SA9122E
ELECTRICAL CHARACTERISTICS (Continued)
Parameter
Oscillator
Symbol Min
Recommended crystal:
TV colour burst crystal f = 3.5795 MHz
Typ
Max Unit Condition
Pin VREF
With R = 24kΩ
µA connected to VSS
Ref. Current
Ref. Voltage
-IR
VR
45
1.1
50
55
1.3
V
Referred to VSS
LCD backplane Voltage
VB
VDD &
R[0] ... R[3]
VSS
V
V
LCD segment Voltage
Vs
1/3 VDD
2/3 VDD
S[0] ... S[15]
Note1: Two additional bondout options at FOUT2 are available on request: fp/4 and
fp/16.
#
Extended Operating Temperature Range available on request.
PIN DESCRIPTION
PLCC-44 DIP-40 Designation Description
11
18
3
8
10
9
10
16
2
7
9
GND
VDD
VSS
IVN
IIN
Ground
Positive Supply Voltage
Negative Supply Voltage
Analog input for Voltage
Inputs for current sensor
8
IIP
42
41
14
15
16
17
4
38
37
12
13
14
15
3
OSC1
OSC2
CPON
CPOP
CPIN
CPIP
CIP
Connections for crystal or ceramic resonator
(OSC1 = Input ; OSC2 = Output)
Connections for outer loop capacitor of
A/D converter (Voltage)
Connections for inner loop capacitor of
A/D converter (Voltage)
Connections for inner loop capacitor of
A/D converter (Current)
5
4
CIN
6
7
13
2
5
6
11
1
COP
CON
VREF
RX
Connections for outer loop capacitor of
A/D converter (Current)
Connection for current setting resistor
Serial data input
44
43
40
39
FOUT2
FOUT1
Pulse rate outputs
4/12
sames
SAMES [ SAMES ]
