AD7705BRZ Analog Devices Inc, AD7705BRZ Datasheet - Page 6

• Manufacturer Part Number: AD7705BRZ
• Description: IC ADC 16BIT 2CH 16-SOIC
• Manufacturer: Analog Devices Inc

Specifications of AD7705BRZ

• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Bits: 16
• Sampling Rate (per Second): 500
• Number Of Converters: 1
• Power Dissipation (max): 1mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.50mm Width)
• Resolution (bits): 16bit
• Input Channel Type: Differential
• Supply Current: 1.3mA
• Digital Ic Case Style: SOIC
• No. Of Pins: 16
• Operating Temperature Range: -40°C To +85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7705EBZ - BOARD EVALUATION FOR AD7705
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD7705/AD7706
Parameter
LOGIC INPUTS
LOGIC OUTPUTS (Including MCLK OUT)
SYSTEM CALIBRATION
AIN Input Sampling Rate, f
Reference Input Range
Input Current
All Inputs, Except SCLK and MCLK IN
SCLK Only (Schmitt-Triggered Input)
SCLK Only (Schmitt-Triggered Input)
MCLK IN Only
MCLK IN Only
Output Low Voltage, V
Output Low Voltage, V
Output High Voltage, V
Output High Voltage, V
Floating State Leakage Current
Floating State Output Capacitance
Data Output Coding
Positive Full-Scale Limit
Negative Full-Scale Limit
Offset Limit
Input Span
REF IN(+) − REF IN(−) Voltage
REF IN(+) − REF IN(−) Voltage
REF IN Input Sampling Rate, f
All Inputs, Except MCLK IN
MCLK IN
Input Low Voltage, V
Input High Voltage, V
V
V
V
V
V
V
Input Low Voltage, V
Input High Voltage, V
Input Low Voltage, V
Input High Voltage, V
T+
T−
T+
T+
T−
T+
− V
− V
T−
T−
16
15
OL
OL
15
INL
INL
INL
OH
OH
15
INH
INH
INH
S
S
14
B Version
Gain × f
f
1/1.75
1/3.5
f
±1
±10
0.8
0.4
2.0
1.4/3
0.8/1.4
0.4/0.8
1/2
0.4/1.1
0.375/0.8
0.8
3.5
0.4
2.5
0.4
0.4
4
V
±10
9
Binary
Offset binary
(1.05 × V
−(1.05 × V
−(1.05 × V
(0.8 × V
(2.1 × V
CLKIN
CLKIN
DD
− 0.6
/8
/64
REF
REF
CLKIN
REF
)/gain
)/gain
REF
REF
1
)/gain
/64
)/gain
)/gain
Rev. C | Page 6 of 44
Unit
V min/V max
V min/V max
μA max
μA max
V max
V max
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 max
V max
V min
V max
V min
V max
V max
V min
V min
μA max
pF typ
V max
V max
V max
V min
V max
Typically ±20 nA
Conditions/Comments
For gains of 1 to 4
For gains of 8 to 128
V
V
V
V
Typically ±2 μA
V
V
V
V
V
V
V
I
I
I
I
Unipolar mode
Bipolar mode
Gain is the selected PGA gain (1 to 128)
Gain is the selected PGA gain (1 to 128)
Gain is the selected PGA gain (1 to 128)
Gain is the selected PGA gain (1 to 128)
Gain is the selected PGA gain (1 to 128)
SINK
SINK
SOURCE
SOURCE
DD
REF
DD
REF
DD
DD
DD
DD
DD
DD
DD
= 2.7 V to 3.3 V
= 4.75 V to 5.25 V
= 5 V
= 3 V
= 3 V and 5 V
= 5 V nominal
= 3 V nominal
= 5 V nominal
= 3 V nominal
= 800 μA, except for MCLK OUT;
= 100 μA, except for MCLK OUT;
= 1.225 ± 1% for specified performance
= 2.5 ± 1% for specified performance
= 200 μA, except for MCLK OUT;
= 100 μA, except for MCLK OUT;
13
13
V
V
13
13
DD
DD
V
V
DD
DD
= 3 V
= 5 V
= 5 V
= 3 V