PIN ASSIGNMENTS
PIN FUNCTIONS
Name
Function
Single-ended analog input to the THA
Inverting input A to inverting amplifier
resistor R1
Inverting input B to inverting amplifier
resistor R2
Single-ended output of the THA
Output from the inverting amplifier
Noninverting differential PECL clock input
Inverting differential PECL clock input
Common-mode reference for the inverting
amplifier
Internal +2.5 V reference output
Track-and-hold analog +5 V supply
Inverter +5 V supply
Internal reference +5 V supply
AGND (THA)
AGND (THA)
1
2
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CLK
NCLK
AVCC (THA)
Analog In
Invert InA
Invert InB
Analog In 3
AGND (Sub)
4
AVCC (THA)
AVCC (THA)
AVCC (THA)
AVCC (THA)
Out+
Invert InA
Invert InB
Out-
AVCC (INV)
AVCC (INV)
AVCC (ESD)
AGND (THA) 5
AGND (Cap)
AGND (THA)
AGND (THA)
Ref In
6
7
8
9
Out+
Out-
CLK
NCLK
Ref In
Ref Out
AV
CC
(THA)
AV
CC
(INV)
AV
CC
(Ref)
Ref Out 10
AVCC (Ref) 11
AGND (Ref) 12
AGND (Sub) 13
AGND (INV) 14
AV
CC
(ESD) +5 V supply for ESD protection diodes
AGND (THA) Track-and-hold analog ground
AGND (Cap) Hold capacitor analog ground
AGND (Sub) Substrate analog ground
AGND (INV)
AGND (Ref)
INVERTER analog ground
Internal reference analog ground
ORDERING INFORMATION
PART NUMBER
SPT9110SIS
TEMPERATURE RANGE
-40 to +85
°C
PACKAGE TYPE
28L SOIC
SPT9110
11
11/12/98
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
