hi7191 Intersil Corporation, hi7191 Datasheet - Page 4

• Manufacturer Part Number: hi7191
• Description: 24-bit, High Precision, Sigma Delta A/d Converter
• Manufacturer: Intersil Corporation

Absolute Maximum Ratings
Supply Voltage
Analog Input Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . AV
Digital Input, Output and I/O Pins . . . . . . . . . . . . . . DGND to DV
ESD Tolerance (No Damage)
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to 85°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
Electrical Specifications
SYSTEM PERFORMANCE
Integral Non-Linearity, INL
Differential Non-Linearity
Offset Error, V
Offset Error Drift
Full Scale Error, FSE
Noise, e
Common Mode Rejection Ratio, CMRR
Normal Mode 50Hz Rejection
Normal Mode 60Hz Rejection
Step Response Settling Time
ANALOG INPUTS
Input Voltage Range
Input Voltage Range
Common Mode Input Range
Input Leakage Current, I
Input Capacitance, C
Reference Voltage Range, V
(V
Transducer Burn-Out Current, I
CALIBRATION LIMITS
Positive Full Scale Calibration Limit
Negative Full Scale Calibration Limit
Offset Calibration Limit
Input Span
DIGITAL INPUTS
Input Logic High Voltage, V
Input Logic Low Voltage, V
1. θ
AV
AV
DV
DGND to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.3V
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .500V
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+100V
Charged Device Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . .1000V
REF
DD
SS
DD
JA
= V
to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -5.5V
is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
to AGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.5V
to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.5V
N
RHI
PARAMETER
OS
- V
RLO
IN
)
IN
IL
IH
REF
BO
4
AV
PGIA Gain = 1, OSC
DD
= +5V, AV
End Point Line Method (Notes 3, 5, 6)
(Note 2)
(See Table 1)
V
V
(See Table 1)
V
Filter Notch = 10Hz, 25Hz, 50Hz (Note 2)
Filter Notch = 10Hz, 30Hz, 60Hz (Note 2)
Unipolar Mode (Note 9)
Bipolar Mode (Note 9)
(Note 2)
V
(Note 11)
INHI
INHI
CM
IN
= AV
= 0V, V
= V
- V
DD
INLO
SS
INLO
TEST CONDITIONS
INHI
(Note 2)
= -5V, DV
SS
IN
= +2.5V (Notes 3, 5, 8, 10)
(Notes 3, 8)
= 10MHz, Bipolar Input Range Selected, f
= V
to AV
INLO
DD
DD
DD
HI7191
from -2V to +2V
= +5V, V
RHI
Thermal Information
Thermal Resistance (Typical, Note 1)
Maximum Junction Temperature
Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering, 10s). . . . . . . . . . . . . 300°C
PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Plastic Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
(SOIC - Lead Tips Only)
= +2.5V, V
0.2(V
- V
AV
RLO
REF
MIN
120
120
2.5
2.0
0
REF
-
-
-
-
-
-
-
-
-
-
-
-
-
-
SS
No Missing codes to 20-Bits
/Gain)
= AGND = 0V, V
N
= 10Hz
±0.0015
TYP
200
5.0
70
1
2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CM
1.2(V
1.2(V
1.2(V
2.4(V
= AGND,
±0.003
AV
V
V
MAX
REF
REF
REF
REF
1.0
0.8
REF
REF
4
5
-
-
-
-
-
-
-
-
-
-
DD
/Gain)
/Gain)
/Gain)
/Gain)
Conversions
θ
UNITS
μV/ °C
JA
June 1, 2006
%FS
LSB
dB
dB
dB
nA
nA
pF
V
V
V
V
V
V
125
FN4138.8
-
-
-
-
-
-
-
(°C/W)
75