AD7730BRZ Analog Devices Inc, AD7730BRZ Datasheet - Page 49

• Manufacturer Part Number: AD7730BRZ
• Description: IC ADC BRIDGE TRANSDUCER 24-SOIC
• Manufacturer: Analog Devices Inc

Specifications of AD7730BRZ

• Data Interface: DSP, Serial, SPI™
• Number Of Bits: 24
• Sampling Rate (per Second): 1.2k
• Number Of Converters: 1
• Power Dissipation (max): 125mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (0.300", 7.50mm Width)
• Resolution (bits): 24bit
• Sampling Rate: 1.2kSPS
• Input Channel Type: Differential, Single Ended
• Supply Voltage Range - Analog: 4.75V To 5.25V
• Package: 24SOIC W
• Resolution: 24 Bit
• Architecture: Delta-Sigma
• Number Of Adcs: 1
• Number Of Analog Inputs: 2
• Digital Interface Type: Serial (3-Wire, SPI)
• Input Type: Voltage
• Signal To Noise Ratio: 123 dB
• Polarity Of Input Voltage: Unipolar|Bipolar
• Number Of Elements: 1
• Sample Rate: 1.2KSPS
• Input Polarity: Unipolar/Bipolar
• Differential Input: Yes
• Power Supply Requirement: Analog and Digital
• Single Supply Voltage (typ): 5V
• Single Supply Voltage (min): 4.75V
• 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: 125mW
• Integral Nonlinearity Error: 18ppm of FSR
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 24
• Package Type: SOIC W
• Input Signal Type: Differential
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7730LEBZ - BOARD EVALUATION FOR AD7730EVAL-AD7730EBZ - BOARD EVAL FOR AD7730
• Lead Free Status / Rohs Status: Compliant

Output
Data Rate Frequency
75 Hz
100 Hz
150 Hz
300 Hz
600 Hz
Output
Data Rate Frequency
75 Hz
100 Hz
150 Hz
300 Hz
600 Hz
REV. A
–3 dB
2.9 Hz
3.9 Hz
5.85 Hz
11.7 Hz
23.4 Hz
–3 dB
2.9 Hz
3.9 Hz
5.85 Hz
11.7 Hz
23.4 Hz
Table XXIV. Peak-to-Peak Resolution vs. Input Range and Update Rate (CHP = 0)
SF
Word
2048
1536
1024
512
256
SF
Word
2048
1536
1024
512
256
Table XXIII. Output Noise vs. Input Range and Update Rate (CHP = 0)
332 ms
332 ms
250 ms
166 ms
83 ms
41.6 ms
Settling Time
Normal Mode
250 ms
166 ms
83 ms
41.6 ms
Settling Time
Normal Mode
Peak-to-Peak Resolution in Counts (Bits)
Typical Output RMS Noise in nV
53.2 ms
40 ms
26.6 ms
13.3 ms
6.63 ms
Settling Time
Fast Mode
53.2 ms
40 ms
26.6 ms
13.3 ms
6.6 ms
Settling Time
Fast Mode
–49–
Input Range
= 80 mV
320
325
410
590
910
Input Range
= 80 mV
85k (16.5)
82k (16.5)
65k (16)
45k (15.5)
30k (15)
= 40 mV
245
275
370
= 40 mV
62k (16)
55k (15.5)
48k (15.5)
36k (15)
23k (14.5)
Input Range
215
580
Input Range
42k (15.5)
19k (14)
Input Range
= 20 mV
135
160
180
265
350
Input Range
= 20 mV
49k (15.5)
36k (15)
25k (14.5)
AD7730/AD7730L
Input Range
= 10 mV
100
110
130
180
220
Input Range
= 10 mV
33k (15)
30k (15)
25k (14.5)
18k (14)
15k (14)