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參數(shù)資料
| 型號(hào)： | TWL1110TQFP |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | VOICE-BAND AUDIO PROCESSOR VBAPE |
| 中文描述： | 語(yǔ)音頻帶音頻處理器VBAPE |
| 文件頁(yè)數(shù)： | 9/37頁(yè) |
| 文件大?。?/td> | 496K |
| 代理商： | TWL1110TQFP |
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TWL1110
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS103 – NOVEMBER 2000
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and free-air temperature (unless
otherwise noted) (continued)
digital interface
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
VOL
IIH
IIL
CI
CO
RL
High-level output voltage PCMO (BuzzCon)
IOH = –3.2 mA,
IOL = 3.2 mA,
VI = VDD
VI = VSS
VDD = 3 V
VDD = 3 V
DVDD –0.25
V
Low-level output voltage PCMO
0.25
V
μ
A
μ
A
pF
High-level input current, any digital input
10
Low-level input current, any digital input
10
Input capacitance
10
Output capacitance
20
pF
k
Load impedance (BuzzCon)
5
0
–50
5
10
15
20
25
30
35
40
45
0
50
100
0
–50
5
10
15
20
25
30
0
50
100
SUPPLY CURRENT
vs
FREE AIR TEMPERATURE
(Detector OFF)
SUPPLY CURRENT
vs
FREE AIR TEMPERATURE
(Detector ON)
D
I
S
–
A
μ
D
I
S
–
A
μ
TA – Free-Air Temperature –
°
C
TA – Free-Air Temperature –
°
C
VDD = 3.3 V
VDD = 3.0 V
VDD = 3.3 V
VDD = 3.0 V
VDD = 2.7 V
VDD = 2.7 V
microphone interface
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIO
IIB
Ci
Input offset voltage at MIC1N, MIC2N
See Note 4
–5
5
mV
Input bias current at MIC1N, MIC2N
–300
300
nA
Input capacitance at MIC1N, MIC2N
5
pF
Vn
Microphone input referred noise, psophometrically weighted,
(C-message weighted is similar)
MIC Amp 1 gain = 23.5 dB
MIC Amp 2 gain = 0 dB
3
4.7
μ
Vrms
IOmax
V(mbias)
Output source current – MBIAS
1
1.2
mA
Microphone bias supply voltage (see Note 5)
2.3
2.5
2.65
V
MICMUTE
–80
dB
k
Input impedance
Fully differential
35
60
100
NOTES:
4. Measured while MIC1P and MIC1N are connected together. Less than 0.5-mV offset results in 0 value code on PCMOUT.
5. Not a JEDEC symbol.
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| TWL1200ZQCR | 功能描述:轉(zhuǎn)換 - 電壓電平 SDIO UART & Audio Vltg-Level Xcvr RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
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