AD1994ACPZ Analog Devices Inc, AD1994ACPZ Datasheet - Page 6

• Manufacturer Part Number: AD1994ACPZ
• Description: IC AMP AUDIO PWR 25W 64LFCSP
• Manufacturer: Analog Devices Inc
• Type: Class Dr

Specifications of AD1994ACPZ

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 25W x 2 @ 6 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 64-LFCSP
• Operational Class: Class-D
• Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo
• Output Power (typ): 50x1@3Ohm/25x2@6OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.003@1W%
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 5/20V
• Supply Current (max): 260@12V/27@5V/7@5VmA
• Power Supply Requirement: Triple
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 65dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 4.5/6.5V
• Dual Supply Voltage (max): 5.5/22.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: LFCSP EP
• For Use With: EVAL-AD1994EBZ - BOARD EVAL FOR AD1994
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD1994
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 9. Pin Function Descriptions
Pin No.
1, 2, 3
4, 5, 6
7, 8, 9, 10
11, 12, 13
14, 15, 16
17
18
19
20
21
22
23, 26
24, 25
27
28
29
30
31
32
33, 34, 35
36, 37, 38
39, 40, 41, 42
43, 44, 45
46, 47, 48
49
Mnemonic
PGND1
OUTL+
PVDD1
OUTL−
PGND1
ERR2
ERR1
MODL/ERR0
MODR/DCTRL2
DCTRL1
DCTRL0
DGND
DVDD
CLKI
CLKO
MUTE
RESET
PGA1
PGA0
PGND2
OUTR−
PVDD2
OUTR+
PGND2
MOD_EN
In/Out
O
O
O
O
O
I/O
I
I
I
O
I
I
I
I
O
O
I
NC = NO CONNECT
PGND1
PGND1
PGND1
PGND1
PGND1
PGND1
OUTL+
OUTL+
OUTL+
PVDD1
PVDD1
PVDD1
PVDD1
OUTL–
OUTL–
OUTL–
10
11
12
13
14
15
16
Description
Negative Power Supply. Used for the A2 and B2 high power transistors.
Output of Transistor Pair A1 and A2.
Positive Power Supply. Used for the A1 and B1 high power transistors.
Output of Transistor Pair B1 and B2.
Negative Power Supply. Used for the A2 and B2 high power transistors.
Active Low Thermal Shutdown.
Active Low Thermal Warning Error Output.
Active Low Overcurrent Error Output/Modulator Output Left.
Nonoverlap Time Setting MSB/Modulator Output Right.
Nonoverlap Time Setting.
Nonoverlap Time Setting LSB.
Negative Power Supply for Low Power Digital Circuitry.
Positive Power Supply for Low Power Digital Circuitry.
Clock Input for 256 × f
Inverted Version of CLKI for Use with an External XTAL Oscillator.
Active Low Mute Input.
Active Low Reset Input.
PGA Gain Control MSB.
PGA Gain Control LSB.
Negative Power Supply for High Power Transistors C2 and D2.
Output of Transistor Pair D1 and D2.
Positive Power Supply for High Power Transistors C1 and D1.
Output of Transistor Pair C1 and C2.
Negative Power Supply for High Power Transistors C2 and D2.
Modulator Mode Enable Pin when Pulled to Logic High.
1
2
3
4
5
6
7
8
9
PIN 1
INDICATOR
Figure 3. Pin Configuration
Rev. 0 | Page 6 of 24
(Not to Scale)
AD1994
TOP VIEW
S
Audio Modulator Clock.
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
PGND2
PGND2
PGND2
OUTR+
OUTR+
OUTR+
PVDD2
PVDD2
PVDD2
PVDD2
OUTR–
OUTR–
OUTR–
PGND2
PGND2
PGND2