTP2/OUTP3 Output
Table 3–1. Analog Output Load Resistance
SPEAKER DRIVER CONFIGURATION
NO. OF SPEAKER DRIVERS ON
MIN LOAD
Single-ended
1
16-
Single-ended
2
32-
Differential
1
32-
Differential
2
64-
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