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3.3V/5V 800MHz PRECISION PECL AMPLIFIER WITH LOW GAIN FEEDBACK
FEATURES
s 3.3V and 5V 10% power supply options s Guaranteed AC parameters over temperature: * fMAX = 800MHz * < 200ps differential propagation delay (D to QFB) * < 730ps differential propagation delay (D to QHG) * < 250ps tr / tf Low gain feedback path QFB = +10V/V Output enable VBB reference output voltage Wide temperature range: -40C to +85C x Available in 10-pin (3x3mm) MSOP
SY100EL16VO FINAL
DESCRIPTION
The SY100EL16VO is a differential receiver amplifier optimized for crystal oscillator applications. The device includes an additional low gain (+10V/V) output stage (QFB) ideal for feedback applications common in crystal oscillator gain blocks. The SY100EL16VO is fully differential, with a bandwidth > 800MHz over temperature and voltage. For applications that require output disable control, an Enable pin (/EN) will force the differential output into a fixed logic state. The SY100EL16VO also includes a VBB reference voltage for single-ended or AC-coupled applications. The SY100EL16VO PECL logic is 100k ECL compatible. Operation is guaranteed over the -40C to +85C temperature range and 3.3V to 5V nominal supply voltage range.
s s s s s
PIN CONFIGURATION
TRUTH TABLE
/EN QHG Out Data Logic Low /QHG Out /Data Logic High
QFB 1 /QFB 2 D3 /D 4 VBB 5
10 VCC 9 QHG 8 /QHG 7 VEE 6 /EN
0 1
PIN NAMES
Pin QFB, /QFB D, /D Function Differential clock outputs for feedback path: Nominal DC gain +10. PECL, LVPECL, ECL, LVECL differential inputs: Internal 75k pull-down resistor. VCC -1.32V reference voltage for single-ended inputs: It provides the switching reference for the input differential amplifier. When unused, it can be left open. For single-ended PECL applications connect VBB to /D input, and bypass with a 0.01F capacitor to VCC. Enable: PECL compatible input control with internal 75k pull-down resistor. It controls the high-gain output (QHG). When HIGH, QHG is low and /QHG is high. /EN is synchronous so that the outputs will only be enabled/disabled when they are in the LOW state. Negative power supply: For ECL/LVECL operation, connect to negative supply. For PECL/ LVPECL operation, connect to GND.
BLOCK DIAGRAM
VBB
QFB /QFB D /D VBB LEN /EN Q
VCC
/EN
QHG /QHG
VEE
LATCH D
VEE
QHG, /QHG Differential high-gain outputs: Nominal DC gain is greater than +200. VCC Positive power supply: For ECL/LVECL operation, connect to VCC = 0V. For PECL/ LVPECL operation, connect to either 3.3V or 5.0V. Bypass with 0.1F// 0.01F low ESR capacitors.
Rev.: C
Amendment: /0
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Issue Date: February 2003
Micrel
SY100EL16VO
ABSOLUTE MAXIMUM RATINGS(1)
Symbol VCC - VEE VIN VOUT IOUT TA Tstore JA JC Power Supply Voltage PECL Input Voltage Voltage Applied to Output at High State (VEE = 0V) Output Current Operating Temperature Range Storage Temperature Range Package Thermal Resistance (Junction-to-Ambient) Package Thermal Resistance (Junction-to-Case) -Still-Air -500lfpm -Continuous -Surge Rating Value +6.0 0 to VCC +0.5 -0.5 to +5.5 50 100 -40 to +85 -65 to +150 113 96 42 Unit V V V mA C C C/W C/W
