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參數(shù)資料
| 型號： | TEA1097H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Speech and loudspeaker amplifier IC with auxiliary inputs/outputs and analog multiplexer |
| 中文描述： | TELEPHONE SPEECH CKT, PQFP44 |
| 封裝： | 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44 |
| 文件頁數(shù)： | 25/36頁 |
| 文件大小： | 167K |
| 代理商： | TEA1097H |
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1999 Apr 08
25
Philips Semiconductors
Product specification
Speech and loudspeaker amplifier IC with
auxiliary inputs/outputs and analog multiplexer
TEA1097
Logic inputs (pins HFC, AUXC, MUTT and MUTR)
V
IL
V
IH
I
i
LOW-level input voltage
HIGH-level input voltage
input current
for pins HFC and AUXC
for pins MUTT and MUTR
0.4
1.8
+0.3
V
BB
+ 0.4 V
V
3
2.5
6
6
μ
A
μ
A
Base microphone amplifier (pins TXIN, TXOUT and GATX)
; see note 1
G
v(TXIN-TXOUT)
voltage gain from pin TXIN to
TXOUT
voltage gain adjustment with
R
GATX
gain variation with frequency
referenced to 1 kHz
gain variation with temperature
referenced to 25
°
C
noise output voltage at pin
TXOUT; pin TXIN is shorted
through 200
in series with
10
μ
F to GNDTX (RMS value)
gain reduction if not activated
V
TXIN
= 3 mV (RMS);
R
GATX
= 30.1 k
13.15
14.85
16.55
dB
G
v
15
+16
dB
G
v(f)
f = 300 to 3400 Hz
±
0.1
dB
G
v(T)
T
amb
=
25 to +75
°
C
±
0.15
dB
V
no(TXOUT)(rms)
psophometrically
weighted (p53 curve)
101
dBVp
G
v(mute)
HFC = HIGH;
MUTT = LOW;
MUTR = LOW;
AUXC = LOW
60
80
dB
Loudspeaker amplifier (pins HFRX, LSAO, GALS and VOL)
; see note 1
G
v(HFRX-LSAO)
voltage gain from pin HFRX to
LSAO
voltage gain adjustment with
R
GALS
gain variation with frequency
referenced to 1 kHz
gain variation with temperature
referenced to 25
°
C
voltage gain variation related to
R
VOL
= 1.9 k
V
HFRX
= 20 mV (RMS);
R
GALS
= 255 k
25.5
28
30.5
dB
G
v
28
+7
dB
G
v(f)
f = 300 to 3400 Hz
±
0.3
dB
G
v(T)
T
amb
=
25 to +75
°
C
±
0.3
dB
G
v(vol)
3
dB
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)
output voltage (RMS value)
without external supply on pin
ESI
79
dBVp
V
LSAO(rms)
I
BB
= 0 mA; I
DD
= 1 mA
I
line
= 18 mA
I
line
= 30 mA
I
line
> 50 mA
0.9
1.2
1.6
V
V
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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