TC7109ACLW Microchip Technology, TC7109ACLW Datasheet - Page 5

• Manufacturer Part Number: TC7109ACLW
• Description: IC ADC 12BIT HANDSHAKE 44PLCC
• Manufacturer: Microchip Technology

Specifications of TC7109ACLW

• Number Of Bits: 12
• Data Interface: Serial, Parallel
• Number Of Converters: 1
• Voltage Supply Source: Dual ±
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2006 Microchip Technology Inc.
TC7109/TC7109A ELECTRICAL SPECIFICATIONS (Continued)
Electrical Characteristics: All parameters with V+ = +5V, V- = -5V, GND = 0V, T
TC
I
I
V
TC
Digital
V
V
V
V
t
Note 1: Input voltages may exceed supply voltages if input current is limited to ±100μA.
HANDLING PRECAUTIONS: These devices are CMOS and must be handled correctly to prevent damage. Package
Symbol
+
S
W
and store only in conductive foam, antistatic tubes, or other conducting material. Use proper antistatic handling pro-
cedures. Do not connect in circuits under “power-on” conditions, as high transients may cause permanent damage.
REF
OH
OL
IH
IL
FS
REF
2: Connecting any digital inputs or outputs to voltages greater than V+ or less than GND may cause destructive device
3: This limit refers to that of the package and will not occur during normal operation.
Scale Factor Temperature Coefficient
Supply Current (V+ to GND)
Supply Current (V+ to V-)
Reference Out Voltage
Ref Out Temperature Coefficient
Output High Voltage
I
Output Low Voltage
Output Leakage Current
Control I/O Pull-up Current
Control I/O Loading
Input High Voltage
Input Low Voltage
Input Pull-up Current
Input Pull-down Current
Oscillator Output Current, High
Oscillator Output Current, Low
Buffered Oscillator Output Current High
Buffered Oscillator Output Current Low
Mode Input Pulse Width
OUT
latch-up. Therefore, it is recommended that inputs from sources other than the same power supply should not be applied
to the TC7109A before its power supply is established. In multiple supply systems, the supply to the device should be
activated first.
= 700μA
Parameter
Min
-2.4
2.5
60
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3.5
±0.01
-2.8
Typ
700
700
4.3
0.2
1.5
80
—
—
—
25
—
1
5
5
1
1
2
5
1500
1500
Max
-3.2
0.4
50
—
—
±1
—
—
—
—
—
—
—
—
—
—
1
5
A
= +25°C, unless otherwise indicated.
ppm/°C
μV/°C
nsec
Unit
mA
mA
mA
mA
μA
μA
μA
μA
μF
pF
μA
μA
μA
V
V
V
V
V
Reading, Ext Ref = 0ppm/°C
V
3.58MHz Test Circuit
Pins 2-21, 25, 26, 27, 29 Open
Referenced to V+, 25kΩ
Between V+ and Ref Out
25kΩ Between V+ and Ref Out
0°C ≤ T
TC7109: I
Pins 3 -16, 18, 19, 20
TC7109A: I
I
Pins 3 -16 High-Impedance
Pins 18, 19, 20 V
Mode Input at GND
HBEN, Pin 19; LBEN, Pin 18
Pins 18 -21, 26, 27
Referenced to GND
Pins 18-21, 26, 27
Referenced to GND
Pins 26, 27; V
Pins 17, 24; V
Pins 21, V
V
V
V
V
OUT
IN
IN
OUT
OUT
OUT
OUT
= 408.9mV = >7770
= 0V, Crystal Oscillator
TC7109/A
= 1.6mA
– 2.5V
– 2.5V
– 2.5V
– 2.5V
A
Test Conditions
≤ +70°C
OUT
OUT
OUT
DS21456C-page 5
OUT
OUT
= 100μA
= GND = +3V
= 700μA
OUT
= V+ – 3V
= V+ – 3V
= V+ – 3V
8