Input Current to Any Pin Except Supply ......................... –20mA to 20mA
Power Dissipation ....................................... See Dissipation Rating Table
Operating Virtual Junction Temperature Range, T
J
...... –40°C to +150°C
Operating Free-Air Temperature Range, T
A
.................... –40°C to +85°C
Storage Temperature Range, T
STG
................................ –65°C to +150°C
Lead Temperature 1.6mm (1/16 inch) from Case for 10sec ..................... 260°C
NOTES: (1) Stresses beyond those listed under "absolute maximum ratings"
may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those
indicated under "recommended operating conditions" is not implied. Exposure
to absolute-maximum-rated conditions of extended periods may affect device
reliability. (2) All voltage values are with respect to ground terminal.
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Texas
Instruments recommends that all integrated circuits be handled
with appropriate precautions. Failure to observe proper han-
dling and installation procedures can cause damage.
ESD damage can range from subtle performance degrada-
tion to complete device failure. Precision integrated circuits
may be more susceptible to damage because very small
parametric changes could cause the device not to meet its
published specifications.
PACKAGE/ORDERING INFORMATION
MAXIMUM
NO
INTEGRAL
MISSING
LINEARITY
CODES ERROR
ERROR (LSB)
(LSB)
(1)
±6
15
SPECIFIED
TEMPERATURE
RANGE
–40°C to 85°C
PRODUCT
ADS8325I
PACKAGE-
PACKAGE
LEAD
DESIGNATOR
(2)
MSOP-8
DGK
PACKAGE
MARKING
B25
ORDERING
NUMBER
ADS8325IDGKT
ADS8325IDGKR
ADS8325IBDGKT
ADS8325IBDGKR
ADS8325IDRBT
ADS8325IDRBR
ADS8325IBDRBT
ADS8325IBDRBR
TRANSPORT
MEDIA, QUANTITY
Tape and Reel, 250
Tape and Reel, 2500
Tape and Reel, 250
Tape and Reel, 2500
Tape and Reel, 250
Tape and Reel, 2500
Tape and Reel, 250
Tape and Reel, 2500
"
ADS8325IB
"
±4
"
16
"
MSOP-8
"
DGK
"
–40°C to 85°C
"
B25
"
ADS8325I
"
±6
"
15
"
SON-8
"
DRB
"
–40°C to 85°C
"
B25
"
ADS8325IB
"
±4
"
16
"
SON-8
"
DRB
"
–40°C to 85°C
"
B25
"
"
"
"
"
"
"
NOTE: (1) No Missing Codes Error specifies a 5V power supply and reference voltage. (2) For the most current specifications and package information, refer to
our web site at www.ti.com.
PACKAGE DISSIPATION RATING TABLE
PACKAGE
DGK
DRB
R
θ
JC
39.1°C/W
5°C/W
R
θ
JA
206.3°C/W
45.8°C/W
DERATING FACTOR
ABOVE T
A
= 25
°
C
4.847mW/°C
3.7mW/°C
T
A
≤
25
°
C
POWER RATING
606mW
370mW
T
A
= 70
°
C
POWER RATING
388mW
204mW
T
A
= 85
°
C
POWER RATING
315mW
148mW
EQUIVALENT INPUT CIRCUIT
V
DD
R
ON
20Ω
ANALOG IN
C
(SAMPLE)
20pF
REF
5kΩ
GND
Diode Turn-On Voltage: 0.35V
Equivalent Analog Input Circuit
GND
Equivalent Reference
Input Circuit
GND
V
DD
Shut-Down
Switch
V
DD
20pF
I/O
Equivalent Digital Input/Output Circuit
RECOMMENDED OPERATING CONDITIONS
MIN
Supply Voltage
GND to V
DD
Low-Voltage Levels
5V Logic Levels
2.7
4.5
2.5
–0.3
0
–40
0
TYP
5.0
MAX
3.6
5.5
V
DD
0.5
V
REF
125
UNIT
V
V
V
V
V
°C
Reference Input Voltage
Analog Input
Voltage
–IN
+IN – (–IN)
Operating Junction Temperature
Range, T
J
2
ADS8325
www.ti.com
SBAS226A
ELECTRICAL CHARACTERISTICS: V
DD
= +5V
Over recommended operating free-air temperature at –40°C to +85°C, V
REF
= +5V, –IN = GND, f
SAMPLE
= 100kHz, and f
CLK
= 24 • f
SAMPLE
, unless otherwise noted.