NOTE: 1. Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded. This is a stress rating only and functional operation is not implied at conditions other than those detailed in the operational sections of this data sheet. Exposure to ABSOLUTE MAXIMUM RATlNG conditions for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
TA = -40C Symbol VCC Parameter Power Supply Voltage (PECL) (LVPECL) (ECL) (LVECL) ICC VBB IIH IIL CIN Power Supply Current Reference Voltage Input HIGH Current Input LOW Current Input Capacitance Min. 4.5 3.0 -5.5 -3.8 -- Typ. 5.0 3.3 -5.0 -3.3 -- Max. 5.5 3.8 -4.5 -3.0 46 Min. 4.5 3.0 -5.5 -3.8 -- TA = +25C Typ. 5.0 3.3 -5.0 -3.3 -- Max. 5.5 3.8 -4.5 -3.0 46 Min. 4.5 3.0 -5.5 -3.8 -- TA = +85C Typ. 5.0 3.3 -5.0 -3.3 -- Max. 5.5 3.8 -4.5 -3.0 46 V mA V A A pF
VIN = VIH(Max) VIN = VIL(Min)
Unit V
Condition VEE = GND
VCC = GND VCC = 5.5V
VCC-1.26 VCC-1.32 VCC-1.38 VCC-1.26 VCC-1.32 VCC-1.38 VCC-1.26 VCC-1.32 VCC-1.38
-- 0.5 --
-- -- --
150 -- --
-- 0.5 --
-- -- 0.75
150 -- --
-- 0.5 --
-- -- --
150 -- --
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Micrel
SY100EL16VO
100K 5V PECL DC ELECTRICAL CHARACTERISTICS
VCC = 5.0V 10%; VEE = GND
TA = -40C Symbol VOH VOL VIH VIL VIHCMR Parameter Output High Output Low Input HIGH Input LOW Voltage(1) Voltage(1) Voltage(1) Voltage(1) Voltage(2) Min. 3.915 3.170 3.835 3.525 2.0 Typ. 4.005 3.305 -- -- -- Max. 4.120 3.445 4.120 3.819 VCC-0.8 Min. 3.975 3.190 3.835 3.525 2.0 TA = +25C Typ. 4.005 3.295 -- -- -- Max. 4.12 3.380 4.120 3.819 VCC-0.8 Min. 3.975 3.190 3.835 3.525 2.0 TA = +85C Typ. 4.005 3.295 -- -- -- Max. 4.12 3.380 4.120 3.819 VCC-0.8 Unit V V V V V Condition 50 to VCC -2V 50 to VCC -2V
Input High Common Mode Range
NOTES: 1. Input and output parameters are at VCC = +5.0V. Level specifications will vary 1:1 with VCC. 2. VIHCMR is referenced to the most positive side of the differential input signal.
100K 3V PECL DC ELECTRICAL CHARACTERISTICS
VCC = 3.3V 10%; VEE = GND
TA = -40C Symbol VOH VOL VIH VIL VIHCMR Parameter Output High Output Low Input HIGH Input LOW Voltage(1) Voltage(1) Voltage(1) Voltage(1) Voltage(2) Min. 2.215 1.470 2.135 1.490 2.0 Typ. -- -- -- -- -- Max. 2.42 1.745 2.420 1.825 VCC-0.8 Min. 2.275 1.490 2.135 1.490 2.0 TA = +25C Typ. 2.305 1.595 -- -- -- Max. 2.42 1.680 2.420 1.825 VCC-0.8 Min. 2.275 1.490 2.135 1.490 2.0 TA = +85C Typ. 2.305 1.595 -- -- -- Max. 2.42 1.680 2.420 1.825 VCC-0.8 Unit V V V V V Condition 50 to VCC -2V 50 to VCC -2V
Input High Common Mode Range
NOTES: 1. Input and output parameters are at VCC = +3.3V. Level specifications will vary 1:1 with VCC. 2. VIHCMR is referenced to the most positive side of the differential input signal.
100K ECL/LVECL DC ELECTRICAL CHARACTERISTICS
VEE = -3.0V to -5.5V; VCC = GND
TA = -40C Symbol VOH VOL VIH VIL VIHCMR Parameter Output High Voltage Output Low Voltage Input HIGH Voltage Input LOW Voltage Min. Typ. Max. TA = +25C Min. Typ. Max. Min. TA = +85C Typ. Max. Unit V V V V V Condition 50 to VCC -2V 50 to VCC -2V
-1.085 -1.005 -0.880 -1.025 -0.955 -0.880 -1.025 -0.955 -0.880 -1.830 -1.695 -1.555 -1.810 -1.705 -1.620 -1.810 -1.705 -1.620 -1.165 -1.181 -- -- -- -0.880 -1.165 -1.475 -1.181 -0.8 VEE+2.0 -- -- -- -0.880 -1.165 -1.475 -1.181 -0.8 VEE+2.0 -- -- -- -0.880 -1.475 -0.8
Input High Voltage VEE+2.0 Common Mode Range(1)
NOTE: 1. VIHCMR is referenced to the most positive side of the differential input signal.
