CS4412A-CNZ Cirrus Logic Inc, CS4412A-CNZ Datasheet - Page 15

• Manufacturer Part Number: CS4412A-CNZ
• Description: IC AMP AUDIO PWR 30W QUAD 48QFN
• Manufacturer: Cirrus Logic Inc
• Series: Popguard®r
• Type: Class Dr

Specifications of CS4412A-CNZ

• Output Type: 2-Channel (Stereo) or 4-Channel (Quad)
• Package / Case: 48-QFN
• Max Output Power X Channels @ Load: 30W x 1 @ 4 Ohm; 15W x 2 @ 8 Ohm
• Voltage - Supply: 8 V ~ 18 V
• Features: Depop, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Surface Mount
• Product: Class-D
• Output Power: 30 W
• Thd Plus Noise: 10 %
• Operating Supply Voltage: 2.5 V to 5 V
• Supply Current: 20 mA
• Maximum Power Dissipation: 66 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio - Load Impedance: 4 Ohms, 6 Ohms, 8 Ohms
• Audio Load Resistance: 8 Ohms, 4 Ohms
• Minimum Operating Temperature: - 20 C
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 2.375 V
• Amplifier Class: D
• No. Of Channels: 4
• Supply Voltage Range: 8V To 18V
• Load Impedance: 4ohm
• Operating Temperature Range: -10°C To +70°C
• Amplifier Case Style: QFN
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1581 - REFERENCE DESIGN FOR CS4412A
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1653

DS786A2
4.3
Output Mode Configuration
Each OUTx pin will switch in association with the corresponding INx pin. For most configurations, OUTx will
be non-inverted from INx; however, some INx pins can be configured for internal inversion to allow one
PWM input to drive both the positive and negative sides of a full-bridge output. Unused OUTx pins must
have their corresponding INx pin tied to ground.
Table 3
should remain static during operation (RST12 or RST34 set high).
In Stereo Half-Bridge and Mono Full-Bridge configurations, the PWM Popguard Transient Control only af-
fects the two half-bridge outputs, OUT1 and OUT2. The full-bridge output will not ramp regardless of the
state of the RAMP pin. See
trol.
CNFG2 CNFG1 CNFG0
* PWM Popguard Transient Control only affects OUT1 and OUT2.
0
0
0
0
1
1
1
1
shows the setting of the CNFG[2:0] inputs and the corresponding mode of operation. These pins
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
& Mono Full-Bridge
& Mono Full-Bridge
Mono Parallel Full-
Mono Parallel Full-
Stereo Half-Bridge
Stereo Half-Bridge
Stereo Full-Bridge
Stereo Full-Bridge
Section 4.2.1 on page 13
Quad Half-Bridge
Bridge Tied Load
Bridge Tied Load
With Inversion*
With Inversion
With Inversion
Description
Tied Loads*
Tied Loads
Tied Loads
Tied Loads
Tied Loads
Reserved
Table 3. Output Mode Configuration Options
IN1 must provide the PWM data for the first full-bridge.
IN2 must be inverted from IN1 for full-bridge operation.
IN3 must provide the PWM data for the second full-bridge.
IN4 must be inverted from IN3 for full-bridge operation.
IN1 must provide the PWM data for the first half-bridge.
IN2 must provide the PWM data for the second half-bridge.
IN3 must provide the PWM data for the mono full-bridge.
IN4 must be inverted from IN3 for full-bridge operation.
IN1 must provide the PWM data for the mono full-bridge.
IN2 must be wired directly to IN1 for parallel full-bridge operation.
IN3 must be inverted from IN1 for parallel full-bridge operation.
IN4 must be wired to IN3 for parallel full-bridge operation.
IN1 must provide the PWM data for the first half-bridge.
IN2 must provide the PWM data for the second half-bridge.
IN3 must provide the PWM data for the third half-bridge.
IN4 must provide the PWM data for the fourth half-bridge.
IN1 must provide the PWM data for the first full-bridge.
IN2 must be wired to IN1; the CS4412A will internally invert IN2.
IN3 must provide the PWM data for the second full-bridge.
IN4 must be wired to IN3; the CS4412A will internally invert IN4.
IN1 must provide the PWM data for the first half-bridge.
IN2 must provide the PWM data for the second half-bridge.
IN3 must provide the PWM data for the mono full-bridge.
IN4 must be wired to IN3; the CS4412A will internally invert IN4.
IN1 must be provided for half-bridge operation.
IN2 must be wired to IN1 for parallel full-bridge operation.
IN3 must be wired to IN1; the CS4412A will internally invert IN3.
IN4 must be wired to IN1; the CS4412A will internally invert IN4.
The input connections are not applicable.
for more details about PWM Popguard Transient Con-
Necessary Input Connections
CS4412A
15