ADS8325I
PARAMETER
ANALOG INPUT
Full-Scale Range
Operating Common-Mode Signal
Input Resistance
Input Capacitance
Input Leakage Current
Differential Input Capacitance
Full-Power Bandwith
DC ACCURACY
Resolution
No Missing Code
Integral Linearity Error
Offset Error
Offset Error Drift
Gain Error
Gain Error Drift
Noise
Power-Supply Rejection
SAMPLING DYNAMICS
Conversion Time
Acquisition Time
Throughout Rate
Clock Frequency
AC ACCURACY
Total Harmonic Distortion
Spurious-Free Dynamic Range
Signal-to-Noise Ratio
Signal-to-Noise + Distortion
Effective Number of Bits
VOLTAGE REFERENCE INPUT
Reference Voltage
Reference Input Resistance
Reference Input Capacitance
Reference Input Current
CS = V
DD
DIGITAL INPUTS
(1)
Logic Family
High-Level Input Voltage
Low-Level Input Voltage
Input Current
Input Capacitance
DIGITAL OUTPUTS
(1)
Logic Family
High-Level Output Voltage
Low-Level Output Voltage
High-Impedance-State Output Current
Output Capacitance
Load Capacitance
Data Format
FSR
CONDITIONS
+IN – (–IN)
–IN = GND
–IN = GND, During Sampling
–IN = GND
+IN to –IN, During Sampling
f
S
Sinewave, SINAD at –3dB
16
15
±3
±0.75
±0.2
±0.3
20
3
6.667
1.875
0.024
THD
SFDR
SNR
SINAD
ENOB
5Vp-p Sinewave, at 1kHz
5Vp-p Sinewave, at 1kHz
5Vp-p Sinewave, at 1kHz
–100
–100
–90
–90
14.6
2.5
CS = GND, f
SAMPLE
= 0Hz
CS = V
DD
5
5
20
1
0.1
CMOS
V
IH
V
IL
I
IN
C
I
0.7 • V
DD
–0.3
V
I
= V
DD
or GND
5
CMOS
V
OH
V
OL
I
OZ
C
O
C
L
V
DD
= 4.5V, I
OH
= –100µA
V
DD
= 4.5V, I
OL
= 100µA
CS = V
DD
, V
I
= V
DD
or GND
4.44
0.5
±50
5
30
Straight Binary
✻
✻
✻
✻
✻
✻
V
DD
+ 0.3
0.3 • V
DD
±50
✻
✻
✻
✻
V
V
nA
pF
pF
V
DD
+ 0.3
✻
✻
✻
✻
✻
✻
✻
✻
✻
V
V
nA
pF
±6
±1.5
±24
✻
✻
✻
666.7
100
2.4
✻
✻
✻
–106
–108
–91
–91
14.7
✻
✻
✻
✻
MIN
0
–0.3
5
45
±50
20
20
✻
16
±1.5
±0.5
✻
±4
±1
±12
TYP
MAX
V
REF
0.5
MIN
✻
✻
✻
✻
✻
✻
✻
ADS8325IB
TYP
MAX
✻
✻
UNITS
V
V
GΩ
pF
nA
pF
kHz
Bits
Bits
LSB
mV
ppm/°C
LSB
ppm/°C
µVRMS
LSB
µs
µs
kSPS
MHz
dB
dB
dB
dB
Bits
V
kΩ
GΩ
pF
mA
µA
FSBW
NMC
INL
V
OS
TCV
OS
G
ERR
TCG
ERR
4.75V
≤
V
DD
≤
5.25
t
CONV
t
AQ
24kHz < f
CLK
≤
2.4MHz
f
CLK
= 2.4MHz
1.5
✻
✻
✻
indicates the same specifications as the ADS8325I.
NOTE: (1) Applies for 5.0V nominal supply: V
DD
(min) = 4.5V and V
DD
(max) = 5.5V.
ADS8325
SBAS226A
www.ti.com
3
ELECTRICAL CHARACTERISTICS: V
DD
= +2.7V
Over recommended operating free-air temperature at –40°C to +85°C, V
REF
= +2.5V, –IN = GND, f
SAMPLE
= 100kHz, and f
CLK
= 24 • f
SAMPLE
, unless otherwise noted.
