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SA5225 Datasheet(PDF) 4 Page - NXP Semiconductors

Part # SA5225
Description  Fiber optic postamplifier
PDF  10 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

SA5225 Datasheet(HTML) 4 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
SA5225
Fiber optic postamplifier
1998 Oct 07
4
DC ELECTRICAL CHARACTERISTICS
Min and Max limits apply over operating temperature at VCC = 5V ±10%, unless otherwise specified.
Typical data apply at TA = 25°C and VCC = +5V.
SYMBOL
PARAMETER
TEST CONDITIONS
SA5225
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
Min
Typ
Max
UNIT
VIN
Input signal voltage
single-ended
differential
0.002
0.004
1.5
3.0
VP-P
VOS
Input offset voltage2
50
µV
VN
Input RMS noise2
60
µV
VTH
Input level-detect programmability single-en-
ded
VIN = 200kHz square wave
2
12
mVP-P
VHYS
Level-detect hysteresis3
2
3
4
dB
ICC
VCCA + VCCE supply current
No ECL loading
27
35
mA
IINL
JAM input current
Pin 8 = 0V
–10
10
µA
VIH
Minimum input for JAM = high1
–1.165
VDC
VIL
Maximum input for JAM = low1
–1.490
VDC
VOH4
Status pins
–1.0
–0.81
VDC
VOL4
Status pins
–1.95
–1.63
VDC
NOTES:
1. These ECL specifications are referenced to the VCCE rail and apply for TA = 0°C to 85°C.
2. Guaranteed by design.
3. Also see the SA5224 which has 5dB
±1dB hysteresis for FDDI compatibility.
4. Valid for Status pins only (#9, 10).
Table 1.
10K ECL Voltage Levels (referenced to VCCE) (Pins 12 & 13 only)
PARAMETER
–30
°C
0
°C
25
°C
75
°C
85
°C
UNIT
VOHMAX
–0.890
–0.840
–0.810
–0.735
–0.700
VDC
VOHMIN
–1.060
–1.020
–0.980
–0.920
–0.890
VDC
VOLMAX
–1.650
–1.630
–1.630
–1.600
–1.615
VDC
VOLMIN
–1.890
–1.950
–1.950
–1.950
–1.920
VDC
AC ELECTRICAL CHARACTERISTICS
Min and Max limits apply for 4.5
≤ VCC ≤ 5.5V.
Typical data apply at TA = 25°C and VCC = +5V.
SYMBOL
PARAMETER
TEST CONDITIONS
SA5225
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
Min
Typ
Max
UNIT
BW1
Lower –3dB bandwidth
CAZ = 0.1µF
0.5
1.0
1.5
kHz
BW2
Upper –3dB bandwidth
90
120
150
MHz
RIN
Input resistance
Pin 4 or 5
2.9
4.5
7.6
k
Ω
CIN
Input capacitance
Pin 4 or 5
2.5
pF
tr, tf
ECL output1
risetime,
falltime
RL = 50Ω
To VCCE – 2V
20–80%
1.2
2.2
ns
tPWD
Pulsewidth distortion
0.3
nsP-P
RAZ
Auto zero output resistance
Pin 1 or 2
155
250
423
k
Ω
RF
Level-detect filter resistance
Pin 7
14
24
41
k
Ω
tLD
Level-detect time constant
CF = 0
0.5
1.0
2.0
µs
NOTE:
1. Both outputs should be terminated identically to minimize differential feedback to the device inputs on a PC board or substrate.



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