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SA5752 数据表(PDF) 4 Page - NXP Semiconductors

部件名 SA5752
功能描述  Audio processor - companding, VOX and amplifier section
PDF  13 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

SA5752 数据表(HTML) 4 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
SA5752
Audio processor – companding, VOX and amplifier section
1997 Nov 07
4
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
RATING
UNIT
VCC
Power supply voltage range
-0.3 to 6
V
VIN
Voltage applied to any other pin
-0.3 to (VCC+0.3)
V
TSTG
Storage temperature
-65 to +150
oC
TA
Ambient operating temperature
-40 to +85
°C
DC ELECTRICAL CHARACTERISTICS
TA = 25oC, VCC = +3.0V, 0dB = 77.5mVRMS. See test circuit, Figure 6.
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VCC
Supply voltage
2.74
3.0
5.5
V
ICC
Supply current
No signal
Power down mode
3.1
125
4.0
mA
µA
ZL
Load impedance
pins NCANOUT, EXPOUT
50
k
Ω
COMPOUT1
10
k
Ω
ZIN
Input impedance
COMPIN, MICIN
40
50
60
k
Ω
EXPIN2
2.0
k
Ω
Noise cancellation current
Pin 6
25
µA
VOS
DC offset NCANOUT3
-50
–3.0
50
mV
NOTES:
1. Compressor is tested in production with 50k
Ω load.
2. Not tested in production.
3. Offset values are identical for both gain states of noise reduction circuit.
4. Operational down to VCC = 2V.
AC ELECTRICAL CHARACTERISTICS
TA = 25oC, VCC = +3.0V, 0dB level = 77.5mVRMS. See test circuit, Figure 6.
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Preamplifier gain range
Preamplifier voltage gain 0dB
Preamplifier voltage gain 40dB
Pin 2 open
Pin 2 AC ground
0
-1.0
39.0
0
40
40
1.0
41.0
dB
dB
dB
Preamplifier noise density
Pin 2 AC grounded
RS = 50k
Ω
unweighted 20Hz-20kHz
7
nV/
√Hz
weighted CCIR
DIN45405 20-20kHz
8
nV/
√Hz
Switch amplifier gain
9
10
11
dB
Compandor 1kHz, all tests1
COMPOUT
Compressor error at -21dB output level
Input level = -42dB
–1.0
–0.16
1.0
dB
COMPOUT
Compressor error at -10dB output level
Input level = -20dB
-1.0
–0.11
1.0
dB
COMPOUT
Compressor error at 0dB output level
Input level = 0dB
-1.5
+0.1
1.5
dB
COMPOUT
Compressor error at +5dB output level
Input level = +10dB
-1.0
+0.04
1.0
dB
COMPOUT
Compressor error at +10dB output level
Input level = +20dB
-1.0
+0.02
1.0
dB
EXPOUT
Expandor error at -42dB output level
Input level = -21dB
–1.0
–0.12
1.0
dB
EXPOUT
Expandor error at -21dB output level
Input level = -10.5dB
-1.0
+0.1
1.0
dB
EXPOUT
Expandor error at -10dB output level
Input level = -5dB
-1.0
+0.03
1.0
dB



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