NCP2811AFCT1GEVB

NCP2811AFCT1GEVB
http://onsemi.com
4
Table 1. BILL OF MATERIALS
Item Part Description Ref. PCB
Footprint
Manufacturer Manufacturer Reference
1 NCP2811 Audio
Amplifier
ON Semiconductor NCP2811
2
SMD Resistor 10KW
R1, R2, R3, R4 0603 Panasonic ERJ3GEY103V
3 Ceramic Capacitor
1 mF 6.3 V X5R
C1, C2, C3, C4, C5 0603 Murata GRM185R60J105KA01
4 Stereo Connector U2 CUI Inc. SJ13515N
5 Jumper Header
Vertical Mount, 2
positions, 100mils
J16 100 mils Tyco Electronics / AMP 58266290
6 I/O Connector, 2
positions
J8, J19, J15 200 mils Phoenix Contact 1757242
7 Jumper Connector J18, J20 400 mils Harwin D3082B01
8 Not Mounted R5, J9, J10, J6,
J17,C6, C7
9 Shorted R6, R7 0603
NCP2811A OR NCP2811B CONFIGURATION
V.1 NCP2811A
Connect J11, J12. Put 10kohms on R1, R2, R3, R4. Disconnect J7, J14.
V.1 NCP2811B
Connect J7, J14. Disconnect J11, J12, R1, R2, R3, R4.
NCP2811 TEST PROCEDURE
Output Power:
1. Set Vp = 3.6 V to power supply connector (J16).
2. Set an 16 W load (resistance) on the output connectors (J8 and J17).
3. With the function generator, set a single ended signal at 1 kHz and 0.5 Vrms input signal on the left and right inputs.
Apply this signal J5 and J13 connectors.
a. On the NCP2811A, as R1 = R2 = R3 = R4 = 10k, OUTL_C and OUTR_C will see 0.5 Vrms. Place an
oscilloscope probe on each output. You should get 0.5 Vrms output signal with a “perfect sine wave”. That is to
say no clipping at the minima and maxima of the sine wave.
b. On the NCP2811B, the gain is internally set to -1.5 V/V, OUTL_C and OUTR_C will see 0.75 Vrms. Place an
oscilloscope probe on each output. You should get 0.75 Vrms output signal with a “perfect sine wave”. That is
to say no clipping at the minima and maxima of the sine wave.
Quiescent Current:
Check the quiescent current. Place an 16 W load on each output (J8, J17); no input signal. Vp set to 3.6 V and J16 closed.
You should measure around 6 mA.
NCP2811AFCT1GEVB
http://onsemi.com
5
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operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
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NCP2811AFCT1GEVB

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
BOARD EVAL NCP2811
Lifecycle:
New from this manufacturer.
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