ADS8326 Datasheet, PDF (6/31 Pages) Burr-Brown (TI) – 16-Bit, High-Speed, 2.7V to 5.5V microPower Sampling

ADS8326
SBAS343 – MAY 2007
www.ti.com
ELECTRICAL CHARACTERISTICS: V_DD = +2.7V (continued)
At –40°C to +85°C, V_REF = +2.5V, –IN = GND, f_SAMPLE = 200kHz, and f_DCLOCK = 24 × f_SAMPLE, unless otherwise noted.
ADS8326I
ADS8326IB
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
DIGITAL INPUTS⁽¹⁾
Logic family
LVCMOS
LVCMOS
High-level input voltage
Low-level input voltage
Input current
Input capacitance
DIGITAL OUTPUTS⁽¹⁾
V_IH V_DD = 3.6V
V_IL V_DD = 2.7V
I_IN V_I = V_DD or GND
C_I
2
–0.3
–50
V_DD + 0.3
0.8
2
–0.3
+50
–50
5
V_DD + 0.3
0.8
+50
5
Logic family
LVCMOS
LVCMOS
High-level output voltage
V_OH V_DD = 2.7V, I_OH = -100µA
V_DD– 0.2
V_DD– 0.2
Low-level output voltage
V_OL V_DD = 2.7V, I_OL = 100µA
0.2
0.2
High-impedance state
output current
I_OZ CS = V_DD, V_I = V_DD or GND
–50
+50
–50
+50
Output capacitance
C_O
Load capacitance
C_L
Data format
5
30
Straight
binary
5
30
Straight
binary
UNIT
V
V
nA
pF
V
V
nA
pF
pF
(1) Applies for 3.0V nominal supply: V_DD (min) = 2.7V and V_DD (max) = 3.6V.
ELECTRICAL CHARACTERISTICS
At –40°C to +85°C, –IN = GND, and f_DCLOCK = 24 × f_SAMPLE, unless otherwise noted.
ADS8326I
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
ANALOG INPUT
Power supply
Low-voltage levels
2.7
3.6
V_{DD 5V logic levels}
4.5
5.5
Operating supply current
Power-down supply current
Power dissipation
Power dissipation in power-down
V_DD = 2.7V, f_S = 10kHz,
f_DCLOCK = 4.8MHz
V_DD = 2.7V, f_S = 100kHz,
f_DCLOCK = 4.8MHz
I_DD
V_DD = 2.7V, f_S = 200kHz,
f_DCLOCK = 4.8MHz
V_DD = 5V, f_S = 200kHz,
f_DCLOCK = 6MHz
V_DD = 5V, f_S = 250kHz,
f_DCLOCK = 6MHz
I_DD ^{VDD = 2.7V}
V_DD = 5V
V_DD = 2.7V, f_S = 10kHz,
f_DCLOCK = 4.8MHz
V_DD = 2.7V, f_S = 100kHz,
f_DCLOCK = 4.8MHz
V_DD = 2.7V, f_S = 200kHz,
f_DCLOCK = 4.8MHz
V_DD = 5V, f_S = 200kHz,
f_DCLOCK = 6MHz
V_DD = 5V, f_S = 250kHz,
f_DCLOCK = 6MHz
V_DD = 2.7V, CS = V_DD
V_DD = 5V, CS = V_DD
0.065
0.69
1.38
1.9
2.0
0.1
0.2
0.18
1.86
3.73
9.5
10
0.3
0.6
0.085
1.0
2.0
2.7
3.0
0.23
2.7
5.4
13.5
15
ADS8326IB
MIN
TYP
MAX UNIT
2.7
3.6
V
4.5
5.5
V
0.065
0.085 mA
0.69
1.0 mA
1.38
2.0 mA
1.9
2.7 mA
2.0
3.0 mA
0.1
µA
0.2
µA
0.18
0.23 mW
1.86
2.7 mW
3.73
5.4 mW
9.5
13.5 mW
10
15 mW
0.3
µW
0.6
µW
6
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