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參數資料
| 型號： | TLV320ADC3101IRGET320 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC24 |
| 封裝： | 4 X 4 MM, GREEN, PLASTIC, VQFN-24 |
| 文件頁數： | 63/83頁 |
| 文件大小： | 1338K |
| 代理商： | TLV320ADC3101IRGET320 |
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SLAS553A – NOVEMBER 2008 – REVISED SEPTEMBER 2009...................................................................................................................................... www.ti.com
Page 1 / Register 55: Right ADC Input selection for Right PGA
READ/
RESET
BIT
DESCRIPTION(1)
WRITE
VALUE
D7–D6
R/W
11
RCH_SEL4; Differential Pair Using the IN2R(P) as PLUS and IN3R(M) as MINUS Inputs.
00: 0-dB setting is chosen.
01: –6-dB setting is chosen.
10–11: Not connected to the right ADC PGA.
D5–D4
R/W
11
RCH_SEL3; Used for the IN3R(M) Pin, Which Is Single-Ended
00: 0-dB setting is chosen.
01: –6-dB setting is chosen.
10–11: Not connected to the right ADC PGA.
D3–D2
R/W
11
RCH_SEL2; Used for the IN2R(P) Pin, Which Is Single-Ended
00: 0-dB setting is chosen.
01: –6-dB setting is chosen.
10–11: Not connected to the right ADC PGA.
D1–D0
R/W
11
RCH_SEL1; Used for the IN1R(M) Pin, Which Is Single-Ended
00: 0-dB setting is chosen.
01: –6-dB setting is chosen.
10–11: Not connected to the right ADC PGA.
(1)
To maintain the same PGA output level for both single-ended and differential pairs, the single-ended inputs have a 2× gain applied.
Page 1 / Register 56: Reserved
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7–D0
R
XXXX XXXX
Reserved. Do not write to this register.
Page 1 / Register 57: Right ADC Input selection for Right PGA
READ/
RESET
BIT
DESCRIPTION(1)
WRITE
VALUE
D7
R/W
0
0: Do not bypass right PGA.
1: Bypass right PGA, unbuffered differential pair using the IN2R(P) as PLUS and IN3R(M) as MINUS
inputs.
D6
R/W
0
RCH_SELCM
0: Right ADC channel unselected inputs are not biased weakly to the ADC common-mode voltage.
1: Right ADC channel unselected inputs are biased weakly to the ADC common-mode voltage.
D5–D4
R/W
11
RCH_SEL3X; Differential Pair Using the IN1L(P) as PLUS and IN1R(M) as MINUS Inputs.
00: 0-dB setting is chosen.
01: –6 dB setting is chosen.
10–11: Not connected to the right ADC PGA
D3–D2
R/W
11
RCH_SEL2X; Differential Pair Using the IN2L(P) as PLUS and IN3L(M) as MINUS Inputs.
00: 0-dB setting is chosen.
01: –6-dB setting is chosen.
10–11: Not connected to the right ADC PGA
D1–D0
R/W
11
RCH_SEL1X; Used for the IN1L(P) Pin, Which Is Single-Ended
00: 0-dB setting is chosen.
01: –6-dB setting is chosen.
10–11: Not connected to the right ADC PGA
(1)
To maintain the same PGA output level for both single-ended and differential pairs, the single-ended inputs have a 2× gain applied.
Page 1 / Register 58: Reserved
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7–D0
R
XXXX XXXX
Reserved. Do not write to this register.
66
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s) :TLV320ADC3101
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