ADN8831ACPZ-R2 Analog Devices Inc, ADN8831ACPZ-R2 Datasheet - Page 7

• Manufacturer Part Number: ADN8831ACPZ-R2
• Description: IC THERMO COOLER CTRLR 32-LFCSP
• Manufacturer: Analog Devices Inc

Specifications of ADN8831ACPZ-R2

• Applications: Thermoelectric Cooler
• Current - Supply: 8mA
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-LFCSP
• Laser Driver Type: Thermoelectric Cooler
• Supply Current: 8mA
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: LFCSP
• No. Of Pins: 32
• Msl: MSL 1 - Unlimited
• Supply Current Max: 15mA
• Device Type: Laser Diode
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pin
No.
29
30
31
32
ILIMC
OUT1
OUT2
VREF
IN1M
IN2M
IN1P
IN2P
VTEC
VLIM
ILIMH
Mnemonic
ITEC
1
2
3
4
5
6
7
8
ADN8831
2.5V
CHOP2
CHOP1
2.5, V
2.0, 3.5 < V
1.5, V
REFERENCE
Type
Analog Output
Analog Output
Analog Input
Analog Input
DD
DD
AVDD
ILIMH VLIM
VB
>4.5V
< 3.5V
32
9
DD
10kΩ
VOLTAGE
< 4.5V
LIMIT
31
1.25V
1.25V
VB
1.25V
20kΩ
20kΩ
20kΩ
5kΩ
20kΩ
PHASE
10
VB
20kΩ
VTEC
Description
Indicates TEC Current.
Indicates TEC Voltage.
Sets Maximum TEC Voltage.
Sets TEC Heating Current Limit.
30
SFB
20kΩ
DETAILED BLOCK DIAGRAM
TEMPERATURE
5kΩ
1.25V
TMPGD
Figure 3. Detailed Block Diagram
GOOD
VC
11
25kΩ
Rev. 0 | Page 7 of 20
1kΩ
LFB
ITEC
AGND
29
20kΩ
12
SB
1kΩ
LFB
25kΩ
100kΩ
VB
ILIMH
ILIMC
ITEC
CS
SOFT-START
28
20kΩ
VC
250mV
g
g
g
m
m
m
2
3
1
2kΩ
VB
100kΩ
FREQ
13
OSCILLATOR
SS/SB
80kΩ
14
LINEAR AMPLIFIER
LFB
SYNCO
27
15
LNGATE
26
SYNCI/SD
DETECT
D
R
V
E
R
I
SD
SD
16
LPGATE
25
20
24
23
22
21
19
18
17
COMPSW
SFB
PGND
SNGATE
SW
SPGATE
PVDD
COMPOSC
ADN8831