ADS8325I
PARAMETER
ANALOG INPUT
Full-Scale Range
Operating Common-Mode Signal
Input Resistance
Input Capacitance
Input Leakage Current
Differential Input Capacitance
Full-Power Bandwith
DC ACCURACY
Resolution
No Missing Code
Integral Linearity Error
Offset Error
Offset Error Drift
Gain Error
Gain Error Drift
Noise
Power-Supply Rejection
SAMPLING DYNAMICS
Conversion Time
Acquisition Time
Throughout Rate
Clock Frequency
AC ACCURACY
Total Harmonic Distortion
Spurious-Free Dynamic Range
Signal-to-Noise Ratio
Signal-to-Noise + Distortion
Effective Number of Bits
VOLTAGE REFERENCE INPUT
Reference Voltage
Reference Input Resistance
Reference Input Capacitance
Reference Input Current
CS = V
DD
DIGITAL INPUTS
(1)
Logic Family
High-Level Input Voltage
Low-Level Input Voltage
Input Current
Input Capacitance
DIGITAL
Logic Family
High-Level Output Voltage
Low-Level Output Voltage
High-Impedance-State Output Current
Output Capacitance
Load Capacitance
Data Format
OUTPUTS
(1)
FSR
CONDITIONS
+IN – (–IN)
–IN = GND
–IN = GND, During Sampling
–IN = GND
+IN to –IN, During Sampling
f
S
Sinewave, SINAD at –3dB
16
NMC
INL
V
OS
TCV
OS
G
ERR
TCG
ERR
2.7V
≤
V
DD
≤
3.6V
t
CONV
t
AQ
24kHz < f
CLK
≤
2.4MHz
f
CLK
= 2.4MHz
6.667
1.875
0.024
THD
SFDR
SNR
SINAD
ENOB
2.5Vp-p Sinewave, at 1kHz
2.5Vp-p Sinewave, at 1kHz
2.5Vp-p Sinewave, at 1kHz
–94
–96
–85
–85
13.8
2.5
CS = GND, f
SAMPLE
= 0Hz
CS = V
DD
5
5
20
0.5
0.1
LVCMOS
V
IH
V
IL
I
IN
C
I
V
DD
= 3.6V
V
DD
= 2.7V
V
I
= V
DD
or GND
2
–0.3
5
LVCMOS
V
OH
V
OL
I
OZ
C
O
C
L
V
DD
= 2.7V, I
OH
= –100µA
V
DD
= 2.7V, I
OL
= 100µA
CS = V
DD
, V
I
= V
DD
or GND
V
DD
– 0.2
0.2
±50
5
30
Straight Binary
✻
✻
✻
✻
✻
✻
✻
V
DD
+ 0.3
0.8
±50
✻
✻
✻
✻
✻
V
V
nA
pF
pF
V
DD
+ 0.3
✻
✻
✻
✻
✻
✻
✻
✻
✻
✻
V
V
nA
pF
14
±3
±0.75
±3
±33
±0.3
20
7
±6
±1.5
MIN
0
–0.3
5
45
±50
20
4
✻
15
±1.5
±0.5
✻
±16
✻
✻
✻
±4
±1
TYP
MAX
V
REF
0.5
MIN
✻
✻
✻
✻
✻
✻
✻
Bits
Bits
LSB
mV
ppm/°C
LSB
ppm/°C
µVRMS
LSB
µs
µs
kSPS
MHz
✻
✻
–86
–85.5
13.9
✻
dB
dB
dB
dB
Bits
V
kΩ
GΩ
pF
mA
µA
ADS8325IB
TYP
MAX
✻
✻
UNITS
V
V
GΩ
pF
nA
pF
kHz
FSBW
666.7
100
2.4
0.75
✻
✻
indicates the same specifications as the ADS8325I.
NOTE: (1) Applies for 3.0V nominal supply: V
DD
(min) = 2.7V and V
DD
(max) = 3.6V.
4
ADS8325
www.ti.com
SBAS226A
ELECTRICAL CHARACTERISTICS
Over recommended operating free-air temperature at –40°C to 85°C, V
REF
= V
DD
, –IN = GND, f
SAMPLE
= 100kHz, and f
CLK
= 24 • f
SAMPLE
, unless otherwise noted.
ADS8325I
PARAMETER
POWER-SUPPLY REQUIREMENTS
Power Supply (V
DD)
Operating Supply Current (I
DD
)
Power-Down Supply Current (I
DD
)
Power Dissipation
Power Dissipation in Power-Down
✻
indicates the same specifications as the ADS8325I.
CONDITIONS
Low-Voltage Levels
5V Logic Levels
V
DD
= 3V
V
DD
= 5V
V
DD
= 3V
V
DD
= 5V
V
DD
= 3V
V
DD
= 5V
V
DD
= 3V, CS = V
DD
V
DD
= 5V, CS = V
DD
MIN
2.7
4.5
0.75
0.9
0.1
0.2
2.25
4.5
0.3
0.6
TYP
MAX
3.6
5.5
1.5
1.5
MIN
✻
✻
✻
✻
✻
✻
✻
✻
✻
✻
ADS8325IB
TYP
MAX
✻
✻
✻
✻
UNITS
V
V
mA
mA
µA
µA
mW
mW
µW
µW
4.5
7.5
✻
✻
PIN CONFIGURATION
Top View
MSOP
PIN DESCRIPTIONS
NAME
REF
+IN
–IN
PIN
1
2
3
4
5
6
7
8
I/O
AI
AI
AI
P
DI
DO
DI
P
DESCRIPTION
Reference Input
Noninverting Input
Inverting Analog Input
Ground
Chip Select when LOW, Shutdown Mode when
HIGH.
The serial output data word.
Data Clock synchronizes the serial data transfer
and determines conversion speed.
Power Supply
REF
+IN
–IN
GND
1
2
ADS8325
3
4
8
7
6
5
+V
DD
DCLOCK
D
OUT
CS/SHDN
GND
CS/SHDN
D
OUT
DCLOCK
V
DD
Top View
SON
NOTE: AI is Analog Input, DI is Digital Input, DO is Digital Output, and P is
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