AD7671 Analog Devices, AD7671 Datasheet - Page 3

• Manufacturer Part Number: AD7671
• Manufacturer: Analog Devices

Specifications of AD7671

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 1MSPS
• Interface: Par,Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni
• Ain Range: Bip (Vref),Bip (Vref) x 2,Bip (Vref) x 4,Uni (Vref),Uni (Vref) x 2,Uni (Vref) x 4
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

TIMING SPECIFICATIONS
Parameter
Refer to Figures 11 and 12
REV. B
Parameter
POWER SUPPLIES
TEMPERATURE RANGE
NOTES
10
Specifications subject to change without notice.
Input Voltage
Range
± 4 REF
± 2 REF
± REF
0 V to 4 REF
0 V to 2 REF
0 V to REF
NOTES
1
2
3
1
2
3
4
5
6
7
8
9
Typical analog input impedance.
With REF = 3 V, in this range, the input should be limited to –11 V to +12 V.
For this range the input is high impedance.
Contact factory for extended temperature range.
LSB means least significant bit. With the ± 5 V input range, one LSB is 152.588 mV.
See Definition of Specifications section. These specifications do not include the error contribution from the external reference.
All specifications in dB are referred to a full-scale input FS. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
The max should be the minimum of 5.25 V and DVDD + 0.3 V.
In Warp Mode.
Tested in Parallel Reading Mode.
Tested with the 0 V to 5 V range and V
In Impulse Mode.
With OVDD below DVDD + 0.3 V and all digital inputs forced to DVDD or DGND, respectively.
Convert Pulsewidth
Time between Conversions
CNVST LOW to BUSY HIGH Delay
BUSY HIGH All Modes Except in Master Serial Read after
Aperture Delay
End of Conversion to BUSY LOW Delay
Conversion Time (Warp Mode/Normal Mode/Impulse Mode)
Acquisition Time
RESET Pulsewidth
Specified Performance
Operating Current
Power Dissipation
In Power-Down Mode
Specified Performance
(Warp Mode/Normal Mode/Impulse Mode)
Convert Mode (Warp Mode/Normal Mode/Impulse Mode)
AVDD
DVDD
OVDD
AVDD
DVDD
OVDD
2
6
6
6, 7
5
9
10
IND(4R)
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
– V
INGND
(–40 C to +85 C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.)
= 0 V. See Power Dissipation section.
Conditions
1 MSPS Throughput
666 kSPS Throughput
100 SPS Throughput
1 MSPS Throughput
T
MIN
Table I. Analog Input Configuration
INC(4R)
INGND
V
V
V
V
V
to T
IN
IN
IN
IN
IN
MAX
–3–
5
8
8
Symbol
t
t
t
t
t
t
t
t
t
1
2
3
4
5
6
7
8
9
INB(2R)
INGND
INGND
V
INGND
V
V
IN
IN
IN
Min
4.75
4.75
2.7
–40
Min
5
1/1.25/1.5
10
250
10
Typ
5
5
15
7.2
37
84
15
112
INA(R)
REF
REF
REF
INGND
INGND
V
IN
Typ
2
Max
5.25
5.25
5.25
95
125
7
+85
4
Max
Note 1
30
0.75/1/1.25
0.75/1/1.25
1.63 kW
948 W
711 W
Input
Impedance
948 W
711 W
Note 3
AD7671
Unit
V
V
V
mA
mA
mA
mW
mW
mW
mW
∞C
1
Unit
ns
ms
ns
ms
ns
ns
ms
ns
ns