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參數(shù)資料
| 型號(hào)： | TEA1098UH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Speech and handsfree IC |
| 中文描述： | TELEPHONE SPEECH CKT, UUC44 |
| 封裝： | DIE-44 |
| 文件頁數(shù)： | 26/40頁 |
| 文件大?。?/td> | 199K |
| 代理商： | TEA1098UH |
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1999 Oct 14
26
Philips Semiconductors
Product specification
Speech and handsfree IC
TEA1098
V
HFRX(rms)(max)
maximum input voltage at pin
HFRX (RMS value)
I
line
= 70 mA;
R
GALS
= 33 k
; for 2%
THD in the input stage
psophometrically weighted
(p53 curve)
580
mV
V
no(LSAO)(rms)
noise output voltage at pin
LSAO; pin HFRX is open-circuit
(RMS value)
gain reduction if not activated
output voltage (RMS value)
79
dBVp
G
v(mute)
V
LSAO(rms)
see Table 2
I
BB
= 0 mA; I
DD
= 1 mA
I
line
= 18 mA
I
line
= 30 mA
I
line
> 50 mA
60
80
dB
150
0.9
1.3
1.6
300
V
V
V
mA
I
LSAO(max)
maximum output current at pin
LSAO (peak value)
D
YNAMIC LIMITER
(
PINS
LSAO
AND
DLC)
t
att
attack time
when V
HFRX
jumps from
20 to 20 mV + 10 dB
when V
BB
jumps below
V
BB(th)
when V
HFRX
jumps from
20 mV + 10 dB to 20 mV
V
HFRX
= 20 mV + 10 dB;
t > t
att
5
ms
1
ms
t
rel
release time
100
ms
THD
total harmonic distortion
1
2
%
V
BB(th)
M
UTE RECEIVE
(
PIN
DLC)
V
BB
limiter threshold
2.7
V
V
DLC(th)
threshold voltage required on
pin DLC to obtain mute receive
condition
threshold current sourced by pin
DLC in mute receive condition
voltage gain reduction in mute
receive condition
0.4
+0.2
V
I
DLC(th)
V
DLC
= 0.2 V
100
μ
A
G
vrx(mute)
V
DLC
= 0.2 V
60
80
dB
TX
AND
RX
ENVELOPE AND NOISE DETECTORS
(
PINS
TSEN, TENV, TNOI, RSEN, RENV
AND
RNOI)
Preamplifiers
G
v(TSEN)
voltage gain from pin
TXIN to TSEN
voltage gain from pin
HFRX to RSEN
40
dB
G
v(RSEN)
0
dB
Logarithmic compressor and sensitivity adjustment
V
det(TSEN)
sensitivity detection on pin
TSEN; voltage change on pin
TENV when doubling the current
from TSEN
I
TSEN
= 0.8 to 160
μ
A
18
mV
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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