AD7719 Analog Devices, AD7719 Datasheet - Page 5

• Manufacturer Part Number: AD7719
• Description: Low Voltage, Low Power, 16-/24-Bit, Dual Sigma Delta ADC
• Manufacturer: Analog Devices

Specifications of AD7719

• Resolution (bits): 24bit
• # Chan: 6
• Sample Rate: n/a
• Interface: Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni
• Ain Range: (2Vref) p-p,(2Vref/PGA Gain) p-p,(Vref) p-p
• Adc Architecture: Sigma-Delta
• Pkg Type: SOIC,SOP

Parameter
LOGIC INPUTS
LOGIC OUTPUTS (Excluding XTAL2)
I/O PORT
START-UP TIME
POWER REQUIREMENTS
REV. A
All Inputs Except SCLK and XTAL1
SCLK Only (Schmitt-Triggered Input)
XTAL1 Only
Input Currents
Input Capacitance
V
V
V
V
Floating-State Leakage Current
Floating-State Output Capacitance
Data Output Coding
V
V
Input Currents
Input Capacitance
V
V
V
V
Floating-State Output Leakage Current
Floating-State Output Capacitance
From Power-On
From Idle Mode
From Power-Down Mode
Power Supply Voltages
Power Supply Currents
OH
OL
OH
OL
INL
INH
OH
OL
OH
OL
V
V
V
V
V
V
V
V
V
V
V
V
AV
DV
DI
, Output Low Voltage
, Output Low Voltage
, Output Low Voltage
, Output Low Voltage
INL
INH
T(+)
T(–)
T(+)
T(+)
T(–)
T(+)
INL
INH
INL
INH
, Output High Voltage
, Output High Voltage
, Output High Voltage
, Output High Voltage
, Input Low Voltage
, Input High Voltage
DD
DD
DD
, Input Low Voltage
, Input Low Voltage
, Input Low Voltage
, Input High Voltage
, Input High Voltage
, Input High Voltage
– V
– V
11
Current (Normal Mode)
– AGND
– DGND
T(–)
T(–)
2
2
2
2
2
2
2
2
2
2
2
2
12
2
2
AD7719B
0.8
0.4
2.0
1.4/2
0.8/1.4
0.3/0.85
0.95/2
0.4/1.1
0.3/0.85
0.8
3.5
0.4
2.5
±10
–70
10
DV
0.4
4
0.4
±10
±10
Binary
Offset Binary
0.8
0.4
2.0
±10
–70
10
AV
0.4
4
0.4
±10
±10
300
1
1
300
2.7/3.6
4.75/5.25
2.7/3.6
4.75/5.25
0.6
0.75
DD
DD
– 0.6
– 0.6
–5–
V min
V min/V max
V min/V max
V min/V max
V min/V max
V min/V max
V min
V min
Unit
V max
V max
V min/V max
V max
V max
µA max
µA max
pF typ
V min
V max
V min
V max
µA max
pF typ
V max
V max
V min
µA max
µA max
pF typ
V min
V max
V min
V max
µA max
pF typ
ms typ
ms typ
ms typ
ms typ
V min/max
V min/max
V min/max
V min
mA max
mA max
Test Conditions
DV
DV
DV
DV
DV
DV
DV
DV
DV
DV
DV
DV
DV
V
V
and –20 µA at 3 V
All Digital Inputs
DV
DV
DV
DV
Unipolar Mode
Bipolar Mode
I/O Port Voltages Are with Respect to
AV
AV
AV
AV
V
V
and –20 µA at AV
All Digital Inputs
AV
AV
AV
AV
Osc. Active in Power-Down
Osc. Powered Down
AV
AV
DV
DV
DV
DV
IN
IN
IN
IN
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
= AGND, Typically –40 µA at AV
= DV
= DGND, Typically –40 µA at 5 V
= AV
and AGND
= 5 V
= 3 V
= 3 V or 5 V
= 3 V, I
= 3 V, I
= 5 V, I
= 5 V, I
= 3 V nom
= 5 V nom
= 5 V
= 3 V
= 3 V or 5 V
= 5 V
= 5 V
= 5 V
= 3 V
= 3 V
= 3 V
= 5 V
= 5 V
= 3 V
= 3 V
= 3 V, I
= 3 V, I
= 5 V, I
= 5 V, I
= 3 V nom
= 5 V nom
= 3 V, 0.5 mA typ
= 5 V, 0.6 mA typ
DD
DD
SOURCE
SINK
SOURCE
SINK
SOURCE
SINK
SOURCE
SINK
DD
= 100 µA
= 1.6 mA
= 100 µA
= 1.6 mA
= 3 V
= 100 µA
= 200 µA
= 100 µA
= 200 µA
AD7719
DD
= 5 V