AD9235BRUZ-20 Analog Devices Inc, AD9235BRUZ-20 Datasheet - Page 8

• Manufacturer Part Number: AD9235BRUZ-20
• Description: IC ADC 12BIT 20MSPS 28-TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD9235BRUZ-20

• Data Interface: Parallel
• Number Of Bits: 12
• Sampling Rate (per Second): 20M
• Number Of Converters: 3
• Power Dissipation (max): 90mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP (0.173", 4.40mm Width)
• Resolution (bits): 12bit
• Sampling Rate: 20MSPS
• Input Channel Type: Differential, Single Ended
• Supply Voltage Range - Analog: 2.7V To 3.6V
• Supply Current: 30mA
• Number Of Elements: 1
• Resolution: 12Bit
• Architecture: Pipelined
• Sample Rate: 20MSPS
• Input Polarity: Unipolar
• Input Type: Voltage
• Rated Input Volt: ±0.5/±1V
• Differential Input: Yes
• Power Supply Requirement: Single
• Single Supply Voltage (typ): 3V
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 3.6V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Power Dissipation: 110mW
• Differential Linearity Error: ±0.65LSB
• Integral Nonlinearity Error: ±0.8LSB
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• Package Type: TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AD9235BCP-65EBZ - BOARD EVAL FOR AD9235BCP-65AD9235BCP-40EBZ - BOARD EVAL FOR AD9235BCP-40AD9235BCP-20EBZ - BOARD EVAL FOR AD9235BCP-20AD9235-65PCB - BOARD EVAL FOR AD9235-65AD9235-40PCB - BOARD EVAL FOR AD9235-40AD9235-20PCB - BOARD EVAL FOR AD9235-20
• Lead Free Status / Rohs Status: Compliant

AD9235
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
Table 6. Pin Function Descriptions
Pin No.
28-Lead TSSOP
1
2
3
4
5
6
7, 12
8, 11
9
10
13
14
15 to 22, 25 to 28
23
24
SENSE
Figure 3. 28-Lead TSSOP Pin Configuration
MODE
PDWN
AGND
AGND
REFB
AVDD
AVDD
VREF
REFT
VIN+
VIN–
OTR
CLK
Pin No.
32-Lead LFCSP
21
22
23
24
25
26
27, 32
28, 31
29
30
2
4
7 to 14, 17 to 20
15
16
1, 3, 5, 6
10
11
12
13
14
1
2
3
4
5
6
7
8
9
(Not to Scale)
TOP VIEW
AD9235
28
26
25
24
23
22
21
20
19
18
17
16
15
27
Mnemonic
OTR
MODE
SENSE
VREF
REFB
REFT
AVDD
AGND
VIN+
VIN–
CLK
PDWN
D0 (LSB) to D11 (MSB)
DGND
DRVDD
DNC
D11 (MSB)
D10
D9
D8
DRVDD
DGND
D7
D6
D5
D4
D3
D2
D1
D0 (LSB)
Rev. C | Page 8 of 40
Description
Out-of-Range Indicator.
Data Format and Clock Duty Cycle Stabilizer (DCS) Mode Selection.
Reference Mode Selection.
Voltage Reference Input/Output.
Differential Reference (−).
Differential Reference (+).
Analog Power Supply.
Analog Ground.
Analog Input Pin (+).
Analog Input Pin (−).
Clock Input Pin.
Power-Down Function Selection (Active High).
Data Output Bits.
Digital Output Ground.
Digital Output Driver Supply. Must be decoupled to DGND with a minimum.
0.1 µF capacitor. Recommended decoupling is 0.1 µF in parallel with 10 µF.
Do Not Connect.
DNC = DO NOT CONNECT
(LSB)D0
Figure 4. 32-Lead LFCSP Pin Configuration
PDWN
DNC
DNC
DNC
DNC
CLK
D1
1
2
3
4
5
6
7
8
(Not to Scale)
PIN 1
INDICATOR
AD9235
TOP VIEW
24
23
22
21
20
19
18
17
VREF
SENSE
MODE
OTR
D11(MSB)
D10
D9
D8