90074 Datasheet, PDF (5/16 Pages) Texas Instruments – Audio Power Amplifier Series Stereo High Fidelity 200 Volt Driver with Mute

Electrical Characteristics (LM4702C) Vcc = +50V, Vee = –50V (Notes 1,
2) (Continued)
The following specifications apply for I_MUTE = 1.5mA, Figure 1, unless otherwise specified. Limits apply for T_A = 25˚C.
Symbol
Parameter
Conditions
LM4702
Units
Typical Limit
(Limits)
R_S
Input Bias Resistor
Av
Closed Loop Voltage Gain
(Note 6) (Notes 7, 8)
50
100
26
kΩ (max)
dB (min)
Av open
Open Loop Gain
Vin = 1mVrms, f = 1KHz, C = 30pF
93
dB
Vom
Output Voltage Swing
THD = 0.05%, Freq = 20Hz to 20KHz
33
Vrms (min)
Vnoise
Output Noise
Rs = 10kΩ, LPF = 30kHz, Av = 30dB
A-weighted
150
300
µV (max)
90
µV
I_OUT
Output Current
Outputs Shorted
3
mA(min)
5.2
10
mA (max)
I_mute
Current into Mute Pin
To put part in “play” mode
1
mA(min)
1.5
2
mA (max)
X_TALK
SR
Channel Separation (Note 11) f = 1kHz at Av = 30dB
85
Slew Rate
V_IN = 1.2V_P-P, f = 10kHz square Wave,
15
Outputs shorted
dB
V/µs
V_OS
I_B
PSRR
Input Offset Voltage
Input Bias Current
Power Supply Rejection Ratio
V_CM = 0V, I_O = 0mA
V_CM = 0V, I_O = 0mA
Rs = 1k, f = 100Hz,
Vripple = 1Vrms, Input Referred
10
35
mV (max)
500
nA
110
95
dB (min)
Electrical Characteristics (LM4702B) Vcc = +100V, Vee = –100V (Notes 1, 2)
The following specifications apply for I_MUTE = 1.5mA, Figure 1, unless otherwise specified. Limits apply for T_A = 25˚C.
Symbol
Parameter
Conditions
LM4702
Units
Typical Limit
(Limits)
(Note 6) (Notes 7, 8)
Total Quiescent Power Supply
I_CC
Current
V_CM = 0V, V_O = 0V, I_O = 0A
27
35
mA (max)
THD+N
R_S
Av
Total Harmonic Distortion +
Noise
Input Bias Resistor
Closed Loop Voltage Gain
No load, A_V = 30dB
V_OUT = 20V_RMS @ 1kHz
0.0003
50
0.001
100
26
% (max)
kΩ (max)
dB (min)
Av open
Open Loop Gain
Vin = 1mVrms, f = 1KHz, C = 30pF
93
dB
Vom
Output Voltage Swing
THD = 0.05%, Freq = 20Hz to 20KHz
67
Vrms (min)
Vnoise
Output Noise
Rs = 10kΩ, LPF = 30kHz, Av = 30dB
A-weighted
150
300
µV (max)
90
I_OUT
Output Current
Outputs Shorted
3
mA(min)
5.5
8
mA (max)
I_mute
Current into Mute Pin
To put part in “play” mode
1
mA(min)
1.5
2
mA (max)
X_TALK
SR
Channel Separation (Note 11) f = 1kHz at Av = 30dB
87
Slew Rate
V_IN = 1.2V_P-P, f = 10kHz square Wave,
17
Outputs shorted
85
dB (min)
15
V/µs (min)
V_OS
I_B
PSRR
Input Offset Voltage
Input Bias Current
Power Supply Rejection Ratio
V_CM = 0V, I_O = 0mA
V_CM = 0V, I_O = 0mA
Rs = 1k, f = 100Hz,
Vripple = 1Vrms, Input Referred
14
40
mV (max)
200
nA (max)
110
100
dB (min)
5
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