LMH6642MFX/NOPB Audio Power Amplifier IC Op Amps Lo Pwr 130MHz 75mA RR Output Amp
audio preamplifier ic
,stereo amplifier ic chip
LMH6642MFX/NOPB Audio Power Amplifier IC Op Amps Lo Pwr 130MHz 75mA RR Output Amp
1 Features
- (VS =±5V,TA =25°C,RL =2kΩ,AV =+1. Typical Values Unless Specified).
-
−3dBBW(AV =+1)130MHz
-
Supply Voltage Range 2.7 V to 12.8 V
-
Slew Rate, (AV = −1) 130V/μs(1)
-
Supply Current (no load) 2.7 mA/amp
-
Output Short Circuit Current +115 mA to 145 mA
-
Linear Output Current ±75 mA
-
Input Common Mode Volt. 0.5 V Beyond V−, 1 V from V+
-
Output Voltage Swing 40 mV from Rails
-
Input Voltage Noise (100 kHz) 17nV/√Hz
-
Input Current Noise (100 kHz) 0.9pA/√Hz
-
THD(5MHz,RL=2kΩ,VO=2VPP,AV=+2)−62 dBc
-
Settling Time 68 ns
-
Fully Characterized for 3 V, 5 V, and ±5 V
-
Overdrive Recovery 100 ns
-
Output Short Circuit Protected(2)
-
No Output Phase Reversal with CMVR Exceeded
(1) Slew rate is the average of the rising and falling slew rates
(2) Output short circuit duration is infinite for VS < 6 V at room temperature and below. For VS > 6 V, allowable short circuit duration is 1.5 ms.
2 Applications
-
Active Filters
-
CD/DVD ROM
-
ADC Buffer Amp
-
Portable Video
-
Current Sense Buffer
3 Description
The LMH664X family true single supply voltage feedback amplifiers offer high speed (130 MHz), low distortion (−62 dBc), and exceptionally high output current (approximately 75 mA) at low cost and with reduced power consumption when compared against existing devices with similar performance.
Input common mode voltage range extends to 0.5 V below V− and 1 V from V+. Output voltage range extends to within 40 mV of either supply rail, allowing wide dynamic range especially desirable in low voltage applications. The output stage is capable of approximately 75 mA in order to drive heavy loads. Fast output Slew Rate (130 V/μs) ensures large peak-to-peak output swings can be maintained even at higher speeds, resulting in exceptional full power bandwidth of 40 MHz with a 3 V supply. These characteristics, along with low cost, are ideal features for a multitude of industrial and commercial applications.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
LMH6642 |
SOT-23 (5) |
2.90 mm × 1.60 mm |
|
SOIC (8) |
4.90 mm × 3.91 mm |
|
|
LMH6643 |
SOIC (8) |
3.00 mm × 3.00 mm |
|
VSSOP (8) |
||
|
LMH6644 |
SOIC (14) |
8.64 mm × 3.91 mm |
|
TSSOP (14) |
5.00 mm × 4.40 mm |
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