AD7705BR Analog Devices Inc, AD7705BR Datasheet - Page 5

• Manufacturer Part Number: AD7705BR
• Description: A/D Converter (A-D) IC
• Manufacturer: Analog Devices Inc

Specifications of AD7705BR

• Mounting Type: Surface Mount
• No. Of Channels: 2
• Peak Reflow Compatible (260 C): No
• Supply Voltage: 3.3V
• No. Of Bits: 16 Bit
• Leaded Process Compatible: No
• Features: 3V/5V, 1mW, 2?Channel, 16?Bit
• Rohs Status: RoHS non-compliant
• Number Of Bits: 16
• Sampling Rate (per Second): 500
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 1mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SOIC (0.300", 7.50mm Width)
• Number Of Elements: 1
• Resolution: 16Bit
• Architecture: Delta-Sigma
• Sample Rate: 0.5KSPS
• Input Polarity: Unipolar/Bipolar
• Input Type: Voltage
• Differential Input: Yes
• Power Supply Requirement: Single
• Single Supply Voltage (typ): 3/5V
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.25V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Power Dissipation: 1mW
• Integral Nonlinearity Error: ±0.003%FSR
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: SOIC W
• Input Signal Type: Differential
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: EVAL-AD7705EBZ - BOARD EVALUATION FOR AD7705
• Lead Free Status / Rohs Status: Not Compliant

SPECIFICATIONS
V
otherwise noted. All specifications T
Table 1.
Parameter
STATIC PERFORMANCE
ANALOG INPUTS/REFERENCE INPUTS
DD
No Missing Codes
Output Noise
Integral Nonlinearity
Unipolar Offset Error
Unipolar Offset Drift
Bipolar Zero Error
Bipolar Zero Drift
Positive Full-Scale Error
Full-Scale Drift
Gain Error
Gain Drift
Bipolar Negative Full-Scale Error
Bipolar Negative Full-Scale Drift
Common-Mode Rejection (CMR)
Normal-Mode 50 Hz Rejection
Normal-Mode 60 Hz Rejection
Common-Mode 50 Hz Rejection
Common-Mode 60 Hz Rejection
Absolute/Common-Mode REF IN
Absolute/Common-Mode AIN
Absolute/Common-Mode AIN
AIN DC Input Current
AIN Sampling Capacitance
AIN Differential Voltage Range
= 3 V or 5 V, REF IN(+) = 1.225 V with V
V
V
Voltage
Voltage
Voltage
DD
DD
Gain = 1
Gain = 2
Gain = 4
Gain = 8 to 128
Gain = 1
Gain = 2
Gain = 4
Gain = 8 to 128
= 5 V
= 3 V
4, 8
3, 7
2
2, 9, 10
2, 9
4, 6
4
3
4
3
2
2
3, 5
2
2
2
11
4
2
2
2
2
MIN
to T
B Version
16
See Table 5 and
Table 7
±0.003
0.5
0.5
0.1
0.5
0.5
±0.003
1
0.6
96
105
110
130
105
110
120
130
98
98
150
150
GND to V
GND − 100 mV
V
GND + 50 mV
V
1
10
0 to +V
±V
DD
DD
REF
MAX
+ 30 mV
− 1.5 V
DD
/gain
, unless otherwise noted.
REF
= 3 V, and 2.5 V with V
DD
/gain
1
12
Rev. C | Page 5 of 44
Unit
Bits min
% of FSR max
μV/°C typ
μV/°C typ
μV/°C typ
μV/°C typ
ppm of FSR/°C
typ
% of FSR typ
μV/°C typ
μV/°C typ
dB typ
dB typ
dB typ
dB typ
dB typ
dB typ
dB typ
dB typ
dB typ
dB typ
dB typ
dB typ
V min to V max
V min
V max
V min
V max
nA max
pF max
nom
nom
DD
= 5 V; REF IN(−) = GND; MCLK IN = 2.4576 MHz, unless
Conditions/Comments
Guaranteed by design, filter notch < 60 Hz
Depends on filter cutoffs and selected gain
Filter notch < 60 Hz, typically ±0.0003%
For gains 1, 2, and 4
For gains 8, 16, 32, 64, and 128
Typically ±0.001%
For gains of 1 to 4
For gains of 8 to 128
Specifications for AIN and REF IN, unless otherwise
noted
For filter notches of 25 Hz, 50 Hz, ±0.02 × f
For filter notches of 20 Hz, 60 Hz, ±0.02 × f
For filter notches of 25 Hz, 50 Hz, ±0.02 × f
For filter notches of 20 Hz, 60 Hz, ±0.02 × f
BUF bit of setup register = 0
BUF bit of setup register = 1
Unipolar input range (B/U bit of setup register = 1)
Bipolar input range (B/U bit of setup register = 0)
AD7705/AD7706
NOTCH
NOTCH
NOTCH
NOTCH