MAX128BCAI Maxim Integrated, MAX128BCAI Datasheet - Page 4

• Manufacturer Part Number: MAX128BCAI
• Description: Analog to Digital Converters - ADC Integrated Circuits (ICs)
• Manufacturer: Maxim Integrated

Specifications of MAX128BCAI

• Number Of Channels: 8
• Architecture: SAR
• Conversion Rate: 8 KSPs
• Resolution: 12 bit
• Input Type: Single-Ended
• Snr: Yes
• Interface Type: I2C, Serial
• Operating Supply Voltage: 4.75 V to 5.25 V
• Maximum Operating Temperature: + 70 C
• Package / Case: SSOP-28
• Maximum Power Dissipation: 762 mW
• Minimum Operating Temperature: 0 C
• Number Of Converters: 1
• Factory Pack Quantity: 46
• Voltage Reference: 4.096 V

Multirange, +5V, 12-Bit DAS with
2-Wire Serial Interface
ELECTRICAL CHARACTERISTICS (continued)
(V
T
4
Supply Voltage
A
REFERENCE INPUT (buffer disabled, reference input applied to REF)
Input Voltage Range
Input Current
Input Resistance
REFADJ Threshold for
Buffer Disable
POWER REQUIREMENTS
Supply Current
Power-Supply Rejection Ratio
(Note 7)
TIMING
External Clock Frequency Range
Conversion Time
Throughput Rate
Bandgap Reference
Start-Up Time
Reference Buffer Settling Time
DIGITAL INPUTS (SHDN, A2, A1, A0)
Input High Threshold Voltage
Input Low Threshold Voltage
Input Leakage Current
Input Capacitance
Input Hysteresis
DD
= T
_______________________________________________________________________________________
= +5V ±5%; unipolar/bipolar range; external reference mode, V
MIN
PARAMETER
to T
MAX
; unless otherwise noted. Typical values are at T
SYMBOL
t
PSRR
V
CONV
V
f
C
I
V
CLK
V
I
HYS
DD
DD
IN
IH
IL
IN
Normal mode, unipolar ranges
STANDBY power-down mode (Note 6)
V
4.18V
Normal or STANDBY power-down mode
FULL power-down mode
Normal mode, bipolar ranges
FULL power-down mode
External reference = 4.096V
Internal reference
Power-up (Note 8)
To 0.1mV, REF bypass
capacitor fully discharged
V
(Note 4)
REF
IN
= 0 or V
=
DD
Normal, or STANDBY
power-down mode
FULL power-down mode
CONDITIONS
A
= +25°C.)
REF
= 4.096V; 4.7µF at REF pin; external clock, f
C
C
REF
REF
= 4.7µF
= 33µF
V
DD
4.75
MIN
2.4
6.0
0.8
10
5
- 0.5
±0.1
±0.5
±0.1
TYP
700
120
200
7.7
0.2
60
6
8
MAX
±0.5
4.18
5.25
10.0
±10
400
850
220
0.4
2.4
18
10
15
CLK
1
8
= 400kHz;
UNITS
ksps
MHz
LSB
MΩ
mA
µA
kΩ
µA
ms
µA
µs
µs
pF
V
V
V
V
V
V