ISL1561 Datasheet, PDF (2/13 Pages) Intersil Corporation – 3 pin serial port interface

Pin Configuration
ISL1561
ISL1561
(24 LD QFN)
TOP VIEW
INPA 1
INPB 2
VCMAB 3
VCMCD 4
INPC 5
INPD 6
THERMAL
PAD
18 VSP
17 ^CPSW
16 CPP
15 CMM
14 CMSW
13 GND
Pin Descriptions
ISL1561
(24 Ld QFN)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
2
THERMAL PAD CONNECTS TO GROUND
PIN
NAME
INPA
INPB
VCMAB
VCMCD
INPC
INPD
CS
SCLK
FBD
OUTD
OUTC
FBC
GND
CMSW
CMM
CPP
CPSW
VSP
FBB
OUTB
OUTA
FBA
SDATA
BOOST
FUNCTION
Amplifier A non-inverting input
Amplifier B non-inverting input
Input common mode bias for port AB
Input common mode bias for port CD
Amplifier C non-inverting input
Amplifier D non-inverting input
Chip select, low enables data input to logic
Serial clock input
Feedback pin for amplifier D
Amplifier D output
Amplifier C output
Feedback pin for amplifier C
Ground
Internal negative boost supply
Internal negative supply
Internal positive supply
Internal positive boost supply
Positive supply voltage
Feedback pin for amplifier B
Amplifier B output
Amplifier A output
Feedback pin for amplifier A
Serial data write
Class G control input
FN7941.1
February 26, 2013