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PDF MCZ34119 Data sheet ( Hoja de datos )
| Número de pieza | MCZ34119 | |
| Descripción | Low Power Audio Amplifier | |
| Fabricantes | Freescale Semiconductor | |
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Freescale Semiconductor
Technical Data
Low Power Audio Amplifier
The 34119 is a low power audio amplifier integrated circuit
intended for telephone applications, such as in speakerphones. It
provides differential speaker outputs to maximize output swing at low
supply voltages (2.0 V minimum). Coupling capacitors to the speaker
are not required. Open loop gain is 80 dB, and the closed loop gain
is set with two external resistors. A Chip Disable pin permits powering
down and/or muting the input signal.
Features
• Wide Operating Supply Voltage Range (2.0 V to 16 V), Allows
Telephone Line Powered Applications
• Low Quiescent Supply Current (2.7 mA Typ) for Battery Powered
Applications
• Chip Disable Input to Power Down the IC
• Low Power--Down Quiescent Current (65 µA Typ)
• Drives a Wide Range of Speaker Loads (8.0 Ω and Up)
• Output Power Exceeds 250 mW with 32 Ω Speaker
• Low Total Harmonic Distortion (0.5% Typ)
• Gain Adjustable from <0 dB to >46 dB for Voice Band
• Requires Few External Components
• Pb-Free Packaging Designated by Suffix Code EF
Document Number: MC34119
Rev. 3.0, 12/2006
34119
LOW POWER AUDIO AMPLIFIER
D SUFFIX
EF SUFFIX (PB-FREE)
98ASB42564B
8-PIN SOICN
ORDERING INFORMATION
Device
MC34119D/R2
MCZ34119EF/R2
Temperature
Range (TA)
-20°C to 70°C
Package
8 SOICN
www.DataSheet4U.com
Audio
Input
VIN
4
3
FC1
34199
CC
6 V01
5
V02
8
2
FC2
1 CD
7
GND
Chip
Disable
Figure 1. 34119 Simplified Application Diagram
Freescale Semiconductor, Inc. reserves the right to change the detail specifications,
as may be required, to permit improvements in the design of its products.
© Freescale Semiconductor, Inc., 2007. All rights reserved.
1 page  
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
Characteristics noted under conditions -1.0 V ≤ VCC ≤ 18 V, -20°C ≤ TA ≤ 70°C, GND = 0 V unless otherwise noted. Typical
values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.
Characteristic
Symbol Min Typ Max Unit
AMPLIFIERS
Output DC Level @ VO1, VO2, VCC = 3.0 V, RL = 16 (RF = 75 k)
VCC = 6.0 V
VCC = 12 V
Output Level
High (IOUT = -75 mA, 2.0 V ≤ VCC ≤ 16 V)
Low (IOUT = 75 mA, 2.0 V ≤ VCC ≤ 16 V)
Output DC Offset Voltage (VO1 - VO2)
(VCC = 6.0 V, RF = 75 kΩ, RL = 32Ω)
Input Bias Current @ VIN (VCC = 6.0 V)
Equivalent Resistance
@ FC1 (VCC = 6.0 V)
@ FC2 (VCC = 6.0 V)
CHIP DISABLE
VO(3)
VO(6)
VO(12)
VOH
VOL
∆VO
IIB
RFC1
RFC2
1.0 1.15 1.25
- 2.65 -
- 5.65 -
- VCC - 1.0 -
- 0.16 -
-30 0.0
30
-
-100
-200
100 150 220
18 25 40
V
V
mV
nA
kΩ
Input Voltage
Low
High
Input Resistance (VCC = VCD = 16 V)
POWER SUPPLY
V
VIL - - 0.8
VIH 2.0 - -
RCD 50 90 175 kΩ
Power Supply Current
∞(VCC = 3.0 V, RL = , CD = 0.8 V)
∞www.DataS(hVeCeCt4=U1.6coVm, RL = , CD = 0.8 V)
∞(VCC = 3.0 V, RL = , CD = 2.0 V)
ICC3
ICC16
ICCD
- 2.7 4.0 mA
- 3.3 5.0 mA
- 65 100 µA
TYPICAL TEMPERATURE PERFORMANCE (-20°C < TA < 70°C)
Input Bias Current @ VIN
Total Harmonic Distortion
(VCC = 6.0 V, RL = 32Ω, POUT = 125 mW, f = 1.0 kHz)
Power Supply Current
∞(VCC = 3.0 V, RL = , CD = 0 V
∞(VCC = 3.0 V, RL = , CD = 2.0 V)
IIN - ±40 - pA/°C
THD
- ±0.003 -
%/°C
ICC µA/°C
- -2.5 -
- -0.03 -
Analog Integrated Circuit Device Data
Freescale Semiconductor
34119
5
5 Page 
ELECTRICAL CHARACTERISTICS
ELECTRICAL PERFORMANCE CURVES
Audio Input
CI
0.1
RI
3.0 k
VIN 4
FC1 3
Rf 75 k
6 VCC (+1.0 V to +8.0 V)
--
#1
+ 4.0 k 4.0 k
5 VO1
Speaker
50 k
FC2 2 125 k
50 k
--
#2
8 VO2
+
Bias 1 CD
Circuit
7
VEE
(--1.0 V to --8.0 V)
10 k VCC
NOTE: If VCC and VEE are not symmetrical about ground then FC1 must be
connected through a capacitor to ground as shown on the front page.
VEE
Figure 28. Split Supply Operation
4700
20 k
Chip Disable
20 k
www.DataSheet4U.com
Analog Integrated Circuit Device Data
Freescale Semiconductor
34119
11
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet MCZ34119.PDF ] | |
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