HAP-S1
82
IC103 BD2231G-TR
IC405 PCM1795DBR
IC404, 413, 414 NJM2871BF33-TE2
VOUT
5
/OC
4
VIN 1
EN 3
GND 2
CHARGE
PUMP
DELAY
COUNTER
OVER-CURRENT
PROTECTION
THERMAL
SHUTDOWN
UNDER-VOLTAGE
LOCKOUT
/EN
– DAC Board –
IC403 MM1836A50NRE
VOUT
4
CONT 1
GND 2
NC 3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
5
VIN
4
VOUT
2
GND
3
NOISE
BYP
ASS
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
ZERO
DETECT
AUDIO
DATA INPUT
I/F
FUNCTION
CONTROL
I/F
x8
OVERSAMPLING
DIGITAL FILTER
AND
FUNCTION
CONTROL
ADVANCED
SEGMENT
DAC
MODULATOR
ZEROL 1
ZEROR 2
MSEL 3
LRCK 4
DATA 5
BCK 6
SCL 7
DGND 8
VDD 9
MS 10
MDI 11
SYSTEM
CLOCK
MANAGER
CURRENT
SEGMENT
DAC
BIAS
AND
VREF
POWER SUPPLY
MC 12
MDO 13
RST 14
VCC2R
15
AGND3R
16
IOUTR+
17
IOUTR–
18
AGND1
19
IREF
20
VCOMR
21
VCOML
22
VCC1
23
AGND2
24
AGND3L
27
VCC2L
28
CURRENT
SEGMENT
DAC
IOUTL+
25
IOUTL–
26