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SPT
11
11/12/98
SPT9110
PIN ASSIGNMENTS
PIN FUNCTIONS
Name
Analog In
Invert InA
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
+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)
INVERTER analog ground
AGND (Ref)
Internal reference analog ground
Invert InB
Out+
Out-
CLK
NCLK
Ref In
Ref Out
AV
CC
(THA)
AV
CC
(INV)
AV
CC
(Ref)
AV
CC
(ESD)
PART NUMBER
SPT9110SIS
TEMPERATURE RANGE
-40 to +85
°
C
PACKAGE TYPE
28L SOIC
ORDERING INFORMATION
Signal Processing Technologies, Inc. reserves the right to change products and specifications without notice. Permission is hereby expressly
granted to copy this literature for informational purposes only. Copying this material for any other use is strictly prohibited.
WARNING - LIFE SUPPORT APPLICATIONS POLICY - SPT products should not be used within Life Support Systems without the specific
written consent of SPT. A Life Support System is a product or system intended to support or sustain life which, if it fails, can be reasonably
expected to result in significant personal injury or death.
Signal Processing Technologies believes that ultrasonic cleaning of its products may damage the wire bonding, leading to device
failure. It is therefore not recommended, and exposure of a device to such a process will void the product warranty.
AGND (THA)
AGND (THA)
Analog In
AGND (Sub)
AGND (THA)
AGND (Cap)
AGND (THA)
AGND (THA)
Ref In
Ref Out
AVCC (Ref)
AGND (Ref)
AGND (Sub)
AGND (INV)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Out+
AVCC (THA)
AVCC (INV)
Invert InB
Out-
AVCC (INV)
Invert InA
AVCC (THA)
AVCC (THA)
AVCC (THA)
AVCC (THA)
NCLK
CLK
AVCC (ESD)