5V PRECISION DATA ACQUISITION
SUBSYSTEMS
1
2
3
4
5
6
7
8
TC530
TC534
ELECTRICAL CHARACTERISTICS:
Serial Port Interface: VCCD = +5V, unless otherwise specified.
TA = +25°C
TA = 0°C to +70°C
Symbol Parameter
Test Conditions
Min
Typ
Max
Min
Typ
Max Unit
VIH
VIL
IIN
Input Logic HIGH Level
2.5
—
—
—
—
—
—
0.8
10
2.5
—
—
—
—
—
—
—
—
0.8
—
V
V
Input Logic LOW Level
Input Current (DI, DO, DCLK
)
—
µA
V
VOL
Logic LOW Output Voltage
(EOC)
IOUT = 250µA
0.2
0.3
0.35
ELECTRICAL CHARACTERISTICS:
Serial Port Interface: VCCD = +5V, unless otherwise specified.
TA = +25°C
TA = 0°C to +70°C
Symbol Parameter
Test Conditions
Min
Typ
Max
Min
Typ
Max Unit
tR, tF
Rise and Fall Times
CL = 10pF
—
—
250
—
250
—
nsec
(EOC, DI, DO)
FXTL
FEXT
tRS
Crystal Frequency
—
—
—
—
—
—
—
—
—
—
2.0
4.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2.0
4.0
—
—
—
—
—
—
MHz
MHz
µsec
nsec
nsec
nsec
nsec
nsec
External Frequency on OSCIN
Read Setup Time
1
1
tRD
Read Delay Time
250
450
150
150
200
250
450
150
150
200
tDRS
tPWL
tPWH
tDR
DCLK to DOUT Delay
DCLK LOW Pulse Width
DCLK HIGH Pulse Width
Data Ready Delay
ELECTRICAL CHARACTERISTICS:
DC/DC Converter Section: VDD = +5V, unless otherwise specified.
TA = +25°C
TA = 0°C To +70°C
Symbol Parameter
Test Conditions
Min
Typ
Max
Min
Typ
Max Unit
ROUT
fCLK
Output Resistance
IOUT = 10mA
COSC = 0
—
—
—
65
100
—
85
—
10
—
—
—
—
—
—
100
—
Ω
Oscillator Frequency
VSS Output Current
kHz
mA
IOUT
10
ELECTRICAL CHARACTERISTICS:
, unless otherwise specified.
Multiplexer: VDD = +5V (Note 4)
TA = +25°C
TA = 0°C to +70°C
Symbol Parameter
Test Conditions
Min
Typ
Max
Min
Typ
Max Unit
VINMAX
RDS
Maximum Input Voltage
– 2.5
—
—
6
2.5
10
–2.5
—
—
—
2.5
—
V
Drain/Source ON Resistance
kΩ
ON
Notes: 1. Integrate time ≥ 66msec, Auto Zero time ≥ 66msec, VINT (pk) = 4V.
2. End point linearity at ±¹⁄₄, ±¹⁄₂, ±³⁄₄ F.S. after full scale adjustment.
3. Roll-over error is related to capacitor used for CINT (See "Recommended Suppliers for CINT", Table 2).
4. TC534 Only.
TELCOM SEMICONDUCTOR, INC.
3-49
TELCOM [ TELCOM SEMICONDUCTOR, INC ]
