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參數資料
| 型號： | FDW2520C |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Thermoelectric Cooler Controller |
| 中文描述： | 熱電冷卻器控制器 |
| 文件頁數： | 2/24頁 |
| 文件大小： | 416K |
| 代理商： | FDW2520C |
REV. C
–2–
ADN8830–SPECIFICATIONS
(@ V
= 3.3 V to 5.0 V, V
= 0 V, T
= 25 C, T
= 25 C, using typical application
configuration as shown in Figure 1, unless otherwise noted.)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
TEMPERATURE STABILITY
Long-Term Stability
Using 10 k
thermistor with
=
–
4.4% at 25
°
C
0.01
°
C
PWM OUTPUT DRIVERS
Output Transition Time
Nonoverlapping Clock Delay
Output Resistance
Output Voltage Swing
Output Voltage Ripple
Output Current Ripple
t
R
, t
F
C
L
= 3,300 pF
20
65
6
ns
ns
V
%
%
50
R
O
(N1, P1)
OUT A
OUT A
I
TEC
I
L
= 50 mA
V
LIM
= 0 V
f
CLK
= 1 MHz
f
CLK
= 1 MHz
0
V
DD
0.2
0.2
LINEAR OUTPUT AMPLIFIER
Output Resistance
R
O, P2
R
O, N2
OUT B
I
OUT
= 2 mA
I
OUT
= 2 mA
85
178
V
Output Voltage Swing
0
V
DD
POWER SUPPLY
Power Supply Voltage
Power Supply Rejection Ratio
V
DD
PSRR
3.0
80
60
5.5
V
dB
dB
mA
mA
μ
A
μ
A
V
V
DD
= 3.3 V to 5 V, V
TEC
= 0 V
–
40
°
C
≤
T
A
≤
+85
°
C
PWM not switching
–
40
°
C
≤
T
A
≤
+85
°
C
Pin 10 = 0 V
92
Supply Current
I
SY
8
12
15
Shutdown Current
Soft-Start Charging Current
Undervoltage Lockout
I
SD
I
SS
V
OLOCK
5
15
2.0
Low-to-high threshold
2.7
ERROR AMPLIFIER
Input Offset Voltage
Gain
Input Voltage Range
Common-Mode Rejection Ratio
V
OS
A
V, IN
V
CM
CMRR
V
CM
= 1.5 V
50
20
250
μ
V
V/V
V
dB
dB
G
MHz
0.2
58
55
2.0
0.2 V < V
CM
< 2.0 V
–
40
°
C
≤
T
A
≤
+85
°
C
68
Open-Loop Input Impedance
Gain-Bandwidth Product
R
IN
GBW
1
2
REFERENCE VOLTAGE
Reference Voltage
V
REF
I
REF
< 2 mA
2.37
2.47
2.57
V
OSCILLATOR
Synchronization Range
Oscillator Frequency
f
CLK
f
CLK
Pin 25 connected to external clock
Pin 24 = V
DD
; (R = 150 k
;
Pin 25 = GND)
200
800
1,000
1,250
kHz
kHz
1,000
LOGIC CONTROL
*
Logic Low Input Threshold
Logic High Input Threshold
Logic Low Output Level
Logic High Output Threshold
0.2
V
V
V
V
3
0.2
V
DD
–
0.2
*
Logic inputs meet typical CMOS I/O conditions for source/sink current (~1
μ
A).
Specifications subject to change without notice.
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