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Micrel
SY100EL16VO
AC ELECTRICAL CHARACTERISTICS
VCC = 3.0 to 5.5V; VEE = GND; VEE = -3.0 to -5.5V; VCC = GND
TA = -40C Symbol fMAX tPLH tPHL Parameter Maximum Frequency Propagation Delay to QFB, /QFB to QHG, /QHG tS tH tJITTER tSKEW VPP tr tf Set-Up Time(1) Hold Time(1) Cycle-to-Cycle Jiiter Duty Cycle Skew(2) Minimum Input Swing(3) Output Rise/Fall Times (20% to 80%) (Diff.) (Single) (Diff.) (Single) Min. 800 -- -- -- -- 150 150 -- -- 150 -- Typ. -- -- -- -- -- -- -- 0.2 5 -- -- Max. -- 200 230 650 700 -- -- -- 20 -- 250 Min. 800 -- -- -- -- 150 150 -- -- 150 -- TA = +25C Typ. -- -- -- -- -- -- -- 0.2 5 -- -- Max. -- 200 230 650 700 -- -- -- 20 -- 250 Min. 800 -- -- -- -- 150 150 -- -- 150 -- TA = +85C Typ. -- -- -- -- -- -- -- 0.2 5 -- -- Max. -- 200 230 730 780 -- -- -- 20 -- 250 Unit MHz ps ps ps ps ps ps ps ps mV ps Enable Pin Enable Pin RMS Condition
NOTES: 1. See "Timing Waveform." 2. Duty cycle skew is the difference between tPLH and tPHL propagation delay through the device. 3. The device has a DC gain of 10 for Q, /Q outputs, and DC gain of 200 or higher for QHG, /QHG. See "Timing Waveform" minimum input swing.
TIMING WAVEFORMS
D 150mV /D
Figure 1. Minimum Input Swing
D t /EN
S
t
H
Q
FB
Q
HG
Figure 2. Set-Up and Hold Timing
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Micrel
SY100EL16VO
TERMINATION RECOMMENDATIONS
+3.3V
+3.3V
ZO = 50 ZO = 50
R1 130
R1 130
+3.3V
R2 82
R2 82
Vt = VCC-2V
Figure 3. Parallel Termination-Thevenin Equivalent NOTES: 1. For +5V systems: R1 = 82 R2 = 130
+3.3V
Z = 50 Z = 50 50 50
Rb*
+3.3V
source 46 to 49
destination C1 0.01F (optional)
* For +5V, Rb = 110 For +3.3V, Rb = 46 to 49
Figure 4. Three-Resistor "Y-Termination" NOTES: 1. Power-saving alternative to 4-resistor, Thevenin termination. 2. Place termination resistors as close to destination inputs as possible. 3. Rb resistor sets the DC bias voltage, equal to Vt. For +5V, Rb = 100
PRODUCT ORDERING CODE
Ordering Code SY100EL16VOKC SY100EL16VOKCTR*
*Tape and Reel Note 1. Recommended for new designs.
Package Type K10-1 K10-1
Operating Range Commercial Commercial
Marking Code X16VO X16VO
Ordering Code SY100EL16VOKI(1) SY100EL16VOKITR*(1)
Package Type K10-1 K10-1
Operating Range Industrial Industrial
Marking Code X16VO X16VO
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Micrel
SY100EL16VO
10 LEAD MSOP (K10-1)
Rev. 00
MICREL, INC.
TEL
1849 FORTUNE DRIVE SAN JOSE, CA 95131
FAX
USA
+ 1 (408) 944-0800
+ 1 (408) 944-0970
WEB
http://www.micrel.com
The information furnished by Micrel in this datasheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer. Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser's use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser's own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. (c) 2003 Micrel, Incorporated.
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